Variable Backlight USB Tester With LCD Display And USB C And USB A Multimeter, Voltmeter Amp Power Meter Battery Capacity Tester Internal Resistance And Battery Level Indicator For Laptop Tablet Phone Power Bank
✔️ Three display modes with one button; VAΩT/VAWmAh/VAWmWh, single unit
Compact, handheld USB meter with adjustable backlight LCD that measures voltage, current, power, energy, resistance, and capacity. It's ideal for charging devices like laptops, tablets, phones, and power banks while monitoring battery health and charging performance.
✅ Voltage: 3.20-30V, resolution 0.01V (<10V) or 0.1V (≥10V); Overrange: H
✅ Current: DC 0.00-5.00A, resolution 0.01A
✅ Power: 0.00W~999kW, decimal auto-shift; Overrange: H
✅ Internal resistance: 0.000~999kΩ, decimal auto-shift
✅ Capacity test: 0000 mAh ~ 99999 mAh ~ 9999.9 Ah
✅ Energy test: 0000 ~ 99999 mWh ~ 9999.9 Wh ~ 99999 Wh
✅ Charge timer: 00:00-999:59; Overrange: H
✅ Output/Input: USB A/C input and USB A/C output; supports PD/QC
💡 What is a USB tester used for in charging and battery monitoring?
These handy meters help diagnose charging behavior and monitor battery health in real-world scenarios. - Verify voltage and current during charging sessions- Check PD/QC compatibility and charging speeds
- Track capacity and remaining energy over time
- Compare performance across cables and devices
✝️