{"product_id":"big-battery-48v-15kwh-nexus-lifepo4-battery","title":"Big Battery 48V 14.3kWH NEXUS LiFePO4 Battery","description":"\u003cp\u003eThe BigBattery 48V 14.3kWh NEXUS LiFePO₄ is a high-capacity, floor-standing battery built for whole-home backup, larger off-grid cabins, and 48V solar systems that need long runtimes and dependable power.\u003c\/p\u003e \u003cp\u003eIt takes the same NEXUS architecture (LFP cells + smart BMS + rugged enclosure) and ups the storage to a full 15kWh, so you get more usable energy without having to parallel a bunch of smaller batteries. This makes it ideal for sites running pumps, mini-splits, compressors, shop tools, or inverter\/chargers with higher surge. LiFePO₄ chemistry gives you safety, long cycle life, and low maintenance, while the integrated BMS handles protections, balancing, and temperature.\u003c\/p\u003e \u003cp\u003eBecause it’s modular, you can parallel multiple NEXUS packs to build large banks for estate, light commercial, or community storage use. It’s for people who want a plug-and-power 48V block, not a DIY rack.\u003c\/p\u003e \u003cp\u003eKey Features\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e48V, 14.3kWh LiFePO₄ energy storage (high-capacity NEXUS variant)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eIntegrated smart BMS (OV\/UV, over-current, temp, cell balancing)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eFloor-standing, indoor\/outdoor-ready enclosure\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eLong cycle life, low maintenance vs. lead-acid\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eParallel-ready to scale beyond 14.3kWh\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompatible with most 48V inverter\/chargers\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eIdeal for whole-home backup, off-grid cabins, light commercial\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cdiv\u003e \u003cdiv tabindex=\"-1\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003cth\u003eDetail\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eProduct Name\u003c\/td\u003e \u003ctd\u003eBigBattery 48V 15kWh NEXUS LiFePO₄ Battery\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eChemistry\u003c\/td\u003e \u003ctd\u003eLiFePO₄ (LFP)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNominal Voltage\u003c\/td\u003e \u003ctd\u003e48V (51.2V nominal)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTotal Energy\u003c\/td\u003e \u003ctd\u003e15 kWh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eApprox. Capacity\u003c\/td\u003e \u003ctd\u003e280Ah\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUsable Energy\u003c\/td\u003e \u003ctd\u003e~14–14.5 kWh (typical recommended DoD)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eContinuous Discharge\u003c\/td\u003e \u003ctd\u003e100–120A class (short surge higher)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBMS\u003c\/td\u003e \u003ctd\u003eBuilt-in smart BMS with protections \u0026amp; balancing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eForm Factor\u003c\/td\u003e \u003ctd\u003eFloor-standing, modular, indoor\/outdoor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eScalability\u003c\/td\u003e \u003ctd\u003eParallel multiple NEXUS units for larger banks\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTypical Applications\u003c\/td\u003e \u003ctd\u003eOff-grid solar, whole-home backup, cabins, light commercial\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":55064589992275,"sku":"Nexus48","price":1504.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/BigBattery-ALL-PRODUCT-IMAGES-1.png?v=1790371581","url":"https:\/\/progradewarehouse.com\/products\/big-battery-48v-15kwh-nexus-lifepo4-battery","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}