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3.7V 4.2V to 5V 18650 Lithium Battery Charging Module USB Boost Board Mobile Power Board DIY
1.Description:
1>.Ultra small size, almost all mobile power supply enclosures can be easily installed
2>.Support lithium battery undervoltage protection and output short circuit protection
3>.Ultra low...
$3.75
$5.35
SKU: GY21042-1
$3.75
$5.35
30
2A 5V Lithium Battery Charging Boosting Module with Protection Board TYPE-C Battery Charging Power Step Up Module
1.Description:
1>.Small volume and high power
2>.With double layer charging and discharging protection
3>.5V automatic switching between charging and discharging
4>.Maximum 3.1A output curr...
$3.91
$5.59
SKU: GY21034-1
$3.91
$5.59
30
Waterproof 0.56inch DC Digital Voltage Meter, DC5-130V LED Battery Volt Meter Gauge Voltage Display for Golf Cart Car, Cars, Boats
1.Description:
It is a DC5-130V Waterproof Battery Voltage Meter. Its biggest feature is the use of internal injection molding design to achieve waterproof purposes, which is that it can penetrate water for a long time for use.
2....
$3.25
$6.50
SKU: GY21015-1
$3.25
$6.50
50
Green LED Power Indicator DIY Kit Battery Electricity Display Kits
1.Description:
1>.It has high precision LM3914 analog voltage detection, users can accurately know the remaining battery power.
2>.The power display range is adjustable, and the display range can be adjusted accor...
$2.79
$3.99
SKU: GY20994-1
$2.79
$3.99
30
DIY Kit Bluetooth-Compatible Amplifier, 87.0-108.0MHz FM Radio Receiver Kit, U-disk/TF Card Music Player Module with Battery
1.Introduction:
It is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit with Red/Green spectrum indicator flashing automatically.
It has a blue 4Bit segment display screen which can clearly display the receivi...
$25.89
$36.99
SKU: GY20924-2
$25.89
$36.99
31
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
30
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
30
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
