Recharge up to 2100 times</br>Maintain up to 70% of their charge after 10 years (when not it use)</br>2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery</br>4 position charger with worldwide voltage (110 - 240V)</br>Charges from 1 to 4 AA or AAA batteries in any combination</br></br>Product Description</br></br>Recharge up to 2100 times Maintain up to 70% of their charge after 5 years (when not it use) 2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery 4 position charger with worldwide voltage (110 - 240V) Charges from 1 to 4 AA or AAA batteries in any combination</br><br/>http://www.amazon.com/gp/product/B00JHKSLLY