Power Bank Case

ual USB Power Bank Case is a brand new and high-quality Case. This USB LCD power bank battery shell has an LED indicator, showing charging status and on/off status. This 18650 power bank battery box has an electricity-saving function. 8 x 18650 power bank case is the best environmentally friendly and economic efficiency. This wireless power bank case has two USB output for charge mobile phone, MP3, MP4, tablet2 LED light reminds stock energy.

KEWEISI USB Volt Amp Meter Mobile Charging Current Voltage Detector Tester KEWEISI Double USB for Output 3-9V 0.1-3A USB Tester is USB Current Voltage Meter Battery Tester measures and displays current and voltage simultaneously. USB Current Voltage Meter Battery Tester is also known as USB Doctor. This can easily measure the operating current of the output voltage of the USB port and equipment 2.