-Crazy Long Battery Life
-Adds Drop Protection
-Charge Adapter is Stnd Micro usb
Weaknesses:
-Need to remove the cover for data connect
-A bit Heavy
-Leds on Back are bright and flashing when charging at night
-Leds are always full on back even after a long day of use, need to remove from phone to actually check state
Summary:
Will take you through a full day of taking, surfing.A little heavy, but still was a good value for what it does.
Doubles the battery life of your iPhone 4.
Cool LED light on the rear showing the battery life.
Weaknesses:
Casing looks cheap and not durable. I had an otterbox case but decided to try this because I needed more battery life to get me through a day's work. In the end I'd rather keep my phone well protected and have to plug it in during the day.
Summary:
Fine if you aren't hard on your phone. I unfortunately am!