[et_pb_section fb_built=”1″ admin_label=”Features” _builder_version=”4.27.4″ _module_preset=”default” background_color=”#f7f7f7″ locked=”off” collapsed=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”6c653385-9c8e-4ced-a0fc-111872f489af” header_font=”Roboto|700|||||||” header_text_align=”center” header_text_color=”#000000″ header_font_size=”48px” header_2_text_color=”#000000″ header_3_text_color=”#000000″ text_orientation=”center” max_width=”700px” module_alignment=”left” custom_margin=”||12px||false|false” custom_padding=”||0px||false|false” header_font_tablet=”Roboto|700|||||||” header_font_phone=”Roboto|700|||||||” header_font_last_edited=”on|desktop” header_font_size_tablet=”” header_font_size_phone=”28px” header_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n
[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n
[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n
When an electrical connection is not feasible or reasonable, the choice of the right solution has a significant impact on the overall cost and comfort of use. The cost of electricity for a cottage depends on the system chosen and the operating conditions. In this comparison you will see the most common options and their actual cost differences. <\/p>\n
See a 10-year cost comparison<\/a><\/p>\n [\/et_pb_text][et_pb_button button_url=”https:\/\/wattium.fi\/en\/contact-2\/” button_text=”Contact us – to discuss your needs” button_alignment=”left” disabled_on=”off|off|off” admin_label=”Osta nyt” _builder_version=”4.27.4″ _module_preset=”9b5b3128-9c50-4e35-b070-aa34caae5fea” button_text_size=”17px” button_text_color=”#FFFFFF” button_border_color=”#7CDA24″ button_border_radius=”30px” custom_margin=”5px||||false|false” custom_padding=”11px|42px|14px|26px|false|false” button_text_size_tablet=”17px” button_text_size_phone=”11px” button_text_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#FFFFFF” custom_padding=”30px||30px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font_size=”17px” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n When an electrical connection is not practical, there are several ways to implement electricity in the cottage. The options differ in terms of investment, running costs, comfort of use and winter functionality. <\/p>\n Below are the most common solutions that cottage owners compare before making a decision.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” _builder_version=”4.27.4″ _module_preset=”default” background_color=”#ffffff” width=”90%” module_alignment=”center” min_height=”253px” custom_margin=”0px|-1px|16px|auto|false|false” custom_padding=”|22px||22px|true|true” border_radii=”on|12px|12px|12px|12px” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” text_line_height=”1.4em” header_text_color=”#0C71C3″ header_font_size=”46px” header_2_text_color=”#0C71C3″ header_2_font_size=”46px” header_3_text_color=”#000000″ 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header_3_text_color=”#000000″ header_3_font_size=”26px” header_4_font=”Lato|700|||||||” header_4_text_color=”#000000″ header_4_font_size=”17px” header_5_text_color=”#E02B20″ max_width=”400px” module_alignment=”center” min_height=”468px” min_height_tablet=”468px” min_height_phone=”468px” min_height_last_edited=”on|desktop” custom_margin=”|0px|15px|0px|false|false” custom_padding=”8px|10px|8px|10px|true|false” border_radii=”on|8px|8px|8px|8px” border_width_all=”4px” border_color_all=”#E6E6E6″ box_shadow_style=”preset1″ box_shadow_blur=”13px” box_shadow_spread=”-6px” box_shadow_color=”#000000″ global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” text_line_height=”1.4em” header_text_color=”#0C71C3″ header_font_size=”46px” header_2_text_color=”#0C71C3″ header_2_font_size=”46px” header_3_text_color=”#000000″ header_3_font_size=”26px” header_4_font=”Lato|700|||||||” header_4_text_color=”#000000″ header_4_font_size=”17px” header_5_text_color=”#E02B20″ max_width=”400px” module_alignment=”center” min_height=”468px” min_height_tablet=”468px” min_height_phone=”468px” min_height_last_edited=”on|desktop” custom_margin=”|0px|15px|0px|false|false” custom_padding=”8px|10px|8px|10px|true|false” hover_enabled=”0″ border_radii=”on|8px|8px|8px|8px” border_width_all=”4px” border_color_all=”#E6E6E6″ box_shadow_style=”preset1″ box_shadow_blur=”13px” box_shadow_spread=”-6px” box_shadow_color=”#000000″ global_colors_info=”{}” sticky_enabled=”0″ background_color=”rgba(136,196,221,0.19)”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” _builder_version=”4.27.4″ _module_preset=”default” background_color=”#ffffff” width=”90%” module_alignment=”center” custom_margin=”0px|769px|16px|auto|false|false” custom_padding=”|22px||22px|true|true” border_radii=”on|12px|12px|12px|12px” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” text_line_height=”1.4em” header_text_color=”#0C71C3″ header_font_size=”46px” header_2_text_color=”#0C71C3″ header_2_font_size=”46px” header_3_text_color=”#000000″ header_3_font_size=”26px” header_4_font=”Lato|700|||||||” header_4_text_color=”#000000″ header_4_font_size=”17px” header_5_text_color=”#E02B20″ max_width=”400px” module_alignment=”center” min_height=”468px” min_height_tablet=”468px” min_height_phone=”468px” min_height_last_edited=”on|desktop” custom_margin=”|0px|15px|0px|false|false” custom_padding=”8px|10px|8px|10px|true|false” border_radii=”on|8px|8px|8px|8px” border_width_all=”4px” border_color_all=”#E6E6E6″ box_shadow_style=”preset1″ box_shadow_blur=”13px” box_shadow_spread=”-6px” box_shadow_color=”#000000″ global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” text_line_height=”1.4em” header_text_color=”#0C71C3″ header_font_size=”46px” header_2_text_color=”#0C71C3″ header_2_font_size=”46px” header_3_text_color=”#000000″ header_3_font_size=”26px” header_4_font=”Lato|700|||||||” header_4_text_color=”#000000″ header_4_font_size=”17px” header_5_text_color=”#E02B20″ max_width=”400px” module_alignment=”center” min_height=”468px” min_height_tablet=”468px” min_height_phone=”468px” min_height_last_edited=”on|desktop” custom_margin=”|0px|15px|0px|false|false” custom_padding=”8px|10px|8px|10px|true|false” border_radii=”on|8px|8px|8px|8px” border_width_all=”4px” border_color_all=”#E6E6E6″ box_shadow_style=”preset1″ box_shadow_blur=”13px” box_shadow_spread=”-6px” box_shadow_color=”#000000″ global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” text_line_height=”1.4em” header_text_color=”#0C71C3″ header_font_size=”46px” header_2_text_color=”#0C71C3″ header_2_font_size=”46px” header_3_text_color=”#000000″ header_3_font_size=”26px” header_4_font=”Lato|700|||||||” header_4_text_color=”#000000″ header_4_font_size=”17px” header_5_text_color=”#E02B20″ max_width=”400px” module_alignment=”center” min_height=”468px” min_height_tablet=”468px” min_height_phone=”468px” min_height_last_edited=”on|desktop” custom_margin=”|0px|15px|0px|false|false” custom_padding=”8px|10px|8px|10px|true|false” border_radii=”on|8px|8px|8px|8px” border_width_all=”4px” border_color_all=”#E6E6E6″ box_shadow_style=”preset1″ box_shadow_blur=”13px” box_shadow_spread=”-6px” box_shadow_color=”#000000″ global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” background_color=”#f7f7f7″ custom_margin=”|||0px|false|false” custom_padding=”16px|20px|16px|20px|true|true” global_colors_info=”{}”]<\/p>\n In this comparison, we will look at solutions that allow the cottage to run on normal 230 V electricity reliably in the longer term. These include: <\/p>\n Portable power banks and small consumer-level packs may be suitable for temporary use, but are not usually sized for continuous power supply to a cottage.