{"product_id":"bslbatt-12v-50ah-lifepo4-battery-deep-cycle-sla-agm-replacement-for-solar-ups-mobility-b-lifepo4-12-50","title":"BSLBATT 12V 50Ah LiFePO4 Battery – Deep-Cycle SLA\/AGM Replacement for Solar, UPS \u0026 Mobility (B-LiFePO4-12-50)","description":"\u003cp\u003eThe \u003cstrong\u003eBSLBATT 12V 50Ah\u003c\/strong\u003e is a deep-cycle \u003cstrong\u003elithium iron phosphate (LiFePO4)\u003c\/strong\u003e battery built as a direct, plug-and-play replacement for 12V 50–55Ah sealed lead-acid (SLA), AGM, and gel batteries. A built-in 100A Battery Management System (BMS) with premium-grade cells protects against overcharge, over-discharge, short circuit, and temperature extremes — delivering far more usable power at roughly half the weight.\u003c\/p\u003e\u003ch2\u003eWhy upgrade from lead-acid?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 60% lighter\u003c\/strong\u003e — ~11.5 lbs vs ~30+ lbs for an equivalent SLA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 10× longer life\u003c\/strong\u003e — 3,500+ cycles at 80% depth of discharge, vs ~300–500 for lead-acid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore usable capacity\u003c\/strong\u003e and a flat voltage curve — runs at full power until nearly empty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% maintenance-free\u003c\/strong\u003e and safe in non-ventilated boxes; expandable up to 4S\/4P (build to 48V or 200Ah).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon uses\u003c\/h2\u003e\u003cp\u003eSolar and off-grid storage, UPS \/ battery backup, mobility scooters and wheelchairs, RV\/marine house power, alarm and security systems, and general 12V deep-cycle applications.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNominal: 12.8V, 50Ah, 640Wh\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.80 × 6.50 × 6.89 in (198 × 165 × 175 mm) — Group U1 footprint\u003c\/li\u003e\n\u003cli\u003eWeight: ~11.5 lbs (5.2 kg)\u003c\/li\u003e\n\u003cli\u003eBuilt-in 100A BMS; max continuous discharge 50A\u003c\/li\u003e\n\u003cli\u003eCycle life: ≥3,500 @ 80% DOD\u003c\/li\u003e\n\u003cli\u003eOperating temp (discharge): −20 to 60°C\u003c\/li\u003e\n\u003cli\u003eCertifications: UL 1973 \/ UL 9540A \/ UN38.3\u003c\/li\u003e\n\u003cli\u003eWarranty: 5 years\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReplacing a lead-acid battery? Match the voltage (12V) and confirm the case size and terminals fit. Browse our \u003ca href=\"\/collections\/lifepo4-batteries-lithium-iron-phosphate\"\u003efull LiFePO4 range\u003c\/a\u003e or read \u003ca href=\"\/blogs\/news\/lifepo4-vs-lead-acid-batteries-why-lithium-iron-phosphate-is-the-upgrade\"\u003eLiFePO4 vs Lead-Acid: Why Lithium Iron Phosphate Is the Upgrade\u003c\/a\u003e.\u003c\/p\u003e","brand":"BSLBATT","offers":[{"title":"Default Title","offer_id":53264587555113,"sku":"B-LiFePO4-12-50","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/8111\/9529\/files\/b-lfp12-50.webp?v=1781398397","url":"https:\/\/www.batteriesnbulbs.com\/products\/bslbatt-12v-50ah-lifepo4-battery-deep-cycle-sla-agm-replacement-for-solar-ups-mobility-b-lifepo4-12-50","provider":"Batteries N Bulbs","version":"1.0","type":"link"}