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DC 5V-12V to 9V Step Up Charging Module for 18650 Lithium Battery UPS Voltage Converter DC 5V-12V to 9V Step Up Charging Module for 18650 Lithium Battery UPS Voltage Converter 1.Description:     It is a UPS uninterruptible power supply control board.   2.Features:     1>.Support charging and discharging at the same time     2>.Large current  ... $3.49
$4.99
SKU: 13498
$3.49
$4.99

31

DC Electronic Load Tester 35W 5A LCD Display Adjustable Constant Current Aging Resistor Discharger Voltage Current Power Battery Capacity DC Electronic Load Tester 35W 5A LCD Display Adjustable Constant Current Aging Resistor Discharger Voltage Current Power Battery Capacity 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... $17.49
$24.99
SKU: 13414
$17.49
$24.99

30

Lithium Battery Charge Controller Battery Protection Board XY-CD60L 6V-60V LCD Display Battery Charging Control Board Lithium Battery Charge Controller Battery Protection Board XY-CD60L 6V-60V LCD Display Battery Charging Control Board 1.Description:     XY-CD60L is a battery charge and discharge controller module. It can be used for DC 6V~60V any one lithium/lead-acid battery.   2.Features:     1>.Multi-function test instrum... $6.99
$9.99
SKU: 15077
$6.99
$9.99

30

Red Display Lithium Battery Capacity Indicator Voltmeter ON/OFF Controller Voltage Tester 12.6V for 12V Lead-acid Battery or 4pcs 3.7V 4.2V Lithium Batteries Red Display Lithium Battery Capacity Indicator Voltmeter ON/OFF Controller Voltage Tester 12.6V for 12V Lead-acid Battery or 4pcs 3.7V 4.2V Lithium Batteries 1.Description:   It is a dual display Lithium Battery Capacity Indicator.It can measure 3.7V or 4.2V battery and support dual USB output.   2.Feature:   1>.Dual display   2>.Dual USB output ... $4.19
$5.99
SKU: 15189
$4.19
$5.99

31

Lithium Battery Charging Board 5V 2A LCD Display Dual USB Output Charger Module DIY Charger Lithium Battery Charging Board 5V 2A LCD Display Dual USB Output Charger Module DIY Charger Parameter:   1>.Input charging voltage: DC 5V 1A   2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery   4>.Output channel:2 Channel   5>.Output voltage:5V2.1A/5V1A ... $4.89
$6.99
SKU: 14045
$4.89
$6.99

31

DC-DC USB Step UP/Down Power Supply Module Adjustable Boost Buck Converter LCD Voltmeter Ammeter Battery Capacity Tester with Shell Temperature Display DC-DC USB Step UP/Down Power Supply Module Adjustable Boost Buck Converter LCD Voltmeter Ammeter Battery Capacity Tester with Shell Temperature Display 1.Description:     XY-MUPH is an instrument with integrated buck-boost power supply module and multi-function voltage ammeter and temperature display module.     In ‘PER’ work mode,it can be used a... $5.59
$7.99
SKU: 13491
$5.59
$7.99

31

Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery 1.Description:   It is a battery test stand. It can be used for 18650/AA/AAA/CR2025 Battery.   2.Feature:   1>.Using terminal blocks   2>.Can be used with a variety of batteries   3&... $9.09
$12.99
SKU: GY17495
$9.09
$12.99

30

DC-DC USB Step UP/Down Power Supply Module LCD Adjustable Boost Buck Converter Voltmeter Ammeter Battery Capacity Tester Temperature Display DC-DC USB Step UP/Down Power Supply Module LCD Adjustable Boost Buck Converter Voltmeter Ammeter Battery Capacity Tester Temperature Display 1.Description:     XY-DUPH is an instrument with integrated buck-boost power supply module and multi-function voltage ammeter and temperature display module.     In ‘PER’ work mode,it can be used a... $4.68
$6.69
SKU: 13493
$4.68
$6.69

31

DC 5V 1A Charging Discharge Module for 18650 Lithium Battery UPS Voltage Converter DC 5V 1A Charging Discharge Module for 18650 Lithium Battery UPS Voltage Converter 1.Description:   It is a UPS uninterruptible power supply control board.   2.Features:   1>.Support charging and discharging at the same time   2>.Large current   3>.Small size ... $1.39
$1.99
SKU: GY16054
$1.39
$1.99

30

3 Series Lithium Battery Charger MPPT Controller CN3722 18V Solar Panel 3 Series Lithium Battery Charger MPPT Controller CN3722 18V Solar Panel 1.Description:  It is a 3-series lithium battery charger. The solar cell maximum power point tracking (MPPT) is to ensure that the photovoltaic cell always outputs the maximum power when the light intensity changes to make full ... $5.25
$7.50
SKU: GY19634
$5.25
$7.50