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#f7f7f7″ global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n When you are building or renovating outside the grid, the electricity company’s offer for connection can be prohibitive: \u20ac15 000, \u20ac25 000 or much more. But that’s just the beginning. An electricity connection is like a perpetual subscription<\/b> that you can’t get rid of even when the cottage is empty. <\/p>\n Wattium offers an integrated option that enables energy independence without the fixed costs of an electricity connection.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” link_option_url=”%91table id=1 \/%93″ global_colors_info=”{}”]<\/p>\n\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n The comparisons and cost estimates presented on this page are based on typical cottage use and Wattium’s technical assessment and experience with similar systems. Actual performance, energy balance and cost will depend on site location, usage profile, weather conditions and system sizing. <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” custom_padding_tablet=”|17px|||false|false” custom_padding_phone=”22px||||false|false” custom_padding_last_edited=”on|desktop” global_colors_info=”{}”]<\/p>\n Modular approach:<\/strong> a system assembled from separate components can be flexible, but requires technical expertise and time.<\/p>\n A modular system consists of several separate devices, such as an inverter, control unit, metering and separate wiring. This increases the complexity of commissioning and often requires more maintenance. In case of failure, the user is responsible for diagnosing and managing the system. <\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” custom_padding_tablet=”|17px|||false|false” custom_padding_phone=”22px||||false|false” custom_padding_last_edited=”on|desktop” global_colors_info=”{}”]<\/p>\n In winter, solar energy is often limited. If the battery requires heating before charging, the energy from the panels is used for heating rather than storage. In this case, charging will be limited and aggregate use will increase significantly during cold periods. <\/p>\n Industrial-grade cells designed for cold operation allow charging even at very low temperatures. The battery technology used by Wattium is designed to operate in charging conditions down to -45\u00b0C, improving system performance in winter. <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#FFFFFF” custom_padding=”5px||5px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n The electrical system you choose will affect the usability of your cottage every day – even when you’re not there. The system must work reliably without constant adjustment, technical maintenance or special skills. <\/p>\n Wattium offers an integrated solution designed to make operation and monitoring simple and easy.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” link_option_url=”%91table id=1 \/%93″ global_colors_info=”{}”]<\/p>\n\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” global_colors_info=”{}”]<\/p>\n Electricity production and consumption fluctuate, especially in winter. Being able to monitor the status of the system remotely makes it easier to manage energy use and reduces uncertainty. <\/p>\n With a predictable system and easy access to backup power, the cottage electricity will work reliably even during periods of low solar output.