{"product_id":"bluetti-b300k-expansion-battery-2-764-8wh","title":"BLUETTI B300K Expansion Battery | 2,764.8Wh","description":"\u003cp\u003eThe BLUETTI B300K is a 2,764.8Wh LiFePO4 expansion battery designed to add capacity to compatible BLUETTI power stations, including the Apex 300 (up to 58kWh total when stacked), AC200L, AC200MAX, AC300, and AC500 (with an additional cable, sold separately). It uses automotive-grade battery cells with AI-BMS management, a rugged aluminum casing, and active cooling, and includes a built-in USB-A port so it can charge small devices even as a standalone unit. Rated for 6,000+ cycles to 80% capacity, it's built for long-term daily use or extended backup during outages.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,764.8Wh Capacity, 6,000+ Life Cycles:\u003c\/strong\u003e Built for daily power needs or extended outage backup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive-Grade LiFePO4 Battery:\u003c\/strong\u003e Extended lifespan and enhanced safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Compatibility:\u003c\/strong\u003e Integrates with Apex 300, AC200L, AC200MAX, AC300, and AC500 (AC500 requires a separate P090D to P150D cable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize Your Power:\u003c\/strong\u003e Expand up to 58kWh total when connected with Apex 300.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charging:\u003c\/strong\u003e Paired with AC300 or AC500, charges to 80% in about 45 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone Power Source:\u003c\/strong\u003e Built-in USB-A port for charging small devices directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3+1 Year Warranty:\u003c\/strong\u003e Extendable by registering the product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"width: 99.9397%; height: 125.466px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e2,764.8Wh (51.2V, 54Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003eLiFePO4 (Lithium Iron Phosphate), automotive-grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eCycle Life\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e6,000+ cycles to 80% capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eUSB-A Port\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e12W max, 5V\/2.4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e29.5 kg (65.04 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e52.5 x 32.7 x 20.9 cm (20.67 x 12.87 x 8.23 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003e3+1 years (extendable with registration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 15.6833px;\"\u003e\n\u003ctd style=\"width: 31.831%; height: 15.6833px;\"\u003eCompatible Power Stations\u003c\/td\u003e\n\u003ctd style=\"width: 62.1932%; height: 15.6833px;\"\u003eApex 300, AC200L, AC200MAX, AC300, AC500*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*AC500 compatibility requires a separate P090D to P150D cable, sold separately.\u003c\/p\u003e\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eB300K Expansion Battery x 1\u003c\/li\u003e\n\u003cli\u003eBattery Connection Cable (CA90) x 1\u003c\/li\u003e\n\u003cli\u003eUser Manual x 1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bluetti","offers":[{"title":"Default Title","offer_id":47108236279981,"sku":null,"price":1189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/3175\/6717\/files\/b300k2-apex300.webp?v=1785464533","url":"https:\/\/footloosesolar.com\/products\/bluetti-b300k-expansion-battery-2-764-8wh","provider":"Footloose Solar","version":"1.0","type":"link"}