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AJMRTC USB LCD Current Voltage Tester Meter, USB Power Capacity Detector, Multimeter Doctor for Testing Charger Power Bank Cable Output Parameter
- - Clear LCD real-time display of voltage, current, power, capacity and charging time data
- - Plug-and-play design, no extra driver needed, easy to insert between USB charger and device
- - Monitors charging performance of power banks, USB adapters and charging cables quickly
- - Compact lightweight body, portable for lab testing, DIY electronics and daily charging inspection
- - Built-in data hold function to record test results for comparison of different power supplies
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Overview
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AJMRTC USB LCD tester, also known as USB doctor meter, is a practical tool to check the output status of USB charging equipment. Once connected in series between your USB power source and the load device, the LCD screen can continuously show core parameters including real-time voltage, current, power, cumulative capacity and working duration. It helps you verify whether power banks, wall chargers and charging cables deliver rated output, identify faulty cables or underperforming adapters, and estimate battery charging capacity. It adopts simple pass-through USB connection and works instantly without software or complicated setup. Its small form factor fits into tool bags for on-site testing and electronic DIY debugging. It is widely used for testing phone chargers, power banks, USB cables and small 5V electronic projects.
- Brand: AJMRTC
- Display: LCD Screen
- Test Items: Voltage, Current, Power, Capacity, Time
- Interface: USB A Male to USB A Female
- Working Voltage: DC 3V 7V
- Max Current: 5A
- Function: Charging parameter detection, capacity recording
- Operation: Plug and Play
- Application: Power bank, USB charger, charging cable testing
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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