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FM Wireless Microphone DIY Kits FM Radio Electronic Training Suite DIY Module DC 1.5-9V 1-6mA No Battery FM Wireless Microphone DIY Kits FM Radio Electronic Training Suite DIY Module DC 1.5-9V 1-6mA No Battery Product Introduction: 1.Operating Voltage:DC 1.5V-9V 2.Operating Current:1mA-6mA 3.Operating Frequency:87-108 4.Board Size:22*52mm 5.Transmitting Distance:10-30m Packing List: Name Parameter ... $2.79 SKU: 10645
$2.79

UM24 for APP USB 2.0 Color LCD Display Tester Voltmeter Ammeter Battery Capacity Tester Voltage Current Meter Cable Resistance Tester UM24 for APP USB 2.0 Color LCD Display Tester Voltmeter Ammeter Battery Capacity Tester Voltage Current Meter Cable Resistance Tester Description: UM24 is a multifunctional USB test meter.It can test and display voltage/current/power/capacity/energy detection,fast charging identification,data storage, etc. Features: 1>. 1.44-inch RGB LCD display. 2>. A... $21.99 SKU: 13232
$21.99

Blue LY6W 36V Electricity Quantity Display External Installation for Lead Acid Battery Blue LY6W 36V Electricity Quantity Display External Installation for Lead Acid Battery Product Introduction: 1. Model: LY6W 2. Type: External Installation 3. Screen Display: LCD 4. Application Battery: Lead Acid Battery   Application Battery Specification: 1. Lead Acid Battery: 36V  ... $0.59 SKU: 11387
$0.59

TEC4056 18650 Charger Module 4.2V Lithium Battery Charger Charging Module TP4056 TEC4056 18650 Charger Module 4.2V Lithium Battery Charger Charging Module TP4056 Description: 1>. 0.3A, 0.5A, 0.8A current charging 2>. Adopt micro USB interface, convenient to use 3>. Charging status LED indicator lamp: red lamp charging; green lamp fully charged 4>. Suitable for 18650 lithium no... $2.79
$3.99
SKU: 12451
$2.79
$3.99

30

Battery Charger Discharger Board Undervoltage Overvoltage Charge Protection Board Charging Discharging Module Battery Charger Discharger Board Undervoltage Overvoltage Charge Protection Board Charging Discharging Module Description Battery charge and discharge module integrated voltmeter undervoltage and overvoltage protection timing charge and discharge with communication function   Module Highlights: 1. Battery charge and discharg... $3.91
$5.59
SKU: 12325
$3.91
$5.59

30

TEC-06 Battery Capacity Tester Module Power Supply Module Mini USB 16W Electronic Load Max 500AH LED Display with Fan TEC-06 Battery Capacity Tester Module Power Supply Module Mini USB 16W Electronic Load Max 500AH LED Display with Fan Description: TEC-06 is constant current electronic load.It uses high-precision DAC loop control technology to control output current for power supply or battery. So that the current does not change with the voltage changes.It is a lo... $10.33
$14.75
SKU: 12449
$10.33
$14.75

31

DC Electronic Load Tester Battery Capacity 35W 5A Adjustable Constant Current Aging Resistor Discharger LCD Voltage Current Power Display DC Electronic Load Tester Battery Capacity 35W 5A Adjustable Constant Current Aging Resistor Discharger LCD Voltage Current Power Display 1.Description:     The industrial-grade long-life electronic load tester adopts long-life ball fan which has fast rotating speed and strong wind.It supports continuous discharging for non-stop work and suitable for long-per... $16.09
$22.99
SKU: 13413
$16.09
$22.99

30

4S 10A 14.8V 16.8V 18650 Li-ion Lithium Battery Charger BMS Protection PCB Board 4S 10A 14.8V 16.8V 18650 Li-ion Lithium Battery Charger BMS Protection PCB Board Description: Lithium battery protection board.It is use to protect the battery to prevent the battery from being over-discharged or over-charged during use, resulting in battery damage. Features: 1>. Small size. 2>. Simp... $3.49
$4.99
SKU: 13229
$3.49
$4.99

31

DC-DC USB Step UP Step Down Power Module Adjustable Boost Buck Converter Battery Capacity Tester 5V to 3.3V 9V 12V 24V DC-DC USB Step UP Step Down Power Module Adjustable Boost Buck Converter Battery Capacity Tester 5V to 3.3V 9V 12V 24V 1.Description:     XY-LUP is an instrument with integrated buck-boost power supply module and multi-function voltage ammeter.     In ‘PER’ work mode,it can be used as buck-boost power supply module... $4.19
$5.99
SKU: 13416
$4.19
$5.99

31

XH-M350 Backup Battery Switching Module High Power Board Automatic Switching Battery Power Module 12V 150W XH-M350 Backup Battery Switching Module High Power Board Automatic Switching Battery Power Module 12V 150W Description: This module is for storage battery emergency switch. It adopts the high quality industrial relay and the effective control current can reach 12A. In control of 12V, power can reach 150W. It is widely used in incubators, ... $3.98
$5.69
SKU: 13096
$3.98
$5.69

