4 PACK AAA: With easy open packaging for your convenience, the 4 pack of AAA size batteries have a capacity of 1100mAh. Charging device sold separately. 
RECHARGEABLE: The rechargeable hybrid technology (nickel-metal hydride) allows for less waste than with standard disposable alkaline batteries and are more affordable overall. Save money and reduce waste with AccuUltra batteries. 
UNIVERSAL SIZE: AAA batteries are suitable for many devices including remote controls, wireless computer accessories, clocks and much more. 
UP TO 1000 CHARGES: Provides long lasting power to your everyday devices with up to 1000 charges. The batteries have a long lasting shelf life when unused to keep until they are required, with 80% energy retention after 1 year. 
SAFE: The batteries contain 0% of harmful metals cadmium and mercury. Each battery casing prevents leakage to protect your family's devices and is made up of anti-corrosion components.