Compara los mejores precios de HiLetgo LCD USB Current Voltage Doctor Charger Capacity Tester Meter Power Bank este Black Friday

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Display: Simultaneously display Amp and Volt in real-time. Measuring Range: Voltage 3-9V, Current 0-3A, Accuracy: +/- 1%. Memory function: The working time and Capacity have Memory function when power off. Reset: Press and hold the RESET button for 3 seconds to reset. Widely used: Perfect for testing phone, power bank, solar charger, car charger, tablet, computer, note book and so on