Samsung Galaxy SIII Dual Desktop Charger Cradle Dock with Spare Battery Charging Slot for Samsung Galaxy S3 S III - Includes 2300mAh Spare Battery Dual Desktop Sync Charger for Galaxy S3 SIII - Verizon, Sprint, AT&T, T-Mobile & Others 3-In-1 Features: Synchronize, Charge Phone and Charge Extra Battery Includes 2300mAh Spare Battery!!!! Protection circuit will not overcharger, LED indicator light Includes 1.5Amp Charger & Sync Data Cable