USB Power Tester KWS-V21 power meter Voltage current Capacity tester Mobile Power Testing Tool for Wall Chargers
Advantage: Compatible with fast-charger compatible, power tester can work under up to 20V and it does not interfere with fast negotiation.
Great Performance: Empty display with memory function after power off, power meter is with high performance according to strict rule.
Practical Tool: Can measure USB charging voltage, current and discharge capacity over time.
Extensive Usage: Can be used to check the performance of USB cables, wall chargers, car chargers and power banks.
Product Brief: With reset button, press 3-5 seconds can make that the screen will be cleared.
Model: KWS-V21
Voltage: Input / Output Voltage: 3.5-20v, Voltage Resolution: 0.01V
Current: Input / Output Current: 0-3.3A, Current Resolution: 0.01A
Accuracy: ±1%
Line Loss: Aabout 0.1Ω
IN: Input is connected to the charger's output port.
RESET: Reset button, press 3-5 seconds, the screen will be cleared.
OUT: Output terminal is connected to the data line USB port.
Input Voltage Display Window: 3.5-20V
Charging Current Display Window: 0-3.3A(accuracy + 1%)
Battery Capacity Display Window: 0-99999mAh
Working Time Display Window: 0-99min working time and empty display with memory function after power off
Voltage Range: 3.5-20V
Maximum Current: 3.3A
Resolution: 0.01V, 0.01A, 1mAh
Package List:
1 x USB Power Tester