Overview
The YOJOCK UT003-JP is a versatile USB voltage and current tester with a color display. It measures voltage, current, power, capacity, time, temperature, and resistance in real time. Supporting Quick Charge 3.0/2.0 and USB PD, it's ideal for diagnosing charging performance on smartphones, tablets, and laptops.
Key Features
- Measurement range: 3.60–32.0V voltage, 0–8A current
- Color display for easy reading of multiple parameters simultaneously
- Displays power (W), capacity (mAh), elapsed time, temperature, and resistance
- Compatible with Quick Charge 3.0/2.0 and USB Power Delivery
- Built-in battery allows standalone operation without external power
Compatibility Guide
This tester uses a USB Type-C connector and works with any USB-C charger or cable. It supports Android phones, iPhones with USB-C, iPads, and many laptops. For older iPhones with Lightning, an adapter is needed. For USB-A chargers, use a USB-A to USB-C cable.
Ideal Users
- Anyone wanting to verify charger or cable performance
- Users checking charging speed on their devices
- Those troubleshooting fast charging issues
- Users looking for a quick battery health indicator
Cautions
This is a diagnostic tool, not a calibrated instrument. Readings are for reference only. Do not exceed 8A continuous current. The unit may warm up during extended use; ensure proper ventilation.
Product Disclosure (Amazon)
- Manufacturer: YOJOCK
- Seller: Yojock
- Fulfilled by: Amazon
- Model: YJ-UT03
- ASIN: B07D31V9BM
- Note: This article covers a manufacturer-made product based on Amazon listing details.