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DROK DC8-63V 12V/24V/36V/48V LCD Lead-acid Battery Capacity Tester Gauge Panel Battery Statue Indicator Monitor Electric Quantity Detector ReaderParameters: Working voltage(conventional): 8-63V DC Working voltage(low): 5-12V DC Working power consumption: Max 5mA Standby power consumption: Max 120μA Sleep power consumption: Max 20μA Voltage accuracy: ±1.0 % Using ambient temperature range : 10-40℃ Instruction: 1) Power off the indi...$10.47$10.47
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12 Volt Digital Voltmeter, DROK 0.56" DC 3-30V 12v Voltage Tester Gauge Green Bright LED Display Two Wires Volt Meter Detector for Solar Battery Monitor Checker Car Motor Panel MountTechnical Parameters: Dimension: 48×29×22mm Cutting size: 46×27mm Measuring voltage range: DC 3-30V Maximum input: DC 30V (if the input voltage is higher than DC30V, the voltmeter will be burnt) Minimum input: DC 3V (if the input voltage is lower than DC 3V, the value will be inaccurate or not displ...$8.77$27.09
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DROK 090487 PWM DC Stepper Motor Speed Controller Pulse Width Modulation Stepless Control Module DC 10-60V 30A 600W Switch Dimmer GovernorParameters: Operating voltage: DC 10-60V Max Current: 30A Control Power: 600W (MAX) Static Current: 0.02A (standby) PWM duty cycle: 5% -99% (stepless) PWM Frequency: 19khz Features: 1. Its anti-dust potentiometer can separate from the board and you can use cable to connect potentiometer with th...$17.39$17.39
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12 Volt Amplifier Board, DROK PAM8610 Mini Stereo AMP 10W+10W Digital Audio Amplify Circuit Class D 12V DC Portable Low Power Ampli Module Dual Channel Amplifier DIY for PC Speaker Car AutomotiveParameters: Work: D Class Quiescent current: 20mA Efficiency: 90% Rated output power: 10W +10W (8Ω) Frequency response: 20Hz to 50KHz Operating voltage: DC 7.5-15V Recommended power supply voltage: 12V, the center PIN of 12VDC is + PCB board size: (40 * 40) mm Power Interface: 5.5 socket...$8.53$8.53
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DROK 090077 Small Little DC Digital Voltmeter 2-Wire 0.56" DC 3-30V Red Bright LED Car Motor Panel Mount Meter 5V 12V 24V 27V Solar Battery Volt Accurate Power Monitor GaugeParameters: Dimensions: 48mm x 29mm x 22mm Cutting size : 46mm x 27mm Measure voltage: DC 3-30V (two wires Access) Input Polarity: DC voltage Measurement precision:0.01V(3-10V); 0.1V (10-30V) Display: Three 0.56" digital LED Tube Display Color: Green Refresh rate: about 500mS / times Operat...$5.49$5.49