12V 300Ah Smart LiFePO4 Lithium Iron Battery Phosphate 200A BMS for RV Off-Grid

  
Note: Much Lifepo4 Battery on the market actually use Grade B or C Cell, which have large internal resistance and short battery life. Compare to heavy-duty lead acid battery, this lightweight, auto-balanced, ultra-safe, long-cycle-life lithium-ion battery is perfect for your outdoor using.