OVERVIEW: The Spare Battery Charger will provide you with peace of mind, knowing you will always have a spare battery charged. So whether you need to extend your day, need a replacement battery, or just need a backup plan, the Spare Battery Charger has you covered. KEY FEATURES: Spare battery case, stores and protects spare battery Compact and sleek fits in small purse or bag Charge your spare battery from any Micro USB cable or mains charger Same capacity as original battery Official S4 Zoom...