{"product_id":"bigbattery-eg4-wallmount-48v-314ah-16kwh-lifepo4-home-battery-backup","title":"BigBattery EG4 WallMount 48V 314Ah 16kWh LiFePO4 Indoor Battery","description":"\u003cp\u003eThe \u003cstrong\u003eBigBattery EG4 WallMount 48V 314Ah 16kWh LiFePO4 Indoor Battery\u003c\/strong\u003e is a high-capacity home energy storage system designed for reliable solar battery backup and whole-home power protection. With 16.1kWh of lithium energy storage, this 48V wall-mounted LiFePO4 battery provides stable power for homes and small businesses. It helps reduce electricity costs while ensuring dependable backup power during outages, making it ideal for solar energy systems and off-grid setups.\u003c\/p\u003e\n\u003cp\u003eBuilt for efficiency and durability, the EG4 WallMount battery delivers 200A continuous output for demanding household loads. Its compact indoor wall-mounted design saves space while integrating easily with modern hybrid solar inverters and energy storage systems (ESS). Engineered with advanced LiFePO4 battery technology, it offers long lifespan, high safety standards, and consistent performance for reliable home battery backup and energy independence.\u003c\/p\u003e\n\u003ch3 data-end=\"1603\" data-start=\"1589\" data-section-id=\"u0ybrq\"\u003eKey Features\u003c\/h3\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eCross-Compatible with Other EG4 Models: Seamlessly integrates with existing\u003cbr\u003eEG4 battery systems for flexible scaling and expanded storage capacity. (Note: UL9540 Certified only with Flexboss 18 \u0026amp; Flexboss 21)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eHybrid Wall or Floor Mount Design: Flexible installation options with a durable,\u003cbr\u003espace-saving enclosure (IP20 rated).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eHigh-Capacity Storage: 16kWh nominal energy and 314Ah capacity for\u003cbr\u003ereliable, high-output performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eAuto-ID Technology: Automatically recognizes and syncs new batteries during\u003cbr\u003einstallation, simplifying system setup and configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eThird-Generation BMS: Provides advanced monitoring, improved balancing precision, and faster response times for greater safety and system efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eSelf-Heating Function: Maintains optimal performance and battery health in cold environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003e200A Continuous Output \/ 12.8kW Peak Power: Supports heavy household loads and seamless backup operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"3846\" data-start=\"3829\" data-section-id=\"1m8mqxq\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"3719\" data-start=\"3679\" data-section-id=\"1rd89iu\"\u003e(1) Mounting Bracket\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3719\" data-start=\"3679\" data-section-id=\"1rd89iu\"\u003e(1) X Bracket\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3719\" data-start=\"3679\" data-section-id=\"1rd89iu\"\u003e(6) Expansion Bolt\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3719\" data-start=\"3679\" data-section-id=\"1rd89iu\"\u003e(2) Red \u0026amp; Black Battery to Inverter Power Cables (3.3 FT)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3719\" data-start=\"3679\" data-section-id=\"1rd89iu\"\u003e(1) Battery to Inverter Comm Cable (5 FT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow Voltage LFP Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium Iron Phosphate (LiFePO4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWM-48-314-IN-XX (XX = 00–99)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Energy Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsable Energy (80% DoD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.86kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.5 – 57.6 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e314Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56 – 57 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarging Cut-off Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e157A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Charge \/ Discharge Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 kW \/ 10.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.8 kW (3 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Charge\/Discharge Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRound-trip Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Parallel Units\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Management System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated BMS with Active Balancing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOver\/Under Voltage, Over-Current, Short Circuit, High\/Low Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Breaker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCharge: 32–122°F (0–50°C); Discharge: -4–131°F (-20–55°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-4–131°F (-20–55°C) (≤3 months); 59–86°F recommended for long-term storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% – 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAltitude Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9,843 ft (\u0026lt;3000 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H × W × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34.1 × 18.1 × 9.6 in (865 × 460 × 245 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e293.2 lbs (133 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall Mount or Floor Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay \/ Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDegson Quick Connector \/ Screw Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUL 1973 Certification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUL 9540 Certification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC ESS, AC ESS with EG4 18kPV, 12kPV, FlexBOSS 21, FlexBOSS 18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUL 9540A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery-to-battery spacing of 6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUN 38.3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFCC Part 15 (EMC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Life (70% EOL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10,000 cycles @ 0.5C, 25°C, 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years or 10,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResidential \/ Commercial \/ Off-grid \/ Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifetime Energy Throughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115.7 MWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEG4 WallMount Indoor Battery: 10-Year EG4 Manufacturer Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0814\/0822\/9588\/files\/EG4-WallMount-314Ah-Indoor-Battery-Spec-Sheet.pdf?v=1773403577\" target=\"_blank\"\u003e\u003cspan\u003eSpec Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0814\/0822\/9588\/files\/EG4-WallMount-Indoor-314Ah-Battery-User-Manual.pdf?v=1773403589\" target=\"_blank\"\u003e\u003cspan\u003eUser Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0814\/0822\/9588\/files\/EG4-WallMount-314Ah-Indoor-Battery-Quick-Start-Guide.pdf?v=1773403588\" target=\"_blank\"\u003eQuick Start Guide\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0814\/0822\/9588\/files\/UL9540A-Certificate-1.pdf?v=1773301116\" target=\"_blank\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":47648870432980,"sku":"FEWMT-48161-G1","price":3727.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/0822\/9588\/files\/BigBattery-ALL-PRODUCT-IMAGES-1_8d997908-7c41-44b5-96c4-f24905ba7562.png?v=1773403841","url":"https:\/\/sitereadysupply.com\/products\/bigbattery-eg4-wallmount-48v-314ah-16kwh-lifepo4-home-battery-backup","provider":"Site Ready Supply","version":"1.0","type":"link"}