- For iOS/Mac/Android/windows/Charge/PowerBank
- Easy to measure the output current and voltage of USB power supply with the multimeter you could know clearly the charging status of your phone or tablet ams distinguish bad chargers and cable.
- With the time ans capacity storage, you could also measure the total capacity in mAh.
- No battery, no on/off switch, plug and play.
- Detection range : Voltage DC 2.8-30V =0.1% , Capacity : 0-99999mAh, current DC 0-5A =0.1%, Time 0-99H (Unite : Minute)