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Review on Digital USB Port ABC Tester, Voltmeter, Ammeter, Milliamp Hour, Time (V, A, mAh, T-time) by Radko Marinov ᠌
Reliable purchase, guaranteed to be a good purchase.
Everything is good and the accuracy is sufficient for a general assessment of the performance of devices. In the photo, the measurement result from PowerBank at 11.8Ah
Pros
- cool stuff You can measure both the PowerBank capacity and the residual battery of the phone
