DROK best sellers

#1 48v Battery Meter 10 100v DROK 48v Battery Meter, 10-100v Marine RV Battery Capacity Volt Monitor 12v 24v, Lithium Battery Voltage Fahrenheit Temp Indicator Gauge

$17.49 on Amazon

#2 Transistor Tester LCR DROK Transistor Tester LCR Meter, Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector

$34.80 on Amazon

#3 Digital DC Voltage 10 170 DROK Digital DC Voltage 10-170 Degree Fahrenheit Temperature Monitor Car Motorcycle Battery Voltmeter Thermometer 12V 24V Temp Volt Tester Multimeter

$9.99 on Amazon

#4 10K Temperature Sensor DROK 10K Temperature Sensor Probe, 5pcs 1 Meter Waterproof Temp Sensor Probe, Stainless Steel 3950 NTC Temp Sensor Probe, Digital Temperature Transmitter Extension Cable

$9.99 on Amazon

#5 4 20mA Generator Adjustable DROK 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

$26.10 on Amazon

#6 Digital Voltage Temperature DROK Digital Voltage Temperature Monitor, Car Charger USB Charge for Car Battery Voltmeter Thermometer 12V 24V Temp Volt Tester Multimeter

$14.99 on Amazon

#7 24V Power Supply AC DROK 24V Power Supply, AC 110V/220V to DC 0-24V 20A 480W Buck Converter, Variable Adjustable Adapter Regulated 5V 12V 24V Volt Switching Voltage LED Transformer 20A Amp Charger for Computer Lab

$39.99 on Amazon

#8 48V Power Supply AC DROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV

$39.99 on Amazon

#9 Timer Relay Time Delay DROK Timer Relay, Time Delay Relay DC 5V 12V 24V Delay Controller Board Delay-off Cycle Timer 0.01s-9999mins Trigger Delay Switching Relay Module with LCD Display Support Micro USB 5V Power Supply

$13.99 on Amazon

#10 DC Motor Driver L298 DROK DC Motor Driver, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module Industrial 160W with Optocoupler Isolation

$15.99 on Amazon

#11 Signal Generator DC DROK Signal Generator, DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator

$12.99 on Amazon

#12 Battery Monitor Amp DROK Battery Monitor, Amp Volt Power Watt Meter DC 0-300V 200A STN LCD Display Panel Meter, Current Voltage Energy Capacity Ammeter Voltmeter Multimeter Gauge with Hall Sensor, 2.5m Shielde

$39.99 on Amazon

#13 12V Battery Capacity DROK 12V Battery Capacity Monitor, 10-100V 24V 36V 48V Digital Battery Status Tester Meter, Remaining Percentage Level Voltage Fahrenheit Temperature Power Indicator Panel Gauge for Marine RV

$16.69 on Amazon

#14 Charge Discharge Meter DROK Charge-Discharge Meter, 0-90V 100A DC Voltage, Amperage, Power, Battery Capacity Amp-Hour Watt-Hour Time Multimeter, LCD Digital Volt Current AH WH Watt Tester with Hall Sensor 2m Shielding Wire

$30.55 on Amazon

#15 Frequency Generator DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module

$13.99 on Amazon

#16 Voltage Amp Meter DC DROK Voltage Amp Meter DC, Battery Monitor DC 0-300V 200A, Ammeter Voltmeter for Solar System Setup Power Energy Capacity Volt Current Detector Panel with Hall Sensor

$36 on Amazon

#17 🔥 Charge Discharge Monitor DROK Charge-Discharge Monitor, 0-90V 100A DC Ammeter Voltmeter, Battery Capacity Amp-Hour Watt-Hour Power Time Multimeter, LCD Display Digital Voltage Current AH WH Watt Meter Tester with Hall Se

$30.55 on Amazon

#18 Bidirectional Volt Amp DROK Bidirectional Volt Amp Meter, DC 0-90V 300A Voltage Current Battery Capacity Amp-Hour Watt-Hour Power Time 7-in-1 Monitor Tester Color LCD Display Multimeter with Hall Sensor 50cm Shielding

$33.30 on Amazon

#19 Coulometer DC 8 100V DROK Coulometer, DC 8-100V 100A Battery Monitor 12V 24V 36V 48V 60V Volt Amp Watt Meter, 2.4 inch LCD Color Screen Capacity Percentage Time Power Voltmeter Ampmeter for RV Solar Panel Battery Charge

$49.99 on Amazon

#20 USB Tester USB A USB C DROK USB Tester, USB-A USB-C 2.0 Multimeter Dual USB Ports PD QC 3.0 with Color LED Display Battery Charger Monitor, 7 Modes Capacity Voltage Current Power for Laptop Power Bank Solar Panel

$16.99 on Amazon