12V 640Ah LiFePO4 Battery. High Performance - 8192Wh capacity, 15000 deep cycles, and EV A+ grade LiFePO4 cells ensure long-lasting power and efficiency. 🔗Scalable Power Solution - Connect up to 4 batteries in series or parallel, expanding capacity up to 131.07 kWh, ideal for off-grid, solar, RVs, and backup systems.
eBay