This is a package of four Spektrum NiMh 1.2V 2100mAH AA Batteries from Spektrum. FEATURES: Rechargeable High discharge rate suitable for RC use YOU WILL RECEIVE: Four Plazma NiMh 1.2V 2100mAH AA Batteries REQUIREMENTS: Battery charger such as the Venom AC powered charger Charging at 2100mAh for 12 hours COMMENTS: Charge before use and according to NiMh charger instructions. Do not dispose of in fire or mix with other battery types. Do not deform disassemble modify or short circuit batteries.