Current And Voltage Tester USB Charging Monitor for Mobile phone Power Banks & Other USB Charging device, Measure the output current(0A-3.3A) and voltage(4V-9V) of a USB power supply. With the multimeter you could know clearly the charging status of your phone or tablet and distinguish bad chargers and cables.
USB Charger Doctor, with the time (0-99hours) and capacity storage(0-99999mAh), you could also measure the total capacity in mAH
Press and hold the RESET button to reset
Smart little gadget - a necessity for modern tech fellow. If you need a solar charge controller, please follow this link: http://a.co/43YBdMz
No battery, no on/off switch, plug and play.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.1 inch
Height : 0.5 inch
Length : 4.7 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B01K4EQEZG