★Smart digital USB meter can be used to test voltage, current, capacity, temperature, recording charging status etc.
★LCD data at a glance, detect the 3C equipment you use in real time to avoid acciually clear it.
【Button Function】: Long press the reset button for fast timing, and clear the capacity.
【Connection】: Plug the USB male plug into the charger, and connect the USB cable to the output port of the tester. Support fast charge detection QC2.0.
【Power-Off Storage Function】: temporarily stores the current capacity and energy when power is off, which is convenient for subsequent viewing. The capacity and energy currently used are accumulated when the power is turned back on. If you do not need to accumulate, you can manually clear it.
Note:
Click the button once to view the saved group data (Time, Wh, mAh). Press and hold the button for 3 seconds to clear the current data (Time, Wh, mAh) of a single group.