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120V 50A 2.4 Inch Color Screen Voltage Current Capacity Energy Power Meter for RV Car Battery Coulomb Counter 1.Description: VAH9810S is a multi-function meter, which can display various physical parameters such as voltage, real-time current, peak current, real-time power, peak power, capacity, usage time, etc. in real time, and t... $34.29
~~$48.99~~ SKU: GY20711-1
$34.29
~~$48.99~~
31

15W USB Electronic Load Tester Aging Discharger Battery Capacity Tester 1.Description: LC-USB-Load-15W is a electronic load, the purpose of constant current input is achieved through the power consumption of the transistor, the heat of the heater and the fan. 2.Feature: 1>.Adjust po... $6.29
~~$8.99~~ SKU: GY20690
$6.29
~~$8.99~~
30

Lithium Battery Charging Controller Active Equalizer Energy Transfer Board for 3pcs Ternary Polymer Lithium Battery 1.Description: It is a Lithium Battery Charging Controller Active Equalizer Energy Transfer Board for 3pcs Ternary Polymer Lithium Battery. 2.Feature: 1>.Lithium active balanced energy transfer board &nb... $4.68
~~$6.69~~ SKU: GY20903-1
$4.68
~~$6.69~~
31

Battery Charge Discharge Controller DC 1V-99V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester 1.Description: It is a Battery Charge/Discharge Controller DC 1V-99V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester. 2.Feature: 1>.Protection Prevents battery overcharge 2>.... $10.49
~~$14.99~~ SKU: GY20773-1
$10.49
~~$14.99~~
30

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~~
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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

DC Voltage Power Display Module, 12V 24V 36V 48V 72V Battery Capacity Monitor, 7V-80V Voltage Tester Alarm 1.Description: XH-M241 is a Programmable Battery Capacity Monitor which can not only supports lithium battery, lead-acid battery, LiFePO4 battery, but also used for other types of batteries and power supply, also can support multiple b... $7.69
~~$10.99~~ SKU: GY20709
$7.69
~~$10.99~~
31

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... $8.25
~~$11.79~~ SKU: GY20663
$8.25
~~$11.79~~
30

DC 12V Battery Charging Monitor Overcharge Controller Battery Voltage Protector 1.Description: It is a battery charging control board.When the battery voltage is lower than the set undervoltage value,the controller will automatically turn on the power supply to charge the battery;when the battery voltage ... $6.99
~~$9.99~~ SKU: GY20586
$6.99
~~$9.99~~
30

DC 12V Battery Overdischarge Monitor 20A Under Voltage Controller Battery Voltage Protector 1.Description: It is a battery overdischarge protection module.It can set the undervoltage and overvoltage values.When the battery voltage is lower than the undervoltage value or higher than the overvoltage value,the module wi... $6.99
~~$9.99~~ SKU: GY20585
$6.99
~~$9.99~~
30

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~~
31

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 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

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~~
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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

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

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

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 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

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~~
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