Power Queen 12V 280Ah LiFePO4 Battery, Low-Temp Protection Lithium Battery, 200A BMS, 3584Wh Energy, 4000+ Deep Cycles for Cabin, Marine, RV Solar Power System, UPS.Support max 4P4S,with UL FCC, Rohs test reports Certificates.5 Years Warranty.Purchase with confidence!nbsp; 【Extreme Performance, Extended Lifespan�? Unleash the power of the Power Queen 12V 280Ah LiFePO4 Battery with 200A BMS. Experience an exceptional 3584Wh energy capacity for cabins, marine, RV solar power systems, and UPS. Lasts up to 10 years with a 5-year warranty, enduring 4000+ Cycles @100% DOD, 6000+ Cycles @80% DOD, or up to 15000+ Cycles @60%DOD 【Low Temperature Cut Off Protection�? Conquer extreme temperatures with confidence! Our LiFePO4 battery features Low Temperature Charging Protection, ensuring reliable performance in cold environments as low as -20°C. Versatile for cabins, marine adventures, RVs, and more. 【Efficient Charging, Quick Power�? Charge smarter and faster! With a recommended current of 56A (0.2C), this battery will be fully charged in around 5hrs to 100% capacity. The battery supports various charging methods: ①Battery Charger (0.2C) ②Generator and DC to DC Charger �?Solar Panel and Controller 【Compact Design, Rugged Protection�? Experience the convenience of a compact battery (20.55″ x 9.45″ x 8.58″) with robust IP65 protection. Perfect for on-the-go adventures or permanent installations. Operates flawlessly in a wide temperature range: �?Charge: 0°C to 50°C (32°F to 122°F). �?Discharge: -20°C to 60°C (-4°F to 140°F) �?Storage: -10°C to 50°C (14°F to 122°F) 【Versatile Configurations, Limitless Power�? Customize your power setup effortlessly! Connect up to 16 identical batteries for versatile configurations. Whether in series (51.2V 280Ah) or parallel (12.8V 1120Ah), the Power Queen battery provides limitless power possibilities for your unique needs. nbsp;