<\/p>\n <\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” global_colors_info=”{}”]<\/p>\n Modular systems offer a wide range of control options, but often require technical expertise and knowledge of the system on the part of the user.<\/p>\n The VRM portal is a powerful tool, but requires proper configuration and understanding of how the system works:<\/p>\n A modular system is ideal for users who want to manage and adjust the system themselves. The integrated system offers pre-optimised monitoring and control. <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#f7f7f7″ global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n Replacement vs. lifetime:<\/strong> low-cost systems often have a limited lifetime, and the battery may need to be replaced every few years. Industrial-grade batteries and integrated systems are designed for long-term use, reducing the need for replacement and the overall cost in the long run. <\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” link_option_url=”%91table id=1 \/%93″ global_colors_info=”{}”]<\/p>\n\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” global_colors_info=”{}”]<\/p>\n The battery is the central and most consumable part of the system. Its quality and operating conditions directly affect the lifetime and reliability of the system. <\/p>\n – Lead-acid batteries (AGM\/Gel):<\/strong> cheap to buy, but limited life and cycle length. Capacity deteriorates rapidly, especially in deep discharge. <\/p>\n – Low cost lithium batteries (LFP):<\/strong> many consumer batteries will not accept charging in sub-zero temperatures without heating. In winter, part of the energy is used to heat the battery before charging. <\/p>\n<\/li>\n<\/ul>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” global_colors_info=”{}”]<\/p>\n Industrial-grade batteries are designed to operate in demanding conditions, including low temperatures and continuous use.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#FFFFFF” custom_padding=”5px||5px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n The figures are based on typical cottage use and an example system. Actual costs depend on consumption, location and sizing. <\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#000000″ text_font_size=”17px” header_2_font=”Open Sans|300|||||||” header_2_text_color=”#FFFFFF” header_3_text_color=”#000000″ header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#FFFFFF” header_4_font_size=”14px” background_layout=”dark” custom_margin=”|100px|-2px||false|false” custom_margin_tablet=”|100px|||false|false” custom_margin_phone=”|10px|||false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px|||” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n Cost structure of the example scheme<\/strong><\/p>\n An example of an integrated system including energy storage, solar panels and backup power:<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” header_3_font=”Lato||||||||” global_colors_info=”{}”]<\/p>\n This is how we compared:<\/b> to make the comparison as realistic as possible, we do not compare Wattium to just loose components or “sub-boxes”. The Victron system’s price estimate includes a comparable level of professional integration, security solutions, <\/b>electrical design and installation. This ensures that we are comparing two electrification solutions that meet security requirements and are ready to use. <\/em><\/p>\n [\/et_pb_text][et_pb_text module_id=”kustannustaulukko” _builder_version=”4.27.4″ _module_preset=”default” link_option_url=”%91table id=1 \/%93″ global_colors_info=”{}”]<\/p>\n\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” header_3_font=”Lato||||||||” global_colors_info=”{}”]<\/p>\n The exact cost depends on the amount of use, location and sizing of the system.