With a life span of up to 1000 charges, this 9V (PP3) size battery is a simple and reliable source of power for your everyday devices. Their long shelf life means they are always around when you need them with 80% energy retention after 1 year.The rechargeable hybrid technology (nickel-metal hydride) allows for less waste than with standard disposable alkaline batteries. Please note the charging device is sold separately.The battery contains 0% of harmful metals cadmium and mercury. The battery casing prevents leakage to protect your family's devices and is made up of anti-corrosion components.Package Includes:1 x 9V (PP3) 250mAh Rechargeable Batteries Features: 1 PACK 9V: With easy open packaging for your convenience, the 9V (PP3) size battery has a capacity of 250mAh. Charging device sold separately UNIVERSAL SIZE: 9V (PP3 ) batteries are suitable for many devices including alarm clocks, smoke alarms and much more RECHARGEABLE: The rechargeable hybrid technology (nickel-metal hydride