LCD backlight digital USB current voltmeter charging capacity tester detector

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Seller: selin_4594 (237) 99.2%, Location: 深圳市, Ships to: Americas, Europe, Asia, AU, Item: 173793080532 Reminder:1, this baby has been corrected at the factory, can be used immediately after hand!2. A protective film is attached to the screen, and a smooth screen surface can be seen after being torn off. 1. Product Features: Simultaneous display of voltage and current and mAH data for easy viewingCan detect mobile power output mAHMultiple sets of test data are saved, power-down save functionDoes not affect data transmissionHigher precision, the current parameters will not jumpUSB male and MicroUSB ports are dual-powered to detect MicroUSB line qualityCurrent sampling 25 milliohms, less lossWith precision current calibration, current accuracy is higher (it has been calibrated at the time of shipment) 2, performance parameters:Input voltage: 3V-15V (actually within 15V)Voltage resolution: 0.01VTest current: 0.05A-3.50ACurrent resolution: 0.01ACapacity range: 0-19999mAHAccuracy: plus or minus 1%Line loss: about 0.1 ohmTest content: battery voltage, current, discharge capacity (total 10 sets of data) 3, function introduction: 3.1, measuring voltage and current:The USB male plugs in the 5V charger, and the female socket is inserted into the mobile phone and other devices to directly read the voltage and current parameters. 3.2, measuring the quality of the MicroUSB line:Insert the mobile phone and other equipment, first use the male plug of the machine to plug in the 5V charger, remember the voltage, then use the MicroUSB cable to plug in the MicroUSB hole from the 5V charger. Remember the voltage, the smaller the voltage gap, the better the quality of the MicroUSB cable. . 3.3. Measure the output capacity and efficiency of mobile power:First connect the unit to the mobile power, turn on the mobile power, long press the button until the capacity data is zeroed, insert the phone to charge multiple times until the mobile power is turned off automatically. The display capacity is the mAH of the mobile power output when the unit is turned on next time. Note that this mAH is much smaller than the nominal mAH, output mAH* output voltage 5V / battery mAH * battery voltage 3.7V = mobile power efficiency. 3.4, data switching:Click the button to switch to the next set of data, and double-click the button to switch to the previous set of data. 3.5, the data is cleared:Press and hold the button for more than 3 seconds to clear the group data.Shipping: Item will be shipped within 1 working day after full payment is received USA via EUB with tracking number, 7-30 Working days. UK / Auatralia / Canada ,15-35 working days. Europe , 15-35 working days. ther Countries, 20-45 working days. if you want receive it quickly .please contact us to choose expedited shipping way . We only ship to the approved address given in PayPal payment Please be sure your PayPal address is correct Any non-received item cause by an invalid address registered on PayPal are not in our full refund or replacement policy Payment: We accept only PayPal payment Please contact me for any question you may have during transactio Feedback: Positive feedback will help me Before a negative or neutral feedback, please contact me for the best solution I will be on line during all day for a best service and communication Condition: New, Country/Region of Manufacture: China, Voltage Range: 3V-7V, MPN: Does Not Apply, Display: Digital, Brand: ykh

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