iRola 1800MAH Credit Card Size Portable Wallet External Power Bank for Samsung, Motorolla, Droid, and Most Android Phones with Micro USB Port - Black Credit card sized and lightweight powerbank with USB cable at end for charging "on the go". Enjoy a 1.0A output delivering fast efficient charging to desired devices. LED charge indicator let's you know when your device is charging. Includes built-in surge, overheat, and over-charge protection. No need for any additional cables as your device recharges easily via the micro USB port. You can continue to rely on Electro-Deal to offer the markets most competitive prices, paired with industry leading customer support, and all backed by a one year, full manufacturers warranty on new products or a 90 day limited warranty for refurbished products!