{"product_id":"bluetti-b300k-2-764-8wh-expansion-battery","title":"BLUETTI B300K 2,764.8Wh Expansion Battery","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eExpand Your Energy Storage. Extend Your Backup Power.\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe BLUETTI B300K Expansion Battery adds \u003cstrong\u003e2,764.8Wh of energy storage\u003c\/strong\u003e to compatible BLUETTI power systems, giving you a straightforward way to increase available runtime without replacing your existing system.\u003c\/p\u003e\n\u003cp\u003eBuilt with durable \u003cstrong\u003eLiFePO₄ (LFP) battery chemistry\u003c\/strong\u003e, the B300K is designed for long-term energy storage applications ranging from emergency home backup to RV and off-grid power.\u003c\/p\u003e\n\u003cp\u003eIts modular design allows compatible BLUETTI systems to grow alongside your energy needs. Pair the B300K with the \u003cstrong\u003eBLUETTI Apex 300\u003c\/strong\u003e or other supported BLUETTI power systems to increase total battery capacity and keep essential equipment operating longer when grid power isn't available.\u003c\/p\u003e\n\u003cp\u003eAt approximately \u003cstrong\u003e65.3 lb\u003c\/strong\u003e, the B300K packages substantial additional storage into a compact expansion module designed to integrate directly with compatible BLUETTI equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e 2,764.8Wh capacity • LiFePO₄ battery chemistry • modular expansion design • compatible with BLUETTI Apex 300 and select BLUETTI systems • suitable for home backup and off-grid applications • approximately 65.3 lb • compact stackable design.\u003c\/p\u003e","brand":"BLUETTI","offers":[{"title":"Default Title","offer_id":64632260100467,"sku":null,"price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/5889\/2659\/files\/Screenshot2026-09-11061733.png?v=1789125476","url":"https:\/\/frontrangefortress.com\/products\/bluetti-b300k-2-764-8wh-expansion-battery","provider":"Front Range Fortress","version":"1.0","type":"link"}