<\/strong><\/p>\n The specific use of the aggregate is determined by:<\/p>\n [\/et_pb_text][et_pb_toggle title=”Summer cottage use (around 600 kWh\/year) – cost example without significant winter use” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n\n [\/et_pb_toggle][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” custom_padding_tablet=”|17px|||false|false” custom_padding_phone=”22px||||false|false” custom_padding_last_edited=”on|desktop” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n This increases the need for aggregate use, especially in the winter season.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_font_size=”17px” custom_padding=”|17px|||false|false” custom_padding_tablet=”|17px|||false|false” custom_padding_phone=”22px||||false|false” custom_padding_last_edited=”on|desktop” custom_css_main_element=”margin:auto;” global_colors_info=”{}”]<\/p>\n A cheaper system is possible, but requires more technical expertise and responsibility from the user.<\/p>\n This approach is suitable for a user with the technical skills and willingness to maintain the system themselves.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#E02B20″ use_background_color_gradient=”on” background_color_gradient_direction=”270deg” custom_padding=”6px||6px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Miksi valita Wattium?” _builder_version=”4.27.4″ _module_preset=”0afea3b8-b43a-416d-8649-55a1ccf58b49″ header_text_color=”#000000″ header_2_font=”Roboto|300|||||||” header_2_text_color=”#FFFFFF” header_4_font=”Roboto Mono|700||on|||||” header_4_text_color=”#000000″ header_4_font_size=”14px” header_2_font_size_tablet=”” header_2_font_size_phone=”30px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Lato||||||||” text_text_color=”#FFFFFF” text_font_size=”17px” global_colors_info=”{}”]<\/p>\n For most sites, Wattium is the cheapest and easiest option in the long run – Think about your cottage: 3 questions<\/strong> [\/et_pb_text][et_pb_button button_url=”https:\/\/wattium.fi\/en\/contact-2\/” button_text=”Contact us – let's start mapping” disabled_on=”off|off|off” admin_label=”Osta nyt” _builder_version=”4.27.4″ _module_preset=”9b5b3128-9c50-4e35-b070-aa34caae5fea” button_text_size=”17px” button_text_color=”#FFFFFF” button_border_color=”#7CDA24″ button_border_radius=”30px” custom_margin=”23px||||false|false” custom_padding=”14px|42px|14px|26px|true|false” locked=”off” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Footer” _builder_version=”4.27.4″ _module_preset=”default” background_color=”#FFFFFF” background_image=”https:\/\/wattium.fi\/wp-content\/uploads\/2025\/04\/augmented-reality-2.jpg” background_enable_image=”off” min_height=”165px” custom_padding=”0vw||0vw||true|false” global_module=”3117″ saved_tabs=”all” locked=”off” collapsed=”off” global_colors_info=”{}”][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ _builder_version=”4.27.4″ _module_preset=”default” width_tablet=”” width_phone=”” width_last_edited=”on|phone” max_width_tablet=”” max_width_phone=”75%” max_width_last_edited=”on|phone” global_colors_info=”{}”][et_pb_column type=”1_4″ _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/wattium.fi\/wp-content\/uploads\/2025\/04\/Wattium-Oy-logo.png” alt=”Logo: Wattium” title_text=”Wattium-Oy logo” _builder_version=”4.27.4″ _module_preset=”default” width=”68%” max_width_tablet=”” max_width_phone=”77%” max_width_last_edited=”on|phone” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.22.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”Roboto Mono|700|||||||” text_text_color=”#3f3f3f” link_text_color=”#000000″ custom_margin=”|-42px|10px|-42px|false|true” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n \u00a9 2026 Wattium Oy (2941786-2)<\/span><\/p>\n All rights reserved.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Yhteystiedot” _builder_version=”4.27.4″ _module_preset=”9075baef-de24-4219-ada1-5cb087d8f548″ text_font=”Roboto Mono|700|||||||” text_text_color=”#3f3f3f” link_text_color=”#000000″ custom_margin=”||10px||false|false” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n<\/ul>\n
