USB Power Tester KWS-V21, USB Tester Voltmeter Ammeter Power/Capacity/Mobile Power Testing Tool for Wall Chargers

USB Power Tester KWS-V21 USB Tester Voltmeter Ammeter Power/Capacity/Mobile Power Testing Tool for Wall Chargers

USB Power Tester KWS-V21, USB Tester Voltmeter Ammeter Power/Capacity/Mobile Power Testing Tool for Wall Chargers

Specification: 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 0.1O 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

Key Features

• ✅ Product Brief: With reset button, press 3-5 seconds can make that the screen will be cleared.
• ✅ 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.

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