ICAN 4200mAh External Charger Backup Battery Case Pack Cover Power Bank for Samsung GALAXY Note 3 (Black) Used for Samsung Galaxy note 3 only, battery + cover + holder, three in one, portable and convenient. LED lights to show power status. Overcharge protection, discharge protection, over-current protection, short circuit protection, explosion protection. High-quality built-in battery. High efficiency of power conversion. Energy saving and environmental protection.