1.Made with Original SAMSUNG cells and premium microchips,plus high quality Li-ion battery,within CE, FCC, ROHS certification ensures reliability;
2.High-capacity power bank and portable phone charger with 7800mAh rechargeable battery power capacity with both 2.1A output and 2.1A input. This portable battery will add 30 extra hours of talk time or 3-4 full charges to your iPhone 5S / 5C / 5 / 4S / 4 ; 1-2 full charges to Samsung Galaxy S4, S3, 300+ hours of audio playback. This external battery charger adds 300% -500% extra battery life.
3.Input:Micro USB 5V 1.0A;Two Output:USB 5V 1A&5V 2.1A ensure charge two devices the same time to enjoy simple life.
4.Samsung grade A Li-ion polymer cell and premium microchips create high-quality portable charger; Premium aluminum case; Secured battery safety with 4 layers of smart safety protection circuit; Advanced power lock technology with standby time up to 6 months after fully charged. 500+ recharge cycles over the life of the battery.

5.Multiple protection system inside for safety. It"s designed for avoiding overcharge, overvoltage, overcurrent, and short circuit to ensure reliability.PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are.