Please consider Micro USB Cable w/ Switch as alternative product
Especially designed for Raspberry Pi / Android Tablet / Android cell phone / Android mini PC and so on. You don't have to unplug the cable when you don't need to charge for raspberry Pi / Android Tablet / cellphone etc.
Compatible with Raspberry Pi A+,B,B+/2.
USB Switch Charging
Cable Material: Plastic
Length: 150 cm