【Premium Grade A LiFePO4 Cells】Built with the highest quality, UL-recognized Grade A LiFePO4 cells for unmatched safety, stability, and a longer service life. Rigorously tested and certified to meet US standards (FCC, CE, UN38.3), this battery is the reliable and robust power core for your most demanding applications. 【Built-in 100A BMS for Complete Peace of Mind】Stop worrying about battery damage and safety hazards! Timeusb advanced built-in 100A Battery Management System (BMS) provides ultimate protection against overcharging, over-discharging, over-current, short circuits, and overheating. This ensures worry-free power for your RV, marine, and off-grid adventures, giving you total confidence in every use. 【Lightweight & Power-Packed: Ditch the Lead】 Why carry extra weight? This LiFePO4 battery is up to 70% lighter than a bulky lead-acid battery but delivers a massive 2560Wh of power. Experience more runtime for your trolling motor, RV appliances, and solar setups without the heavy lift. The ultimate drop-in upgrade for any application. 【10 Year Lifespan: 4000+ Deep Cycles】Invest in power that lasts. Engineered for over 4000 deep discharge cycles, this battery reliably powers your needs for a decade or more. That's 10x the lifespan of typical lead-acid batteries (only 300-500 cycles). Get more power for your money, year after year. 【Create a Home Energy System up to 40.96kWh】Power your entire home with the sun! Easily connect up to 16 batteries in series/parallel (4P4S configuration) to build a massive 51.2V 800Ah energy storage system. Perfect for whole-home backup power and maximizing your solar panel investment. Scale your power needs effortlessly. Experience reliable power storage with this robust 12.8V 100Ah/200Ah LiFePO4 battery, delivering an impressive 1280Wh of usable energy output. T making it significantly lighter than traditional lead-acid alternatives while providing superior performance. The battery features a sophisticated 100A BMS protection system that safeguards against overcharging, over-discharging, overcurrent, overheating, and short circuits. With an exceptional lifespan of 10 years and 4000+ cycle times, this battery ensures long-term reliability for your power needs. The flexible design allows for capacity expansion with up to 16 batteries in 4P4S connection configuration. This versatile power solution is ideal for various applications, from solar energy storage to marine use, RV systems, and off-grid power setups. The automotive-grade cells ensure consistent performance and reliability throughout the battery's lifecycle.