This spare battery charger for the Samsung Galaxy S3 allows you to charge a battery separately to your Smartphone, ensuring you've always got spare power on hand. The battery charger also comes with the ability to stand your phone on it too. Therefore on your desk you can sit a Samsung Galaxy S3 and charge a spare battery at the same time, so should your main battery run out of power you have a spare available. Keep your device secure on your desktop and fully charged at all times. Samsung Samsung Galaxy S III Spare Battery Charging System - 5 V DC Micro USB Input
