We can use iPhone 4 battery case to charge our iPhone 4 on the go, while some of battery cases can also color our device such as MiPow’s Maca Air Color iPhone 4 battery case.
Maca Air Color is a slim designed iPhone 4 case that measures 127 x 61.6 x 13.3mm and weights 105g. The protective case features a transparent frame with clear detachable top cover in order to protect the iPhone 4 from bumps and scratches. And the iPhone 4 case comes with built-in 1200mAh backup battery to provide you 180 hours of standby time, while the Mac Power button styled indicator shows you the status of the backup battery. Apart from that, the battery case also ships with an iPhone dock.
MiPow Maca Air Color iPhone 4 battery case is available in 8 anodized metallic backings in different colors, including light blue, gray, gold, green, navy blue, purple, black and red, each one is priced at $69 USD. If you’re interested, jump to MiPow official site or Amazon for more details.