Power & Conversion

25 products

Power your projects with adjustable DC-DC converters, breadboard power supplies and voltage regulators. Compatible with Arduino, Raspberry Pi and other microcontrollers.

TP4056 1A LiPo battery charging board with USB Type-C connector and current protection circuitry

TP4056 1A LiPo Battery Charging Board with Type-C and Current Protection 5pcs
$3.99
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Top view of ShillehTek LM2596 step-down buck converter module with digital voltmeter

LM2596 Step-Down Buck Converter Module with Digital Voltmeter
$6.99
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ShillehTek MT3608 DC-DC step up boost converter blue circuit board

MT3608 DC-DC Step-Up Boost Converter 2A Adjustable Power Module for Arduino
$3.99
CN3791 6V MPPT solar charger module with multiple connectors and red and black wiring cables

CN3791 6V MPPT Solar Charger Module
$5.99
TP4056 1A lithium polymer battery charging board with micro USB port and current protection

TP4056 1A 3.7-4.2V LiPo Battery Charging Board with Micro USB & Current Protection
$2.50
Top view of ShillehTek MB102 breadboard power supply with USB port and jumper pins

MB102 Breadboard Power Supply Module 3.3V/5V for Arduino
$6.99
351015 500mAh 3.7V lithium rechargeable battery with red and black wires

351015 500mAh 3.7V Lithium Rechargeable Battery (3.5 x 10 x 15mm)
$5.99
Black 18650 battery holder box with red and black wires, no cover, for single battery

18650 Battery Holder Box with Wire (No Cover)
$5.99
XL4015 adjustable DC-DC step-down module with digital voltmeter display and blue terminal blocks

XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display
$7.99
TPA3118 PBTL single channel digital amplifier board with capacitors and inductors for 60W output

TPA3118 PBTL Single Digital Amplifier Board 1x60W
$6.99
AC 220V 1-Channel Time Delay Relay Module with digital display and wiring

AC 220V 1-Channel Time Delay Relay Module
$9.99
PAM8406 stereo class-D audio amplifier module with capacitor and labeled pins for Arduino and ESP32

PAM8406 Pre-Soldered Stereo Class-D Audio Amplifier Module for Arduino, Raspberry Pi & ESP32
$7.99
Mini submersible water pump 3-5V with black and red wires for Arduino Raspberry Pi and ESP32 projects

Mini Submersible Water Pump 3-5V for Arduino, Raspberry Pi & ESP32
$6.99
Mini submersible water pump 5V 120L/H with dual outlet nozzles and mounting bracket

Mini Submersible Water Pump 5V 120L/H with 1.5m Cable for Arduino, Raspberry Pi & ESP32
$8.99
Five TEC1-12706 thermoelectric peltier cooler plates with red and black wires and thermal pads

TEC1-12706 Thermoelectric Peltier Cooler Plate 12V 40x40mm
$9.99
Back side of 2x18650 lithium battery shield V8 with USB ports and electronic components for ESP32 and Arduino

2x18650 Lithium Battery Shield V8 5V/3A for ESP32 and Arduino
$9.99
4x18650 lithium battery shield with USB output for ESP32 and Arduino, showing front battery slots and back circuit board

4x18650 Lithium Battery Shield V8 5V/3A for ESP32 and Arduino
$14.99
110 x 136mm 6V 2W solar panel showing solar cells and wiring detail

110 x 136mm 6V 2W Solar Panel
$8.99
PDSink PD Decoy fast charging test board with USB-C connector and red dip switch

PDSink PD Decoy Fast Charging Test Board 5-20V
$5.99
4S 30A lithium battery protection board with multiple components and connection terminals on green PCB

4S 30A 18650 Lithium Battery Protection Board 14.8V/16V with Cable
$6.99
3S 12V 18650 lithium battery protection circuit board with balancing and 25A current rating

3S 12V 18650 Lithium Battery Protection Board with Balancing 25A
$6.99
HX-2S-JH20 2S 7.4V 18650 lithium battery protection board with 10A current and balancer components

HX-2S-JH20 2S 7.4V 18650 Lithium Battery Protection Board 10A with Balancer
$6.99
1S 3.7V 3A 2MOS BMS lithium-ion 18650 battery protection circuit board with metal tabs

1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board
$3.99
4 slot 18650 battery holder box with red and black wires and no cover for electronics projects

4 x 18650 Battery Holder Box with Wire (No Cover)
$4.99