Casil 12V 20Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery 2000+ Life Cycles & 10-Year Lifetime, Perfect for RV, Solar, Marine, Overland, Off-Grid Applications   Casil 12V 20Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery 2000+ Life Cycles & 10-Year Lifetime, Perfect for RV, Solar, Marine, Overland, Off-Grid Applications Length: 7.13 Width: 3.03 Height: 6.57 Weight: 5.0