Sign up for Color LCD USB Tester Voltmeter Ammeter – Monitor Voltage & Current For Phones, Power Banks, Chargers
Color LCD USB Tester Voltmeter Ammeter – Monitor Voltage & Current For Phones, Power Banks, Chargers
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$ 5.00
Description
Ever wondered if your charger is actually delivering the power it promises?
This little USB tester shows you exactly what’s happening.
Plug it between your USB power source and device, and the color LCD instantly displays voltage (3.2-10V), current (0-3A), power, and even accumulated battery capacity.
It’s super accurate (0.01 precision) and works with phones, power banks, car chargers, solar chargers, tablets, and laptops.
The ABS shell is tough and compact—just 2.8 x 1 x 0.4 inches—so you can toss it in your bag or toolkit.
No external power needed; it draws a tiny bit from the USB connection.
Perfect for tech enthusiasts, DIYers, or anyone who wants to check if their cables and adapters are up to par.
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