USB Charger Doctor Inline Voltmeter and Ammeter
Description:
USB Charger Doctor is a compact and handy inline device that measures both voltage (V) and current (A) flowing through a USB port. Simply plug it between your USB power source and device to monitor real-time charging performance. Ideal for troubleshooting slow charging, testing USB ports, or verifying power output from power banks and adapters. Supports a voltage range of 3.5V to 7V and current up to 3A.
Features:
1. Voltage and Current Measurement
2. LED Display
3. Compact and Portable Design
4. Easy-to-Use
5. Overload Protection
6. Test USB Cables and Power Banks:
Diagram:
Specifications:
| Input Voltage | 4.5V to 5.5V |
| Output Voltage | 5V |
| Current Measurement Range | 0.00A to 3.00A |
| Accuracy | ±0.05V |
| Color | blue LED display |
| Dimensions | 50mm x 20mm x 10mm |
| Weight | 10 grams |
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