RECHARGEABLE AND MONEY SAVING: 1500 Cycle times charge can save much bigger money for you comparing with the single use battery. DITCH DISPOSABLE BATTERY: This rechargeable LiFePO4 4R25 battery can perfectly replace the single use alkaline 6v Lantern Battery,excellent back up battery for your lantern HIGH SAFETY: High leak proof and no memory effect on this LiFePO4 batteries with Lithium Iron cell technology,Low self-discharge rate less than 7% per month. EASY TO CHARGE: Both enclosed charger and DC charging cable can Charge your battery quickly,easy to use and storage. ENERGY SAVING: Lead acid,mercury, cadmium and lead are not used in these batteries,reducing a significant about of landfill waste.