Thanko – High-capacity 3,200mAh battery built-in thin smartphone case for Galaxy S4
Thanko has just released a high-capacity 3,200mAh lithium polymer battery built-in smartphone case for Samsung’s Galaxy S4. It’s only 17mm thick and weights 90g.
Using a microUSB cable, you are able to sync and charge your Galaxy S4 without taking off the battery case. When you charge your Galaxy S4 with the battery case on, the Galaxy S4 gets charged first and then the battery case starts getting charged next.
LED light on the battery case tells you the remaining battery level.
Price: ¥3,280 (including tax)
Color: black, white
Size: 74x148x17 mm
Charging time: Approx. 5 hours