Casemetro’s ultra slim, high-capacity, 10,000 mAh, dual output power bank allows you to charge your mobile phones and other devices up to four times faster on a full charge. Charge two devices simultaneously with the 2.1A and 1A dual ports. Dual inputs for charging this power bank with a Micro USB or Lightning compatible cable. Safety protection features prevent over-charge, over-discharge, over-current, over-voltage, short circuit, over-load and more. Powerful, safe and stable.