This is a package of four Spektrum NiMh 1.2V 2100mAH AA Batteries from Spektrum.
Rechargeable
High discharge rate suitable for RC use
Four Plazma NiMh 1.2V 2100mAH AA Batteries
Battery charger such as the Venom AC powered charger,
Charging at 2100mAh for 12 hours
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.