Parkman E2 2200mAh Portable External Power Bank Battery Charger Pack with Micro USB Connector for Android Smart Phones (Black) Powerful rechargeable battery: The capacity 2200mAh battery can fully recharge your mobile phone and have plenty left over. Get up to 150% Charge. Quick charge features: Fully charge your mobile phone in less than 2 hours. Simultaneous charging means both power bank and mobile phone are fully charged for your daily use. Portable mini pocket style power bank: Smooth varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. Security: high-voltage protection, input anti-reverse protection, output over-current protection, output short circuit protection, battery overcharge and over-discharge protection, charging temperature protection. NOTE: Please press the power button on the side, to charge your cell phone when the LED lights on. Not available for phone case.