AAA 8 Pack R2G Ready To Go Rechargeable 850  mAh Batteries By Lenmar 8-pack R2G 850mAh AAA rechargeable batteries Pre-charged and ready to use right out of the package Advanced technology allows for extra long shelf-life and slow discharge rate keeps 85% of their charge after 1 year Environmentally friendly and economical - can be recharged up to 1,000 times using any NiMH charger 1 Year Warranty 8 pack, rechargeable nickel-metal hydride (NiMH) AAA batteries Ready to use right out of the package; no initial charging needed Compatible with any NiMH charger Lasts 1000 times longer than alkaline batteries Suitable for low or high drain devices