The panasonic 3800 mAh battery is reliable and cost effective battery for high drain devices.AA /?HR6 type rechargeable NiMH batteries3800?mAh high capacityPerfect for high-drain devicesPackage contains four?AA?rechargeable batteriesAlso the?Allight charger is an intelligent multi expert charger, Makes battery life last longer. Alight charger is strong and allow normal flow of current for your rechargeable battery.