Meet Maca Air Power Case’s older brother. Lighter in weight and featuring a 2200mAh battery, the Maca 2200 Power Case provides a whopping 300 hours of standby time. Not only will he charge your iPhone, he also features an on-off button so that you can save your juice until the very last make-or-break moment before flipping on.
Provides 300 hours more standby time. 2200mAh battery. Slimmest power case out there. Includes a Micro USB cable to recharge and sync with iTunes. Battery level indicator and charging status indicator. Weight: 115g. Cycle life: 500 times. Lithium-polymer battery. “Made for iPhone”-certified by Apple Inc. Compatible with iPhone 4 and 4S.