This Kit Power Bank 12,000 mAh Essentials Range Black Power Bank charges your smartphone or tablet wherever you are. It’s perfect for keeping with you at all times for when you find yourself low on power. Its rechargeable high-capacity battery is compatible with many devices, with 2 USB outputs for use with other charge cables – and it can charge two devices at the same time. The 2.1 A output is perfectly designed for charging tablets. The long standby time allows you to keep handy for emergencies, and the compact design is convenient for storage.