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Best drok usb tester manual – The Winners!


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List of Top 10 Best drok usb tester manual In Detailed


Bestseller No. 1
DROK-300043 Digital Multimeter USB 2.0, Multifunctional Electrical Tester, Capacity Voltage, Current Power Meter Detector Reader with Dual USB Ports, LED Display, 7 Modes
  • 7-MODE USB MONITOR ---- Voltage measuring range DC 3. 20~30. 0v; Current measuring range 0. 00~3. 00A (10A max); Other measuring parameters: Capacitance, power going to your phone/battery pack. With 7 mode, one button to operate.
  • MULTIFUCNTION ---- Can be used for capacitance checking, capacitance clear, over voltage and under voltage alarm, over-current, and short circuit alarm, easily test the power/quality of the chargers and USB cables.
  • DUAL USB OUTPUT ---- Two USB output available, can be used simultaneously. Output I: be used for device charging and data transfer; output II: only for charging mobile phones, tablet PCS and etc. Output I Support QC 2. 0 9V & 12V charging, but don't insert any device in Output II when using QC 2. 0 Charging.
  • DUAL COLOR LED ---- With red and blue dual bright color LED display, easy to monitor the charge voltage and current of digital USB devices to ensure the optimal charge rate.
  • 100% RISK-FREE SATISFACTION ---- DROK offer you 100% risk-free satisfaction to let you buy with confidence.
Bestseller No. 2
12V to 5V DC USB Buck Converter, DROK Dual USB Port Fast Charger Board Auto Power Supply Adapter DC-DC 6-30V 12V 24V to 5V 9V Voltage Step Down Regulator Car Volt Transformer
  • PARAMETER --- Input voltage DC 6-30V; Output voltage default 5V, after triggering quick charging, it will automatically adjusted at 3-12V.
  • OUTPUT CAPACITY --- Rated 2.4A/24W *2
  • OUTPUT PORT --- Dual USB port
  • PROTECTION --- Output over-voltage protection; Input with fuse.
  • QUICK CHARGE --- QC 2.0, QC 3.0, MTK PE 1.1/2.0, Apple, Samsung AFC, Huawei FCP, SFCP
Bestseller No. 3
DROK Copper Alligator Clips with Wire Female and Male USB Connector 13.35 Inches Copper Test Leads Crocodile Clamps for Testing Circuit 2 x 18AWG 3-5A
  • This two test leads are well designed with USB port; one with female USB port, the other with male USB.
  • This testing wire with alligator clips will help transmit DC current to other multi-meters or other usage.
  • Alligator clips can be used in conjunction with the wire as test leads and used for light bulb and power adapter, worked with power bank for testing voltmeters, etc.
  • Made for copper wire and well-made PVC and it can pass 3-5A(max) current during your testing work.
  • High performance, lower resistivity and durable, fast and stable, high-speed output current.
Bestseller No. 4
DROK USB Load Tester with Display, 35W 5A DC Electronic Load Tester, for Power Aging, Battery Discharge, Charge Adapter and Power Bank Test
  • USB Intelligent Electronic Load --- a electronic load, also can used to detect and test the QC2.0, QC3.0, AFC and FCP fast charge adapter, trigger output 5v / 9v / 12v / 20v.
  • Application --- can be used for power aging test, charger factory batch aging test, battery discharge test.
  • Parameters -- rated operational voltage range DC 4.0-25.0V, max discharging power 35W, rated operational current 0.03-5.00A.
  • Safe Protection -- anti-reverse protection, overvoltage protection OVP, overcurrent protection OCP, over-power protection OPP, low-voltage protection LVP, over-temperature protection OTP.
  • Connection Ports --- USB, Micro USB, Type C and external wiring port.
Bestseller No. 5
DROK 090612 Buck Power Converter 12V to 5V 3A DC-DC Voltage Transformer Step-down Volt Regulator Inverter with Type-A Female USB Interface for iPhone iPad Phone Vehicle DVR Recorder
  • 12V to 5V 3A DC power supply converter and USB charger for iPhone iPad mobile phones vehicle dvr recorder, etc
  • Synchronous rectification technology allows high efficiency, low heating and stronger stability
  • With overcurrent, short-circuit, over temperature and reversed connection protection
  • With type_a Female USB Connector; : 96 percent max transfer efficiency
Bestseller No. 6
DROK Dual USB Port Digital Volt Amp Power Meter Voltage Tester, Red_Universal
  • One-input, dual-output; data communication function
  • Supply Voltage, test Voltage: DC 3 2 ~ 10V
  • Test current: 0 ~ 3A (10A maximum, if more than 3A, can NOT work continuously)
  • Display: 0 39 inch
  • USB extension cable: about 120mm; measuring rate: ≥ 500Ms / times; accuracy: 1 percent (± 2 digits)
Bestseller No. 7
DROK 180038 Digital Voltage 10-170 ℉ Temperature Monitor Tester Multimeter Car Motorcycle Battery Voltmeter Thermometer Detector
  • Dual-display: it can display Auto battery Voltage and temperature inside the car simultaneously(this is for Fahrenheit).
  • External temp sensor: the car thermometer inside with external temp sensor allows you to Bend sensor to avoid possible heating/ direct sunshine so that you can acquire more accurate results.
  • Safe usage: the volt temp monitor has built-in fuse, making safe usage possible and causing No damage to your car.
  • Easy reading: it screen is Made of LED material, hence it is easy and convenient for you to read even in Dim light.
Bestseller No. 8
12v to 5v Volt Converter, DROK DC Voltage Regulator Board Power Supply Module, DC 6.3-22V 12 Volt to 5 Volt 3A 15W Waterproof Car Volt Step Down Buck Converter
  • PARAMETER --- input voltage DC 6.3V-22V (12V 9V); output voltage DC 5V; output current 3A; output power 15W.
  • APPLICATION --- 12v to 5v step down converter. Can be used for car audio, LED display; motor, speaker; auto map navigator; hard disk player; media; electric fan; toy cars; air conditioning; solar energy, etc.
  • PROTECTION --- over-current protection; over-temp protection; input reverse connection protection; short-circuit protection; waterproof; dust-proof; moisture-proof; shock-proof.
  • CONVERSION EFFICIENCY --- over 95% max.
  • FEATURE --- high conversion efficiency, low heat generation; aluminum case, good heat dissipation, high safety.
SaleBestseller No. 9
DROK 180037 Digital Voltage 10-170 ℉ Temperature Monitor Tester Multimeter Car Motorcycle Battery Voltmeter Thermometer Detector
  • Dual-display: it can display Auto battery Voltage and temperature inside the car simultaneously(this is for Fahrenheit)
  • External temp sensor: its external temp sensor allows you to Bend sensor to avoid possible heating/ direct sunshine so that you can acquire more accurate results
  • Safe usage: the monitor has built-in fuse, making safe usage possible and causing No damage to your car
  • Easy reading: it screen is Made of LED material, hence it is easy and convenient for you to read even in Dim light

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