{"product_id":"bigbattery-eg4-wallmount-indoor-battery-48v-314ah-16kwh-ul9540a-self-heating","title":"BigBattery EG4-WallMount Indoor Battery | 48V 314Ah | 16kWh | UL9540A | Self-Heating","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThis indoor lithium iron phosphate battery provides 16kWh of nominal storage and 314Ah capacity for residential, commercial, off-grid, and backup applications. It supports 200A continuous discharge and 12.8kW peak power for 3 seconds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAutomatic self-heating supports operation in cold environments. An integrated battery management system provides active balancing and protection, while monitoring controls help track battery performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWall or floor mounting accommodates different installation layouts. Auto-ID technology simplifies battery recognition during expansion, with support for up to 16 parallel units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"width: 100%; margin: 15px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/OZACkN1Enns\" title=\"Product Video\" style=\"display: block; width: 100%; aspect-ratio: 16\/9; border: 0; border-radius: 10px; box-shadow: 0 3px 10px #0002;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"true\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSelf-Heating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports battery operation in cold environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery Management:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Integrated BMS with active balancing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEmergency Stop:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides rapid shutdown.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMonitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LCD touchscreen and LED status indicators.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExpansion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Auto-ID simplifies recognition of additional batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndoor Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e IP20 enclosure with wall or floor mounting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"true\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lithium Iron Phosphate (LFP)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNominal Energy Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 16kWh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUsable Energy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12.86kWh at 80% recommended depth of discharge\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 51.2 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVoltage Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 47.5–57.6 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCapacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 314Ah\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCharging Voltage Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 56–57 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDischarging Cutoff Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 47.5 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Continuous Charge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 157A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Continuous Discharge Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 200A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eContinuous Charge \/ Discharge Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8\/10.2 kW\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Charging \/ Discharging Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.5C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePeak Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12.8kW (3 sec)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRound-Trip Efficiency:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 95%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Parallel Units:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 16\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProtection Features:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Over\/under voltage, overcurrent, short circuit, and high\/low temperature\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCommunication Protocols:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RS485, CAN\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBattery Breaker:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 250A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCharging Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 32–122°F (0–50°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDischarging Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e -4–131°F (-20–55°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStorage Temperature, Less Than 3 Months:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e -4–131°F (-20–55°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Storage Temperature, Longer Than 3 Months:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 59–86°F (15–30°C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHumidity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5%–95% RH, non-condensing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAltitude:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9843 ft. (\u0026lt;3000 m)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural convection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConnector Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Degson quick connector\/screw terminal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10000 cycles at 0.5C, 25°C, 80% DOD, to 70% end-of-life capacity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesign Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10 years\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUL 1973:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUL 9540A:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Battery-to-battery spacing of 6 in.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUN 38.3:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFCC Part 15 (EMC):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProtection Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Class B\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSize Guide\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"true\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDimensions (H x W x D):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 34.1 in. x 18.1 in. x 9.6 in. (865 mm x 460 mm x 245 mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 293.2 lbs. (133 kg)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUL 9540 Grid-Tied Systems with Closed-Loop Communication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e EG4 FlexBoss18 and FlexBoss21.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOff-Grid Non-UL 9540 Installations with Closed-Loop Communication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e All BigBattery APEX inverters and all EG4 inverters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10-year EG4 manufacturer warranty; specifications state 10 years or 10000 cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-314Ah-1024x420.webp?v=1792820679\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/Product-Infographics-2-1024x420.webp?v=1792820681\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #f0e6da; border-radius: 12px; padding: 20px; margin: 20px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 15px; color: #73243a;\"\u003eProduct Documents\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-314Ah-Indoor-Battery-Spec-Sheet.pdf?v=1792820970\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eSpec Sheet\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-Indoor-314Ah-Battery-User-Manual.pdf?v=1792820980\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eUser Manual.\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-314Ah-Indoor-Battery-Quick-Start-Guide.pdf?v=1792820988\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eQuick Start Guide: \u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-314Ah-Indoor-Battery-1973-Certificate-of-Compliance.pdf?v=1792821068\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eCertification of Compliance\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-314Ah-Indoor-Battery-UL-9540A-Test-Verification-of-Conformity.pdf?v=1792821124\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eCertification of Conformity\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/EG4-WallMount-314Ah-Indoor-UL-9540-Certificate-of-Compliance_1.pdf?v=1792821137\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 9px 18px; border: 2px solid #f0e6da; border-radius: 30px; color: #73243a; text-decoration: none; font-weight: bold;\" target=\"_blank\"\u003eDC ESS UL-9540 Certification\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":67769605324963,"sku":"FEWMT-48161-G1","price":3727.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/4127\/3251\/files\/1_afb6f012-5b62-4bb1-9977-0053d4a09c43.png?v=1792820672","url":"https:\/\/wildhavencurator.com\/products\/bigbattery-eg4-wallmount-indoor-battery-48v-314ah-16kwh-ul9540a-self-heating","provider":"Wildhaven Curator","version":"1.0","type":"link"}