30

CN3791 Charging 6V MPPT Solar Power Panels Lithium Battery Charging Module CN3791 Charging 6V MPPT Solar Power Panels Lithium Battery Charging Module 1.Description:  It is a lithium battery charging module.This is a solar charger for maximum power point tracking (MPPT) of single-cell lithium batteries.   It can obtain as much electricity as possible from solar panels or ... $4.19
$5.99
SKU: GY19590
$4.19
$5.99

31

ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery 1.Description:   It is a battery capacity display module.It can be used to measure the voltage of a battery.   2.Feature:   1>.Digital display   2>.High-strength power interface   3&... $6.99
$9.99
SKU: GY17494
$6.99
$9.99

30

Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module 1.Description:   It is a battery capacity tester. It can test the battery capacity,voltage,and current of 18650 lithium battery lead acid. 2.Feature:   1>.Digital display   2>.High precision ... $6.29
$8.99
SKU: GY17489
$6.29
$8.99

30

Battery Indicator Voltage and Electricity Thermometer LCD Display Voltmeter  for 10V-99V Battery Battery Indicator Voltage and Electricity Thermometer LCD Display Voltmeter for 10V-99V Battery Description:   Compatible with lead-acid batteries between 10V-99.9V, dry batteries, water batteries, ternary lithium batteries,lithium polymer, lithium ion batteries and lithium iron phosphate.   It needs to be matched acc... $9.09
$12.99
SKU: GY19171-1
$9.09
$12.99

30

XH-M246 Automatic Buck-Boost Module Non-isolated CCCV Power Supply Converter Step Down Step UP Module Battery Charging Module XH-M246 Automatic Buck-Boost Module Non-isolated CCCV Power Supply Converter Step Down Step UP Module Battery Charging Module Description:  XH-M246 is a Automatic Buck-Boost constant voltage constant current power supply module.It can adjust output voltage to meet different require and output a stable voltage.   Parameter:   1>... $3.91
$5.59
SKU: 13894
$3.91
$5.59

30

12V Lead-Acid Battery LY6N Recessed Battery Capacity Indicator Tester Voltmeter Green Light 12V Lead-Acid Battery LY6N Recessed Battery Capacity Indicator Tester Voltmeter Green Light Product Description 1. Application Range:TH01/LY6 is designed to test the voltage,current and capacity of battery,and display them with intuitive battery symbol and percentage.Users can know the state of battery in time.It is suitabl... $4.89
$6.99
SKU: 11449
$4.89
$6.99

31

Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery 1.Description:   It is a multifunctional battery voltage control switch.It is a digital display charging control board.It can be used as a battery charging module.   2.Feature:   1>.Digital display &... $6.29
$8.99
SKU: GY16859
$6.29
$8.99

30

5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 1.Description:     XY-UDT is a multi-function voltage-ammeter. It can work in three mode: Power Supply Mode,Voltage-Ammeter Mode,PWM Mode.Its main function is to output voltage as a constant voltage constant current source ... $27.59 SKU: 15078
$27.59

5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 1.Description:     This product is a multi-function voltage-ammeter. The main function of this product is to measure the voltage,current,capacity,energy,time,power,temperature,fast charge protocol,load impedance and display... $6.99 SKU: 13787
$6.99

500MA Solar Charging Module, 6A USB Lithium Battery Charging Board, CN3065 MINI Charging Module 500MA Solar Charging Module, 6A USB Lithium Battery Charging Board, CN3065 MINI Charging Module 1.Description:   It is a lithium battery solar charging board.   It uses CN3065 chip, a single-cell lithium battery charging management chip used for solar panel power supply.   The device includes a power transistor... $2.79
$3.99
SKU: GY19589
$2.79
$3.99

30

LCD Digital Battery Capacity Indicator Voltmeter Voltage Tester 24W Voltage Monitor IP6505T for QC2.0/QC3.0/FCP/SCP/MTK/APPLE LCD Digital Battery Capacity Indicator Voltmeter Voltage Tester 24W Voltage Monitor IP6505T for QC2.0/QC3.0/FCP/SCP/MTK/APPLE 1.Introduction:     ZK-BC is a Multiple Display Lithium Battery Capacity Indicator. It can measure voltage of different batteries and output voltage and current. Support lithium battery, iron-lithium battery, and lead-acid ... $9.79
$13.99
SKU: GY17675
$9.79
$13.99

31

DC-DC Step-Down Power Supply Module 75W 5A CVCC Voltage Converter Stabilizer for Battery Charge 4V-38V to 1.25V-36V DC-DC Step-Down Power Supply Module 75W 5A CVCC Voltage Converter Stabilizer for Battery Charge 4V-38V to 1.25V-36V 1.Description:   It is a 5A step-down module.There are two modes of constant voltage and constant current. It can be used as a step-down module,battery charger or high-power LED constant current drive module. 2.Feature: &nb... $3.49
$4.99
SKU: GY19244
$3.49
$4.99

