Description
Summary【RESET BUTTON DESIGN】: USB power tester has designed with reset button, and you can press 3-5 seconds to make the screen cleared, and this USB Voltmeter Ammeter can bring you good using experience.【REAL-TIME TESTING】: USB power tester can measure USB charging voltage, current and discharge capacity over time, which is 100% brand new and has high quality assurance.【MEMORY FUNCTION】: USB power tester support empty display with memory function after power off, and the power tester can be used to check the performance of USB cables, wall chargers, car chargers and power banks.【FAST CHARGER AVALIABLE】: USB power tester is compatible with fast-charger, which can work under up to 20V, and the power tester does not interfere with fast charge negotiation, will be good helper to you.USB Voltmeter Ammeter Power Tester KWS-V21 USB Tester Power Capacity Mobile Power Testing Tool Description Feature: 1. USB power tester can measure USB charging voltage, current and discharge capacity over time.
2. Such tester can be used to check the performance of USB cables, wall chargers, car chargers and power banks.
3. Compatible with fast-charger compatible, power tester can work under upto 20V and it does not interfere with fast charge negotiation.
4. Empty display with memory function after power off, power meter is with high performance according to strict rule.
5. With reset button, press 3-5 seconds can make that the screen will be cleared .
Spec: Item Type: USB power tester
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 chargers 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
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