This tester is specially designed for Power bank, portable charger for mobile phones, computer, etc.
It tests the capcity, charge discharge efficiency, cycle life, etc.
pls see the picture, it's different from our battery testers for its two ports.
One of the port is Charging port, the other is discharging port.
They are connected to the two ports on Portable Power bank.
By this small change, you can test the power bank and see its charging and discharging curve and Check whether it's qualified or not.
Voltage range: 12mV-6V, Current Range: 8mA-4A
recording rate: 1HZ
Accuracy: 0.2%
* our testers are customizable.