Ensure your devices never run out of precious juice again with the tech power 2200 mah power bank the handy gadget can charge any phone to almost full battery the portable phone charger features a usb port and a mini usb connector allowing you to charge multiple devices a compact and portable design allows you to carry the phone charger around so whether youre out and about or at work the power bank is ready to use when that dreaded low battery warning appears mr key features t