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

Description

USB Capacity and Voltage Testing Monitor Output Voltage / Ampere Output and Power Draw Provides real value in identifying whether issues lie with charging cables, wall chargers, car chargers, computer USB ports, or power banks—specifically those used for charging mobile phones and other devices... When you notice extremely slow charging...or device overheating during charging...or the wall charger getting hot...or no charging at all—you only need to apply the values and readings below to identify and understand 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) reads very low—e.g., 0.5 A—this suggests a poor-quality charging cable, faulty adapter, or that the device does not support fast charging. ◾Note that voltage and current readings automatically decrease as devices approach full charge, and some devices (e.g., headphones) draw only minimal current suitable for their operation. ◾ Reset button to clear previous data and start anew Practical Useful Applications Test charger efficiency: Does the charger deliver the required current? Compare charging cables: Poor-quality cables reduce charging speed. Determine how much energy a specific device consumes over a given period. Other Specifications Measures voltage from 4 V to 20 V Current range: 0 to 3 A Time range: 0 to 99 hours ⭕ Price displayed: SAR 12 only—lowest price ⭕ ✅ Compact, lightweight USB tester; precise measurement; affordable price ✅