Top 10 Best Drok

of November 2024
1
Best ChoiceBest Choice
DROK Coulometer, DC 8-100V 100A Battery Monitor 12V 24V 36V 48V 60V Volt Amp
DROK
DROK
10
Exceptional
View on Amazon
2
Best ValueBest Value
Voltage Amp Meter DC, DROK Battery Monitor DC 0-300V 200A, Ammeter Voltmeter
DROK
DROK
9.9
Exceptional
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3
Charge-Discharge Monitor, DROK 0-90V 100A DC Ammeter Voltmeter, Battery
DROK
DROK
9.8
Exceptional
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4
Timer Relay, DROK Time Delay Relay DC 5V 12V 24V Delay Controller Board
DROK
DROK
9.7
Exceptional
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5
DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant
DROK
DROK
9.6
Exceptional
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6
Battery Capacity Monitor, DROK 10-100v Battery Meter, 12v 24v 48v Battery Power
DROK
DROK
9.5
Excellent
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7
Voltage Boost Converter, DROK DC 8-60V to 10-120V 15A Numerical Control Step Up
DROK
DROK
9.4
Excellent
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8
DROK 180043 USB Multimeter, DROK Pocket Digital Multimeter USB 3.0 Hub, OLED
DROK
DROK
9.3
Excellent
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9
Adjustable Voltage Regulator, DROK DC to DC 5.3V-32V to 1.2V-32V 12V Power
DROK
DROK
9.2
Excellent
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10
4Ohm 40W HiFi Subwoofer, DROK 2PCS 4.5inch Square Stereo Audio Loudspeaker Dual
DROK
DROK
9.1
Excellent
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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

Parameter --- Voltage Range 8-100V Current Range 0.05-100A Power 0-50KW Capacity 0.1-99999AH Voltage Accuracy 12digits Current Precision 0.52digits Measure Speed 20 Times.. Display --- This coulometer is equipped with 2.4 inches LCD high precision color screen. Bigger size and higher contrast, easily and clearly to read the parameters whenever at night and day, indoor or outside, even under the sunshine.. Backlight Alarm --- After turning on LBR function, when the remain capacity is lower than 20 or voltage is lower than LVP the backlight will flash to alarm. The backlight will also flash when charging current is higher than STIthe current value for turning off screen.. APPLICATION --- can be used as battery charge discharge tester meter coulometer for automotive and car battery as battery capacity monitor for solar panel as voltage meter, ampere meter, power meter for RV Boat, etc.. Warranty --- This coulometer has totally one-year long period warranty guarantee since you get the item..

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

Multifunctional Meter DROK multimeter panel is available to measure percentage and AH of remaining capacity, DC positive and negative bidirectional current, DC voltage, DC positive and negative power, DC positive and negative bidirectional accumulated electric energy. Voltage measurement range is DC 0-300V, current measurement range is 0-200A.. Hall Sensor Easy Mount the voltage amperage meter is coming with a Hall transformer to for isolated measurement, reliable and safe accepting two-wire system connection and three-wire system connection, could be powered DC590V, easy and simple to wire this meter up.. Display backlight can be controlled to be ON or OFF as users need Equipped with full angle of view LCD screen, users could see the display clearly whenever at night and day, indoor or outside, even under the sunshine.. Alarming Function it will alarm and flash to draw your attention when the real voltage is higher or lower than preset alarming voltage and real current is higher than preset current It will also alarm and flash to remind you to charge for your device when the remaining capacity of battery is low.. Wide Applications Can be used as dc amp meter, digital volt meter, power meter, battery capacity monitor. Suitable for all kinds of batteries, such as Lead-acid batteries, Lithium Polymer batteries, lithium iron phosphate batteries and etc. With function of storing date when power down, using this meter, no need to worry that your electric data will be lost..

Charge-Discharge Monitor, DROK 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 Sensor

7-IN-1 MULTIMETER --- measure and display voltage 0-90V, current 0-100A, power, battery capacity, amp-hour, watt-hour and time simultaneously.. APPLICATION --- can be used as battery charge-discharge tester meter for automobile and car battery as battery capacity monitor for photovoltaic system as voltage meter, current meter, power meter, etc.. BIDIRECTIONAL AMMETER --- the multimeter can detect current in dual direction without changing the wiring direction when used for monitoring charging and discharging.. PROTECTION --- over-voltage protection, over-current protection, over-power protection, over-charged protection, time limitation, etc.. OTHER FEATURES --- LCD color display AH power off memorized function time AH resettable calibration function automaticallymanually switch off LCD screen with output control button to enabledisable output requires a relay..

Timer Relay, DROK 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

DROK timer relay operating voltage range is DC 6-30V, support micro USB 5.0 V power supply support high level trigger 3.0v-24v and low level trigger 0v-0.2v timing range is 0.01s9999mins, can be continuously adjustable..

DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant Voltage and Constant Current Buck Module, DC Regulated Power Supply, Stepdown Adjustable Voltage Regulator

Adjustable Voltage Current --- Input Voltage is 6.0-55V Output Voltage is 0.0-50V Output Current is 0.000A-8.100A Output Power is 0-400W can be arbitrary adjusted.. Intelligent Cooling Fan --- when temperature is over 50 or current is over 2A, the fan will be activated automatically.. Protection --- Hardware Protection input anti reverse-connect protection and output short circuit protection. Software Protection over voltage protectionOVP, over current protectionOCP, over power protectionOPP, over temperature protectionOTP, input low voltage protectionLVP.. OAHOPHOHP Function --- when the recorded capacityenergyoperation time is higher than the setting maximum capacityenergytime, the power supply will automatically turn off output, and OAHOPHOHP will flash on the screen.. LCD Display --- the module status reader is designed with LCD screen, clear and convenient..