What options are usually considered?<\/h2>\n
\u26a1<\/h2>\n
Electricity connection<\/h3>\n
“A traditional solution, but only if the transformer is nearby.”<\/strong><\/h4>\n
\n
\ud83d\udd27<\/h2>\n
Victron modular systems<\/h3>\n
“High quality, but technical and complex.”<\/h4>\n
\n
\u2b50<\/h2>\n
Wattium<\/h3>\n
“Industrial-grade performance, ease of use and winter durability.”<\/h4>\n
\n
\ud83d\udd0b<\/h2>\n
Battery + panels + aggregate<\/h3>\n
“A simple, basic solution that only works for light use.”<\/h4>\n
\n
\ud83d\udd0c<\/h2>\n
Bluetti-type power banks<\/h3>\n
“Good back-up power sources, but not a substitute for the electricity system.”<\/h4>\n
\n
\ud83d\udcb8<\/h2>\n
Cheap off-grid packages<\/h3>\n
“Low-powered, often Chinese units.”<\/h4>\n
\n
In this comparison, we focus on four typical options<\/h3>\n
\n
Investment<\/h2>\n
\n\n
\n\t \nOminaisuus<\/th> Wattium (Teollisuuslaatu)<\/th> Modulaarinen (Victron DIY)<\/th> Halpis-j\u00e4rjestelm\u00e4<\/th> S\u00e4hk\u00f6liittym\u00e4<\/th>\n<\/tr>\n<\/thead>\n \n\t Hankintahinta<\/td> Kohtalainen<\/td> Kohtalainen (osina) \/ Korkea<\/td> Eritt\u00e4in halpa \/ Halpa<\/td> Korkea (15k\u20ac \u2013 40k\u20ac+)<\/td>\n<\/tr>\n \n\t Asennus ja k\u00e4ytt\u00f6\u00f6notto<\/td> Plug & Play \/ Nopein<\/td> Vaativa ja hidas (useita laitteita)<\/td> Itse asennettava<\/td> Ammattilaisty\u00f6 (kaivuut jne.)<\/td>\n<\/tr>\n \n\t Kiinte\u00e4t kuukausimaksut<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 50 \u20ac \u2013 150 \u20ac \/ kk<\/td>\n<\/tr>\n \n\t S\u00e4hk\u00f6n hinta ja verot<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> Markkinahinta + siirto<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n Don’t pay for the hobby, pay for the electricity<\/h3>\n
Finnish winter knows no mercy<\/h3>\n
Ease of use and maintenance<\/h2>\n
\n\n
\n\t \nOminaisuus<\/th> Wattium (Teollisuuslaatu)<\/th> Modulaarinen (Victron DIY)<\/th> Halpis-j\u00e4rjestelm\u00e4<\/th> S\u00e4hk\u00f6liittym\u00e4<\/th>\n<\/tr>\n<\/thead>\n \n\t K\u00e4ytt\u00f6liittym\u00e4<\/td> Intuitiivinen mobiilin\u00e4ytt\u00f6<\/td> VRM portaali, tekninen ja monimutkainen<\/td> Puuttuu tai heikko<\/td> Mittarilukema<\/td>\n<\/tr>\n \n\t Ohjelmisto-osaaminen<\/td> Ei vaadita (valmiiksi optimoitu)<\/td> Vaaditaan (konfigurointi)<\/td> Ei mahdollista<\/td> Ei vaadita<\/td>\n<\/tr>\n \n\t Et\u00e4seuranta<\/td> Vakiona (t\u00e4ysi et\u00e4seuranta)<\/td> Erillinen moduuli (Cerbo GX)<\/td> Ei saatavilla<\/td> Vain kulutusdata<\/td>\n<\/tr>\n \n\t Huollon tarve<\/td> Minimaalinen<\/td> S\u00e4\u00e4nn\u00f6llinen (p\u00e4ivitykset)<\/td> Korkea (osien uusinta)<\/td> S\u00e4hk\u00f6yhti\u00f6 hoitaa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n What brings convenience to your daily use?<\/h3>\n
Two perspectives on remote monitoring:<\/h3>\n
\n
Technology and durability<\/h2>\n
\n\n
