Can be taken as electronic constant current load, USB tester, cable detector. 8 in 1 measurement: voltage, current, power, battery capacity, impedance, temperature, energy, time, external waterproof temperature probe. Built-in intelligent temperature control and large power auto protection,safe discharger. Test charger function voltage and maximum current. Universal test all kinds of batteries, all kinds of power supply, all kinds of charger. Fine workmanship and good performance. Easy to use. Long service life.
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