USB Tester for Testing and Sorting Low-Quality Cables and Chargers

USB Capacity and Voltage Testing Monitoring Output Voltage / Ampere Output and Power Draw Provides real practical value in identifying whether issues lie with charging cables, wall chargers, car chargers, computer USB ports, or power banks—especially when charging mobile phones and other devices... When you notice extremely slow charging... or device overheating during charging... or wall charger overheating... or no charging at all—you only need to apply and interpret the values and readings below to determine whether the problem originates from the power source itself (wall adapter, power bank, car adapter) or from the cables... You will clearly observe differences in readings, enabling effective identification and sorting of low-quality versus high-quality charging cables... Screen Code Readings and Their Meanings: ◾V / Voltage output from the source ◾A / Amperes drawn by the connected device via the charger ◾T / Time elapsed since connecting the device to the charger ◾mAh / Milliampere-hours of energy consumed by the device How to Benefit from These Readings? Observe the voltage (V): If the reading exceeds 5.3 V or falls below 4.8 V, this indicates a fault in the power source. If the amperage (A) shows a very low value, e.g., 0.5 A, this suggests either a poor-quality charging cable, a faulty adapter, or that the device does not support fast charging. ◾Please note: Voltage and current values automatically decrease as devices approach full charge; additionally, certain devices—such as headphones—draw very low current suited to their requirements. ◾ Reset button to clear previous data and start anew Practical Useful Applications: Testing charger efficiency: Does the charger deliver the required current? Comparing charging cables: Low-quality cables reduce charging speed. Measuring how much energy a specific device consumes over a given period. Additional Specifications: Measures voltage from 4 V to 20 V Measures current from 0 A to 3 A Measures time from 0 to 99 hours ⭕ Price Displayed: SAR 12 Only — Lowest Price ⭕ ✅ Compact, lightweight USB tester with precise measurements and affordable pricing ✅