31

DC 6V-60V Low Voltage Protector Disconnect Switch with LCD Display 30A Voltage Protection Module Digital Over Discharge Protector for Lead Acid Lithium Battery DC 6V-60V Low Voltage Protector Disconnect Switch with LCD Display 30A Voltage Protection Module Digital Over Discharge Protector for Lead Acid Lithium Battery Description: 【NOTE】This product is a voltage controller, which turns on and off the output through a relay, which only acts as a switch and cannot change the voltage.   【CHARGE AND DISCHARGE PROTECTION】You can freely set... $9.79
$13.99
SKU: GY20476
$9.79
$13.99

31

Lithium Battery Capacity Indicator Voltmeter Voltage Tester 5V 2A Dual USB Output 12.6V for 3pcs 3.7V 4.2V Lithium Batteries Lithium Battery Capacity Indicator Voltmeter Voltage Tester 5V 2A Dual USB Output 12.6V for 3pcs 3.7V 4.2V Lithium Batteries 1.Description:   It is a dual display Lithium Battery Capacity Indicator.It can measure 3.7V or 4.2V battery and support dual USB output.   2.Feature:   1>.Dual display   2>.Dual USB output ... $4.19
$5.99
SKU: 15192
$4.19
$5.99

31

18650 Lithium Battery Holder V8 Mobile Power Expansion Board 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description:  It is a 18650 lithium battery expansion board.This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A.   2.Feature:  1).It has multiple output ports for you... $6.29
$8.99
SKU: GY19481-1
$6.29
$8.99

30

4 Channel 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 4 Channel 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description:  It is a 18650 lithium battery expansion board. This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A.   2.Feature:  1).It has multiple output ports for yo... $10.49
$14.99
SKU: GY19481-2
$10.49
$14.99

30

Battery Capacity Monitor, 12V 24V 36V 48V 60V 72V Battery Meter, Battery Voltage Temperature Gauge Indicator with Temperature Sensor and Buzzer Alarm for RV Motor Boat Golf Cart Motorcycle Battery Capacity Monitor, 12V 24V 36V 48V 60V 72V Battery Meter, Battery Voltage Temperature Gauge Indicator with Temperature Sensor and Buzzer Alarm for RV Motor Boat Golf Cart Motorcycle Description: MULTIFUNCTION: can meantime show the battery capacity & voltage and Celsius temperature/ Fahrenheit.   PROTECTION: the battery power detector comes with protective shell, dustproof waterproof surface; in... $5.90
$11.79
SKU: GY20663
$5.90
$11.79

50

3PCS 12V 18650 Lithium Battery Protection Board 25A Overcurrent,Overcharge and Overdischarge Protection with Equalization Board 3PCS 12V 18650 Lithium Battery Protection Board 25A Overcurrent,Overcharge and Overdischarge Protection with Equalization Board 1.Description:  It is a lithium battery protection board.It is to protect the charged and discharged battery and prevent the battery from damaging the battery due to overcharging or over-discharging. 2.Feature:  1).It ... $6.85
$9.79
SKU: GY19472
$6.85
$9.79

30

DC 8V-100V LCD Digital Display Voltmeter, Battery Capacity Tester Blue Background Display, Battery Percentage for Lithium Lead-acid Battery DC 8V-100V LCD Digital Display Voltmeter, Battery Capacity Tester Blue Background Display, Battery Percentage for Lithium Lead-acid Battery 1.Description:  It is a battery level detection module.It has a wide range of applications and can be applied to various instruments,mobile and convenient medical equipment,electric vehicles,balance vehicles,unicycles,etc.  ... $7.69
$10.99
SKU: GY19672-1
$7.69
$10.99

31

Battery Capacity Tester for 18650 Lithium Battery Voltage Current Indicator 1.77in TFT LCD Display Module Battery Capacity Tester for 18650 Lithium Battery Voltage Current Indicator 1.77in TFT LCD Display Module 1.Description:    This product is a capacity tester designed specifically for 18650 batteries. Its 1.77-inch TFT display can simultaneously show information such as battery internal resistance, capacity, voltage, current, and... $8.39
$11.99
SKU: GY20761-1
$8.39
$11.99

30

DIY Kit LED Dimming Table Lamp DC 3.7V-5V Electronic Soldering Practice Kit with Rechargeable 18650 Lithium Battery DIY Kit LED Dimming Table Lamp DC 3.7V-5V Electronic Soldering Practice Kit with Rechargeable 18650 Lithium Battery 1.Introduction: CAI-221 is a LED Dimming Table Lamp DIY Kit. Its design inspiration comes from the desk lamp commonly used in home/office. It uses 24 pure white LED and adjusts the brightness of the lamp through a potentiometer.It is... $17.49
$24.99
SKU: GY20753-1
$17.49
$24.99

