{"product_id":"p-b500k2-un-gy-10","title":"Bluetti B500K V2 Expansion Battery 5120Wh Backup Power Storage","description":"\u003cdiv\u003e\n\u003ch1\u003eBLUETTI B500K V2 Expansion Battery | 5,120Wh LiFePO₄ Module\u003c\/h1\u003e\n\u003cp\u003e\u003cb\u003eEquipment Type:\u003c\/b\u003e Modular Lithium Iron Phosphate battery expansion unit. \u003cb\u003ePrimary Applications:\u003c\/b\u003e Residential grid-tie backup, off-grid storage arrays, and high-load mobile power systems.\u003c\/p\u003e \u003ch2\u003ePerformance Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnergy Capacity: 5,120Wh\u003c\/li\u003e\n\u003cli\u003eCell Chemistry: Lithium Iron Phosphate (LiFePO₄)\u003c\/li\u003e\n\u003cli\u003eCycle寿命: 4,000+ partial cycles retaining ≥80% rated capacity\u003c\/li\u003e\n\u003cli\u003eDual Expansion Interface: 58.4VDC Max, 90A Max combined throughput\u003c\/li\u003e\n\u003cli\u003eMaximum Charge Rate: 60A\u003c\/li\u003e\n\u003cli\u003eMaximum Discharge Rate: 70A\u003c\/li\u003e\n\u003cli\u003eEnvironmental Rating: IP20 (indoor, climate-controlled deployment only)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSafety Features and Certifications\u003c\/h2\u003e\n\u003cp\u003eIntegrated Battery Management System continuously tracks individual cell voltages, temperature gradients, and current draw. The LiFePO₄ formulation provides inherent thermal runaway resistance, while automated protection circuits enforce hard limits on over-charge, over-discharge, and short-circuit conditions. No third-party certification marks provided in source documentation.\u003c\/p\u003e \u003ch2\u003eInstallation and Maintenance Requirements\u003c\/h2\u003e\n\u003cp\u003eSecure in dry, ventilated zones away from moisture sources. Connect to compatible host stations via dedicated expansion ports. Initial commissioning requires mechanical coupling and automatic protocol handshake. Annual preventive maintenance includes terminal torque verification, connector cleaning, and synchronized firmware updates delivered through the primary controller interface.\u003c\/p\u003e \u003ch2\u003eWarranty and Service Information\u003c\/h2\u003e\n\u003cp\u003eCovered by a four-year limited warranty addressing manufacturing defects and accelerated capacity fade. Field repairs are prohibited; defective units require authorized diagnostic evaluation and must be routed through certified service channels for replacement processing.\u003c\/p\u003e \u003ch2\u003eBranding\/References\u003c\/h2\u003e\n\u003cp\u003eManufacturer: BLUETTI\u003cbr\u003eModel Designation: B500K V2 (BlueCell 500)\u003cbr\u003eHost Platform Compatibility: Apex300, AC500, AC300, AC200MAX\u003c\/p\u003e \u003ch2\u003eDifferentiators\u003c\/h2\u003e\n\u003cp\u003eEngineered with a true dual-channel expansion topology that routes independent communication and power lines to multiple host ports simultaneously. This architecture eliminates single-branch throughput bottlenecks, sustaining high-amperage continuous loads while supporting decade-plus system longevity across scalable energy networks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bluetti","offers":[{"title":"Default Title","offer_id":45315814588531,"sku":"P-B500K2-UN-GY-10","price":2038.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/9969\/3939\/files\/19b0c6c34494b1a2227a6a79a70.webp?v=1786289871","url":"https:\/\/ampereauthority.com\/products\/p-b500k2-un-gy-10","provider":"Ampere Authority","version":"1.0","type":"link"}