\n\t \nOminaisuus<\/th> Wattium (Teollisuuslaatu)<\/th> Modulaarinen (Victron DIY)<\/th> Halpis-j\u00e4rjestelm\u00e4<\/th> S\u00e4hk\u00f6liittym\u00e4<\/th>\n<\/tr>\n<\/thead>\n \n\t Akuston elinik\u00e4 (syklit)<\/td> 10\u201320 vuotta (LFP)<\/td> 5\u201315 vuotta (riippuen osista)<\/td> 2\u20134 vuotta (Lyijy\/Halpa LFP)<\/td> \u2013<\/td>\n<\/tr>\n \n\t Lataus pakkasella (<0\u00b0C)<\/td> Mahdollinen (kylm\u00e4k\u00e4ytt\u00f6\u00f6n suunniteltu)<\/td> Vaatii erillisen rakentamisen<\/td> Ei lataa ollenkaan<\/td> \u2013<\/td>\n<\/tr>\n \n\t J\u00e4rjestelm\u00e4n rakenne<\/td> Integroitu ja testattu<\/td> Useista erillisist\u00e4 komponenteista koostuva<\/td> Heikkolaatuiset osat<\/td> Kiinte\u00e4 verkko<\/td>\n<\/tr>\n \n\t Kiinteist\u00f6n arvonnousu<\/td> Merkitt\u00e4v\u00e4<\/td> Kohtalainen<\/td> Heikko<\/td> Standardi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n Battery technology – why battery life matters<\/h3>\n
\n
Battery technology designed for cold use<\/h3>\n
\n
10-year cost comparison<\/h2>\n
\n
\n
\n\n
\n\t \nVaihtoehto<\/th> Wattium<\/th> Victron modulaarinen<\/th> Halpis-j\u00e4rjestelm\u00e4<\/th> S\u00e4hk\u00f6liittym\u00e4<\/th>\n<\/tr>\n<\/thead>\n \n\t Hankinta<\/td> 10 150 \u20ac<\/td> 16 500 \u20ac<\/td> 6 000 \u20ac<\/td> 25 000 \u20ac<\/td>\n<\/tr>\n \n\t Jatkuvat kulut 10 v<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 5 700 \u20ac<\/td>\n<\/tr>\n \n\t Vaihdot & huolto 10 v<\/td> 1 000 \u20ac<\/td> 3 800 \u20ac<\/td> 3 200 \u20ac<\/td> 500 \u20ac<\/td>\n<\/tr>\n \n\t Aggregaatin k\u00e4ytt\u00f6tarve talvella<\/td> harvoin<\/td> s\u00e4\u00e4nn\u00f6llisesti<\/td> usein<\/td> ei tarvetta<\/td>\n<\/tr>\n \n\t Polttoaine 10 v<\/td> 700 \u20ac (500\u20131200 \u20ac)<\/td> 4 500 \u20ac (3000\u20136000 \u20ac)<\/td> 2 500 \u20ac (1500\u20133500 \u20ac)<\/td> 0 \u20ac<\/td>\n<\/tr>\n \n\t 10 v yhteens\u00e4<\/td> 11 850 \u20ac<\/td> 24 800 \u20ac<\/td> 11 700 \u20ac<\/td> 31 200 \u20ac<\/td>\n<\/tr>\n \n\t \u20ac\/kk<\/td> 99 \u20ac<\/td> 207 \u20ac<\/td> 98 \u20ac<\/td> 260 \u20ac<\/td>\n<\/tr>\n \n\t <\/td> <\/td> <\/td> <\/td> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n \n
\n\n
\n\t \nVaihtoehto<\/th> Wattium<\/th> Victron modulaarinen<\/th> Halpis-j\u00e4rjestelm\u00e4<\/th> S\u00e4hk\u00f6liittym\u00e4<\/th>\n<\/tr>\n<\/thead>\n \n\t Hankinta<\/td> 10 150 \u20ac<\/td> 16 500 \u20ac<\/td> 6 000 \u20ac<\/td> 25 000 \u20ac<\/td>\n<\/tr>\n \n\t Jatkuvat kulut 10 v<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 0 \u20ac<\/td> 4 080 \u20ac<\/td>\n<\/tr>\n \n\t Vaihdot & huolto 10 v<\/td> 1 000 \u20ac<\/td> 3 800 \u20ac<\/td> 2 300 \u20ac<\/td> 500 \u20ac<\/td>\n<\/tr>\n \n\t Akuston uusimistarve 10 v<\/td> ei todenn\u00e4k\u00f6inen<\/td> mahdollinen (k\u00e4yt\u00f6st\u00e4 riippuen)<\/td> todenn\u00e4k\u00f6inen (1\u20132 kertaa)<\/td> ei koske<\/td>\n<\/tr>\n \n\t Aggregaatin k\u00e4ytt\u00f6tarve<\/td> harvoin<\/td> ajoittain<\/td> usein<\/td> ei tarvetta<\/td>\n<\/tr>\n \n\t Polttoaine 10 v<\/td> 200 \u20ac (0\u2013500 \u20ac)<\/td> 600 \u20ac (200\u20131200 \u20ac)<\/td> 900 \u20ac (400\u20132000 \u20ac)<\/td> 0 \u20ac<\/td>\n<\/tr>\n \n\t 10 v yhteens\u00e4<\/td> 11 350 \u20ac<\/td> 20 900 \u20ac<\/td> 9 200 \u20ac<\/td> 29 580 \u20ac<\/td>\n<\/tr>\n \n\t \u20ac\/kk<\/td> 95 \u20ac<\/td> 174 \u20ac<\/td> 77 \u20ac<\/td> 246 \u20ac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n What increases the use of aggregate?<\/h3>\n
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Is it possible to build cheaper?<\/h3>\n
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Do you want <\/span>to know, <\/span>what <\/span>solution <\/span>is right for you <\/span>best for you <\/span>your <\/span>for your destination?<\/span><\/h2>\n
but every cabin, use and location is different.
That’s why we’ll give you a clear estimate based on actual consumption and conditions. <\/p>\n
(location\/season, desired comfort level) \u2192 fill in the contact form.<\/p>\n