Samsung Galaxy Note 4 Spare Battery Charger with OEM Replacement Battery External battery charger charges and carries a spare battery for on the go use when your phone is running low on battery life Swap your low battery for a fully charged one to get your phone to a 100% charge immediately Spare battery case, stores and protects spare battery Compact and sleek fits in small purse or bag Extra Battery Charging Station, 3220 mAh Standard Battery