Samsung Galaxy S 4 Mini Spare Battery Charger (1900 mAh Battery and 700 mAh Travel Adapter Included) (Discontinued by Manufacturer) Spare battery case and battery charger Stores and protects spare battery Compact and sleek fits in small purse or bag Package Contents: Spare Battery Charging System, 1900 mAh NFC Standard Battery, 700mAh Travel Adapter Compatible with Samsung Galaxy S4 mini (all versions)