Panasonic Energy HHR-380A Battery Size: L-A Output Voltage: 1.2 V Capacity: 3.7 Ah Termination Style: Flat Top Rechargeable/Non-Rechargeable: Rechargeable Chemistry: Nickel Metal Hydride Factory Pack Quantity: 360 Type: Cylindrical Nickel Metal Hydride Batteries Part # Aliases: HHR-380A