30

Voltage Capacity Tester,12V 24V 36V 48V 60V Battery Capacity Indicator, Iron-Lithium & Lead-Acid Battery Meter, Voltage Capacity Percentage Indicator Voltage Capacity Tester,12V 24V 36V 48V 60V Battery Capacity Indicator, Iron-Lithium & Lead-Acid Battery Meter, Voltage Capacity Percentage Indicator Product Description: 【Battery Capacity/Voltage Dual Paremater Display】Icstation battery voltage capacity tester can not only test the battery capacity percentage, but also the voltage value. This battery monitor can tole... $11.19
$15.99
SKU: 11378
$11.19
$15.99

31

12V Battery Undervoltage Management Module Battery Load Power-off Protection Switch 12V Battery Undervoltage Management Module Battery Load Power-off Protection Switch 1.Description:   It is a undervoltage protection switch.When the battery voltage is lower than the set value,the module will disconnect power to the load;when the battery voltage is restored,the module will continue to supply powe... $8.93
$12.75
SKU: GY20082
$8.93
$12.75

30

60 Seconds Light Control Voice Sound Recording Module Button Battery Powered for DIY Gift Music Greeting Cards 60 Seconds Light Control Voice Sound Recording Module Button Battery Powered for DIY Gift Music Greeting Cards 1.Description:   It is a light control recording module. After the recording is finished,the module sensor will play the recorded sound once when it senses the light, and the playback can be stopped when the light is blocked. ... $8.39
$11.99
SKU: GY20181
$8.39
$11.99

30

DIY Wooden Radio Kit, FM 88-108Mhz Radio with Battery Assembly Kit, STEM Kits for School Student Learning Teaching DIY Wooden Radio Kit, FM 88-108Mhz Radio with Battery Assembly Kit, STEM Kits for School Student Learning Teaching Description: 【SIMPLE ASSEMBLY】This kit doesn't require soldering!! The FM module is already soldered, you only need to assemble the battery, antenna, speaker and wooden cases. If you are a beginner or like to build projects, this r... $12.59
$17.99
SKU: GY21088-1
$12.59
$17.99

30

50W DC USP Voltage Converter Power Supply Module for 2s 3.7V 18650 Lithium Battery 50W DC USP Voltage Converter Power Supply Module for 2s 3.7V 18650 Lithium Battery 1.Description:   It is a UPS power supply module.When the input power has power, it will charge the battery, and when the power goes out, the battery will reverse the output to supply power to the load. When the battery is fully c... $9.09
$12.99
SKU: GY20558
$9.09
$12.99

30

24W DC USP Voltage Converter 9V 12V Adjustable Power Supply Module for 2S 3.7V 18650 Lithium Battery 24W DC USP Voltage Converter 9V 12V Adjustable Power Supply Module for 2S 3.7V 18650 Lithium Battery 1.Description:   It is a USP voltage converter.It supports input reverse connection protection,supports no battery operation,automatically stops charging when fully charged,battery discharge protection,automatically adjusts the ... $6.99
$9.99
SKU: GY20560
$6.99
$9.99

30

150W Electronic Load Tester 2.4in TFT LCD Display Aging Discharger Battery Capacity Tester 150W Electronic Load Tester 2.4in TFT LCD Display Aging Discharger Battery Capacity Tester 1.Description:    It is a 150W Electronic Load Tester 2.4in TFT LCD Display Aging Discharger Battery Capacity Tester 2.Feature:   1>.Overload protection   2>.Overcurrent protection   3>.High ... $34.99
$49.99
SKU: GY20764-1
$34.99
$49.99

30

Lead-acid Battery Voltage Monitor Lithium Battery Charge/Discharge Controller Protection Board 6V-60V LCD Display 12V 18V 24V 36V 48V Lead-acid Battery Voltage Monitor Lithium Battery Charge/Discharge Controller Protection Board 6V-60V LCD Display 12V 18V 24V 36V 48V 1.Description: XY-CD63 is a DC 6V-60V 30A Battery Charge Discharge Voltage Monitor with case. It is a discharge protector when the battery is connected to the input terminals. It is also a charging protector when the battery is conne... $11.19
$15.99
SKU: GY20526
$11.19
$15.99

31

DC 12V Battery Overdischarge Monitor 6s Delay Under Voltage Controller Battery Voltage Protector DC 12V Battery Overdischarge Monitor 6s Delay Under Voltage Controller Battery Voltage Protector 1.Description:   It is a battery undervoltage protection module.When the battery voltage is lower than the set undervoltage value,the module will automatically disconnect from the load;when the battery voltage is higher than the... $4.19
$5.99
SKU: GY20584
$4.19
$5.99

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