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18650 Lithium Battery Capacity Tester Internal Resistance Detector Four-way Power Automatic Charging and Discharge Module Type-c End

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18650 Lithium Battery Capacity Tester Type-C Port 8-Channel 3.7V Lithium Battery Capacity Internal Resistance Detector

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AC-DC SWitching PoWer Supply Module 10W AC 220V to Dc 5V/12V Micro Volume Isolated Regulated SWitching PoWer Supply