Features4 x AAA batteries1.2 VNi-MH750 mAh capacityRechargeable up to 2100 timeseneloop is a long-life, pre-charged, energy and money saving, recyclable rechargeable battery which can be charged and discharged up to 2100 times.eneloop batteries are pre-charged with solar power and can be used immediately like a normal battery.Rechargeable up to 2100 times - this protects the environment and your wallet.eneloop batteries have extremely low self-discharge and are always ready for use. Even after 10 years of storage, eneloop has up to 70% of the initial charge. eneloop batteries are universally usable, environmentally friendly and can replace conventional batteries in all devices. They can be charged with standard Ni-MH chargers.