Keweisi USB current meter tester
Keweisi USB current meter
USB battery tester of mobile devices, reads the current and voltage parameters directly.
Measurement method
1) Connect the USB (IN) input port to the charger
2) Connect the USB OUT port to the mobile phone
Features
- Model: KWS-V20
- Material: plastic.
- Color: blue, gray
- Dimensions: 59 x 23 x 13, 5 mm.
- Power supply: AC
- Voltage: 4-20 V +/- 1%.
- Current: 0-3 to +/- 1% .
- Duration: 0-99 hours.