{"product_id":"eg4-wallmount-314ah-all-weather-battery-flexboss18","title":"EG4 WallMount 314Ah All-Weather Battery + FLEXBOSS18","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the WallMount 314Ah Batteries!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eEG4 WallMount 314Ah AllWeather Battery\u003c\/strong\u003e — a high-capacity, outdoor-ready energy storage unit built for installs where space, weather, and long runtimes all matter. Delivering \u003cstrong\u003e16kWh at 51.2V\u003c\/strong\u003e, it’s designed to be a dependable backbone for solar-plus-storage, off-grid power, or whole-home backup setups that need serious capacity with straightforward expandability.\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cp\u003eAt the core are \u003cstrong\u003elithium iron phosphate (LiFePO₄) cells\u003c\/strong\u003e paired with \u003cstrong\u003eEG4’s smart BMS\u003c\/strong\u003e for stable performance and long service life, plus \u003cstrong\u003eactive cell balancing\u003c\/strong\u003e to help keep the pack operating efficiently over time. The enclosure is purpose-built for exterior placements with an \u003cstrong\u003eIP67 rating\u003c\/strong\u003e, and \u003cstrong\u003einternal heaters\u003c\/strong\u003e support reliable operation when temperatures drop. For day-to-day ownership and long-term maintenance, \u003cstrong\u003eBluetooth + Wi-Fi connectivity\u003c\/strong\u003e enables live status checks and \u003cstrong\u003eover-the-air firmware updates\u003c\/strong\u003e through the EG4 app—so the system stays current without hassle.\u003c\/p\u003e\n\u003ch3 id=\"h-why-it-stands-out\" class=\"wp-block-heading\"\u003eWhy it stands out\u003c\/h3\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig usable capacity:\u003c\/strong\u003e \u003cstrong\u003e16kWh (314Ah)\u003c\/strong\u003e for extended runtime and stronger backup coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue outdoor protection:\u003c\/strong\u003e \u003cstrong\u003eIP67 enclosure\u003c\/strong\u003e built to handle dust, water, and harsh conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmarter control:\u003c\/strong\u003e EG4 \u003cstrong\u003esmart BMS\u003c\/strong\u003e with \u003cstrong\u003eactive cell balancing\u003c\/strong\u003e for better efficiency and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnected ownership:\u003c\/strong\u003e \u003cstrong\u003eBluetooth\/Wi-Fi monitoring\u003c\/strong\u003e + \u003cstrong\u003eOTA updates\u003c\/strong\u003e via the EG4 app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold-weather confidence:\u003c\/strong\u003e \u003cstrong\u003eBuilt-in heaters\u003c\/strong\u003e for reliable performance in colder climates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified scaling:\u003c\/strong\u003e \u003cstrong\u003eAuto-addressing\u003c\/strong\u003e and closed-loop integration with EG4 inverters\/batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"h-best-fit-applications\" class=\"wp-block-heading\"\u003eBest-fit applications\u003c\/h3\u003e\n\u003cp\u003eA strong choice for \u003cstrong\u003eresidential and light commercial\u003c\/strong\u003e solar storage, \u003cstrong\u003eoutdoor battery banks\u003c\/strong\u003e, \u003cstrong\u003eoff-grid power systems\u003c\/strong\u003e, and \u003cstrong\u003ebackup power\u003c\/strong\u003e where durability, monitoring, and easy expansion are priorities.\u003c\/p\u003e\n\u003ch3 id=\"h-core-specifications-at-a-glance\" class=\"wp-block-heading\"\u003eCore specifications (at a glance)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 309 lbs\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 51.2V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Capacity:\u003c\/strong\u003e 16kWh\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharge Capacity:\u003c\/strong\u003e 314Ah\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMax Parallel (closed-loop):\u003c\/strong\u003e Up to 32 batteries\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL 1973; UL 9540 with Flexboss21 \u0026amp; Flexboss18\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign Life:\u003c\/strong\u003e Tested \u003cstrong\u003e10,000+ cycles @ 80% DoD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 34.6″ × 21.7″ × 9.3″\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cp class=\"bb-justify-between\"\u003e\u003cstrong\u003eItems Included SKU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"bb-items-included-frontend\"\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg class=\"bb-item-img\" alt=\"EG4 All Weather Conduit Box\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2024\/01\/Rhino-2-Conduit-Box-CNT079-1-150x150.png\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eEG4 All Weather Conduit Box\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eCNT102\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg class=\"bb-item-img\" alt=\"EG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV \/ 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2025\/05\/FLEXBOSS18-3-150x150.png\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003eEG4 FlexBOSS18 Hybrid Solar Inverter | 18kW PV \/ 13kW AC | Split-Phase | 3-MPPT | Scalable | Remote Wi-Fi Monitoring\u003c\/span\u003e\u003cspan class=\"bb-item-sku\"\u003eINV031\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-frontend\"\u003e\n\u003cimg class=\"bb-item-img\" alt=\"51.2V WallMount 314Ah All-Weather Battery\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/2-150x150.png\"\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\n\u003cspan class=\"bb-item-qty\"\u003e1x\u003c\/span\u003e\u003cspan class=\"bb-item-title\"\u003e51.2V WallMount 314Ah All-Weather Battery \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\u003cspan class=\"bb-item-title\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\u003cstrong\u003e\u003cspan class=\"bb-item-title\"\u003eYoutube \u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"bb-item-info\"\u003e\u003cspan class=\"bb-item-title\"\u003ehttps:\/\/youtu.be\/piXdWAx8aus%3Ehttps:\/\/youtu.be\/piXdWAx8aus\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":45171959005238,"sku":"K0286","price":7560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/1275\/7558\/files\/314Ah-All-Weather-Flexboss18-scaled.png?v=1774626979","url":"https:\/\/stellarstarsolarsolutions.com\/products\/eg4-wallmount-314ah-all-weather-battery-flexboss18","provider":"Stellar Star Solar Solutions","version":"1.0","type":"link"}