Brand New! POWERGRID 2500mAh Credit Card Sized Portable External Battery Charger w/ Built-in USB for iPhone Samsung Galaxy HTC Kindle Motorola Moto Android Smart phone Phone Bluetooth (Black) Brand New! POWERGRID is small, slim, thin and can hence fit in any pocket or bag. And apart from being compact and small, theyre more stylish; thus, suited for those who travel a lot or those who spend more time in flights or road trips. In other words, you can easily charge your phone or device battery at any time, regardless of where you are. The quality POWERGRID battery is what makes it noticeable from an overcrowded market. For one, its designed with high-class premium chips that make it a ideal battery in terms of quality. POWERGRID allows people to charge their devices more quickly apart from being a combined charger for all portable devices in the market today. In addition, its more suitable for those with limited time to charge their devices since you can easily use them to charge your gadget even when you are not close to your charging station. Over Discharge Protection. Over Charge Protection. Short Circuit Protection. Over Current Protection Capacity: 2500mAh. Dimension: 96*62*6.6mm. Input: 5V / Outport: 5v,1a Weight: 70g.