Battery Capacity Monitor, DROK 10-100v Battery Meter, 12v 24v 48v Battery Power Percentage Voltage Fahrenheit Temperature Indicator Gauge

Applicable Battery Type --- DROK digital battery monitor is suitable for 10-100V 12v 24v 36v 48v 60v lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery.. Application --- Can be used as battery voltage meter, battery capacity tester and temperature indicator panel for car, marine, RV, boat, etc.. Temp Gauge in F. --- The temperature indicator can display in Fahrenheit.. The One You Want --- Easy to install and use. Allows you to program the percentage with a corresponding voltage.. Default --- 12 volt lead acid battery..

Voltage Boost Converter, DROK DC 8-60V to 10-120V 15A Numerical Control Step Up Voltage Current Adjustable Regulator Constant Module Output 48V 24V 12V Power Supply with LED Display Heat Sink

Parameter --- Input voltage DC 8-60V Output voltage DC 10-120V Input current 0-15A Output current 0-15A.. Realtime LED Display Indicators --- The transformer board is designed with bright 4-digit LED to display output voltage, current at default simple mode. By manual setting to fully functional mode, the stabilizer would show more parameters, such as power and capacity. Also the board is equipped with working indicators to show real-time working status.. Data Save --- The boost converter can save up to 10 sets of parameter settings. Its easy to save and very convenient to call out parameters at any time you would like to.. Wide Application --- The step up power converter does great for wind power, DC generators, solar panels to charge battery, and it also can be made as a boost power supply to power devices.. Notes --- 1 No big difference between input and output voltage. Otherwise the power loss will increase then the actual output may not be as what expected 2 Actual output current is mainly decided by the load. Converter can only set a limit on output current 3 When powering high-power appliances, please turn off the automatic output function, correctly connect the converter, and then press the OK button to output. After the voltage rises to the set voltage, turn on the appliances..

DROK 180043 USB Multimeter, DROK Pocket Digital Multimeter USB 3.0 Hub, OLED Display DC 13V Voltage Ampere Power Capacity 4in1 Multi Tester

3 MODE USB MONITOR Our sophisticated versatile USB digital multimeter kit is a utility tool for measuring voltage, current, capacity and power via your phonebattery. One button achieve the switching of 3 different modes direct mode, quick charging mode and disconnected mode, super simple to evaluate whether the USB charger are outputting acceptable voltagecurrent to your device.. HIGH QUALITY OLED DISPLAY 0. 91 OLED screen has the advantages of high brightness, high resolution, stable and clear digital display, low power consumption. The USB meter has large screen for four values displaying simultaneous black background and bright white font, clear and easy to read.. MULTIFUNCTION The feature-rich multiple USB detector has 7 different functions screen rotation, screen closing, capacitance unite switch, capacitance storage, current zero calibration, over- and under-voltage alarm, operating mode selection. The multimeter not only can detect the powerquality of the chargers and USB cables but also support QC 2. 0 fast charging.. WIDE APPLICATION The handy USB tester can be applied to many electric devices, such as mobile phone, portable power bank, tablets, pad, camera. However, please NOTE that this tester cannot be used for inductive load, like the load with motor and fan, relay.. ORDER NOW Are you still worried about the quality of your charger cable Do you know the power use of raspberry pi or Arduino board or the performance of your solar charger in different conditions The USB digital multimeter with 7 different functions can help you. So don't hesitate to click Add to Cart..

Adjustable Voltage Regulator, DROK DC to DC 5.3V-32V to 1.2V-32V 12V Power Supply Module, 12A LCD Step Down Volt Transformer 160W CC CV Buck Converter Reducer

DROK power supply module input voltage range is DC 5.3-32V output voltage range is DC 1.2-32V, can be arbitrary adjustable output current can be 8A for long term use, if enhance heat dissipation, it can reach 12A max output power is 120W, if enhance dissipation, it can reach 160W.. LCD Display the buck converter is designed with LCD, can display input and output voltage, output current and output power voltage display resolution is 0.05V, current display resolution is 0.005A.. Safe Protection the voltage regulator module is with reverse connection protection at input terminal, reverse connection will not burn short circuit protection.. Application the volt conversion board can be used as an ordinary buck module with over-current protection used as a high-power LED constant current driver module DIY a solar power controller, etc.. Button Control button control output voltage ON OFF status, and you can set the default output state is ON or OFF of the next time power-on..

4Ohm 40W HiFi Subwoofer, DROK 2PCS 4.5inch Square Stereo Audio Loudspeaker Dual Magnet DIY Loudspeaker with Bass for Desktop Computer Speakers

Parameters---rated power is 40W impedance is 4 ohm sensitivity is 87dB frequency is 66Hz-2KHz.. Neat Square Subwoofer---the 4.5inch speakers are in square-shape with outer diameter 120mm screw holes diagonal pitch 124mm height 74mm hole diameter 111mm magnet diameter 80mm.. Anti-magnetic Design--the subwoofers are anti-magnetic and interference-immune therefore can bring you comfortable listening experience.. Dual Magnet--- the magnets can increase the sensitivity of the speaker therefore convey clearer and more powerful sound.. Excellent replacement---the woofers are uniquely designed with dual well-performed magnets, flax fiber cone, 20mm voice coil and Germany-made rubber coil, all of which will make the sound louder,clear, richer and stronger, and therefore perfectly replace your original woofers..
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