31

10PCS TP4056 1A Li-ion Lithium Battery Charging Module Charging Board Charger with Micro USB 10PCS TP4056 1A Li-ion Lithium Battery Charging Module Charging Board Charger with Micro USB Description: 1. Charge Module: Linear charging 2. Current: 1A adjustable 3. Charge Precision: 1.5% 4. Input Voltage: 4.5V-5.5V 5. Full Charge Voltage: 4.2V 6. Led Indicator: Red is charging; Blue is full charged 7. Input In... $2.79
$3.99
SKU: 12620
$2.79
$3.99

30

10A Lithium Battery Charger Controller Protection Board Module 6-60V LCD Display 10A Lithium Battery Charger Controller Protection Board Module 6-60V LCD Display Description: Battery charging control module automatically controls battery charging and discharging to protect battery.   Features: 1>.LCD display 2>.Display battery voltage 3>.Percentage of electri... $5.24
$7.49
SKU: 13285
$5.24
$7.49

30

LM3914 Green LED Bar Display Module 10 Segments Battery Power Indicator Battery Capacity Indicating Tester DIY Kits LM3914 Green LED Bar Display Module 10 Segments Battery Power Indicator Battery Capacity Indicating Tester DIY Kits Product Introduction: 1>. Power Consumption: all lamps on 42mA; single lamp on 4mA 2>. Measurement Range: universal 2.4-20V batteries 3>. Color: Green 4>. Display Way: multi-lamp bar display or single lamp dot display... $3.75 SKU: 12003
$3.75

Charging Control Module 30A LCD Display Storage Lithium Battery Charger Control Switch Protection Board 6-60V Charging Control Module 30A LCD Display Storage Lithium Battery Charger Control Switch Protection Board 6-60V Description: Battery charging control module automatically controls battery charging and discharging to protect battery.   Features: 1>.LCD display 2>.Display battery voltage 3>.Percentage of electrici... $6.29
$8.99
SKU: 13284
$6.29
$8.99

30

XH-M604 Charge Control Module DC 6-60V Battery Protection Board Controller for Lithium/Lead-acid Battery XH-M604 Charge Control Module DC 6-60V Battery Protection Board Controller for Lithium/Lead-acid Battery Product Introduction: 1.Name:numerical control battery charging control module 2.Model:XH-M604 3.Input Voltage:DC 6-60V (max 80V) 4.Display Precision:0.1V 5.Control Precision:0.1V 6.Output Type:direct output 7.Voltage Toler... $6.78
$9.69
SKU: 11314
$6.78
$9.69

30

DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board Module DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board Module Product Introduction: 1.Model:XH-M603 2.Input Voltage:DC 10-30V 3.Display Precision:0.1V 4.Control Precision:0.1V 5.Output Type:direct output 6.Voltage Tolerance:+/-0.1V 7.Application Fields:12-24V storage battery 8.Size;... $5.31
$7.59
SKU: 11313
$5.31
$7.59

31

Charger Circuit Board Mobile Power Bank with Protective Box for 4pcs 18650 Battery Charger Step Up Converter Power Supply Module Charger Circuit Board Mobile Power Bank with Protective Box for 4pcs 18650 Battery Charger Step Up Converter Power Supply Module Product Introduction: 1.Input Parameter:5V/1A 2.Input Interface:V8 port,Micro USB 3.Output Parameter:double USB output 5V/2A 4.Conversion Rate:90% (average) 5.Function Feature:with a highlight LED lamp (long press or ... $2.79
$3.99
SKU: 10901
$2.79
$3.99

30

5V 1A 2A Double USB Output Power Bank Battery Charger Protection Board Step Up Boost Converter Module with LED Lamp Power Capacity Indicator 5V 1A 2A Double USB Output Power Bank Battery Charger Protection Board Step Up Boost Converter Module with LED Lamp Power Capacity Indicator Product Introduction: 1.Input Parameter:5v/1A 2.Input Interface:V8 interface  micro USB 3.Output Parameter: double USB output:5v/2A    4.Conversion Rate:90%  average Safe Design: 1.Power has designs of ... $1.81
$2.59
SKU: 8903
$1.81
$2.59

30

Power-OFF Protection Module Automatic Switching Module UPS Emergency Cut-off Battery Power Supply 12V to 48V Control Board Power-OFF Protection Module Automatic Switching Module UPS Emergency Cut-off Battery Power Supply 12V to 48V Control Board Description: This is a power outage automatic switch module for 12V-48V battery. Parameters: No. Parameter Value 1 Product model X804 2... $2.79
$3.99
SKU: 13145
$2.79
$3.99

30

DIY Kit NE555 Electronic Component Parts Electric Piano Organ Module DIY Set with Battery Box DIY Kit NE555 Electronic Component Parts Electric Piano Organ Module DIY Set with Battery Box Description: The scale of the circuit can produce different sounds, while different keys correspond to different scales. The play of the electronic organ is to use the fingers to press different keys to produce different scales. The pr... $4.35 SKU: 13032
$4.35


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