Meet Maca Air Power Case's older brother. He sure likes boasting about it too: lighter in weight and featuring a 2200mAh battery, he provides a whopping 300hrs standby time. This Maca 2200 Power Case will charge your iPhone when the dreaded red 9% battery alert appears. It's features an On-Off button so that you can save your juice until the make-or-break moment. It's like that "Push Only in an Emergency type of situation, only this time you won't block any city escalators or make a cross-country train unnecessarily screech to a halt.
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. Charging time 4-6 hours. Compatible with iPhone 4 and 4S.