We have introduced many practical backup batteries. But if you like those vibrant colors, MiPow’s Power Tube backup battery may be able to draw your more attention.
The Power Tube is a portable backup battery that measures 93.5 x 30.4 x 21.4mm and weights 83g. As we can see from the images, the backup battery features ultra portable design, durable metallic casing along with gorgeous color, and comes with a built-in 3000/4000/5500mAh rechargeable battery, using built-in 30-pin charging cable, you can conveniently charge your iPhone, iPod touch and iPad, while integrated USB charging cable can also connect with other USB device for charging. Apart from that, LED indicator shows you the battery status.