Lithium Primary - Not Rechargeable. Camelion Lithium P7 Batteries are both lightweight and deliver higher energy performance. As Camelion's most powerful primary battery, P7 batteries offer unbeatable performance for your high-drain devices, such as cameras, smart home water meters, and other devices. The maximum lifespan of this type of battery is 10 years in storage. Features Lithium Primary - Not Rehcargeable Exceptional performance for high drain devices Up to 7x longer usage time than normal alkaline batteries ** when using high drain devices 10 year storage life Super Lightweight battery Higher operating voltage and flatter discharge curve Superior leakage resistance No environmentally harmful compounds such as lead, mercury, and cadmium Specifications Model:;FR03 Size:AAA UPC: 873999007233 Voltage:1.5V Capacity: 1100mAh up to 0.8V Chemistry: Lithium Iron Disulfide;*NOT A REPLACEMENT FOR LITHIUM ION - DON'T TRY TO RECHARGE Case Qty: 288 Battery Dimensions:1.73" x 0.39"