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Power Modules and accessories

Power Modules and accessories

Buck/boost converters, chargers, regulators.

15 items

Looking for a complete project instead of loose parts? Start from a live DIY kit, then come back for spares, upgrades, or exact replacements.

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15 results

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602040 Li Po Battery 3.7V Lithium Batteries 500mAh Lipo Rechargeable Cell for Smart Wearable Walkie Talkie GPS PSP Game Console

Key Features:- V Li-Po rechargeable cell with 500mAh capacity for compact electronics and DIY builds- size format fit...

9V 1-Channel Relay Module, High/Low Level Trigger Switch Board for Arduino & DIY Control

9V 1-Channel Relay Module, High/Low Level Trigger Switch Board for Arduino & DIY Control

Key Features 9V COIL RELAY MODULE: Designed for projects that use a 9V relay coil supply (verify your board/relay mar...

2×AA Battery Holder Case with Lead Wires, Series 3V Battery Box for DIY Electronics Projects

Generic DIY-00106

2×AA Battery Holder Case with Lead Wires, Series 3V Battery Box for DIY Electronics Projects

Key Features2×AA BATTERY HOLDER: Holds two AA batteries in series to provide a convenient 3V power source (with 1.5V...

18650 Battery Holder Case with Lead Wire, 2 Slot Storage Box, 3.7V, Black Plastic

18650 Battery Holder Case with Lead Wire, 2 Slot Storage Box, 3.7V, Black Plastic

Key Features:- Holds 2x 18650 Li-ion batteries securely for stable DIY power supply builds- Pre-soldered red/black le...

4 Channel Relay Module, DC 5V, High/Low Level Trigger, Optocoupler Shield for Arduino

4 Channel Relay Module, DC 5V, High/Low Level Trigger, Optocoupler Shield for Arduino

Key Features:- channel 5V relay board for switching AC/DC loads from microcontrollers and PLC-style GPIO signals- Hig...

5V 1A Power Bank PCB Module for 18650 Li‑ion Battery, USB Output Step‑Up Boost Converter Board with Micro USB Charging Input, DIY Portable Charger Protection Circuit

5V 1A Power Bank PCB Module for 18650 Li‑ion Battery, USB Output Step‑Up Boost Converter Board with Micro USB Charging Input, DIY Portable Charger Protection Circuit

Key FeaturesIntegrated power bank controller board combining Li‑ion charging + 5V boost output for compact DIY builds...

2-Channel 12V Relay Module Board with Optocoupler, High/Low Level Trigger, 10A 250VAC/125VAC/30VDC Switching, Screw Terminals, Arduino Compatible DIY Control Module

2-Channel 12V Relay Module Board with Optocoupler, High/Low Level Trigger, 10A 250VAC/125VAC/30VDC Switching, Screw Terminals, Arduino Compatible DIY Control Module

Key FeaturesDual relay outputs for independent control of two loads; ideal for automation, robotics, and DIY switchin...

4-Slot AA Battery Holder with Wire Leads, 4xAA Series Battery Case 6V Output (1.5V x4), Red/Black Wires, Black Plastic Enclosure for DIY Electronics, Arduino, Robotics

4-Slot AA Battery Holder with Wire Leads, 4xAA Series Battery Case 6V Output (1.5V x4), Red/Black Wires, Black Plastic Enclosure for DIY Electronics, Arduino, Robotics

Key Featuresslot AA battery holder wired in series for a nominal 6V output using 4 x 1.5V AA cells (battery voltage d...

6xAA Battery Holder Case with DC 5.5x2.1mm Barrel Plug, 15cm Lead Wire, Black Battery Pack for Arduino DIY Electronics, Portable Power Supply for 6 AA Cells Series Output

6xAA Battery Holder Case with DC 5.5x2.1mm Barrel Plug, 15cm Lead Wire, Black Battery Pack for Arduino DIY Electronics, Portable Power Supply for 6 AA Cells Series Output

Key FeaturesHolds 6x AA batteries in series to create a portable DC supply (output depends on battery chemistry and l...

2x18650 Lithium Battery Shield V8 Power Expansion Board with Micro USB Charging, Dual Output 5V/3A & 3V/1A, USB-A Port, On/Off Switch, Arduino ESP32 ESP8266 Compatible

2x18650 Lithium Battery Shield V8 Power Expansion Board with Micro USB Charging, Dual Output 5V/3A & 3V/1A, USB-A Port, On/Off Switch, Arduino ESP32 ESP8266 Compatible

Key FeaturesDual 18650 battery shield (V8 style) for portable power projects; accepts 2x 18650 Li‑ion cells (cells no...

2-Channel 5V Relay Module with Optocoupler Isolation, High/Low Level Trigger Select, Screw Terminals, Arduino/Raspberry Pi MCU Compatible for AC/DC Load Switching

2-Channel 5V Relay Module with Optocoupler Isolation, High/Low Level Trigger Select, Screw Terminals, Arduino/Raspberry Pi MCU Compatible for AC/DC Load Switching

Key FeaturesDual relay outputs for independent control of two loads, suitable for automation, prototyping, and MCU-dr...

18650 Battery Shield V8 Power Supply Module, 5V USB Output Power Bank Board, Micro USB Charging, Single 18650 Holder, On/Off Switch, 3.7V/5V Outputs for Arduino ESP32 ESP8266 DIY Projects

18650 Battery Shield V8 Power Supply Module, 5V USB Output Power Bank Board, Micro USB Charging, Single 18650 Holder, On/Off Switch, 3.7V/5V Outputs for Arduino ESP32 ESP8266 DIY Projects

• PORTABLE 5V USB OUTPUT: Turns a single 18650 into a compact power bank supply• MICRO USB CHARGING: Charge the batte...

18650 Battery Holder Case, Single Cell 3.7V Li-ion Battery Slot, Black Plastic Housing with Pre-Soldered Red/Black Lead Wires, DIY Power Supply Holder for Arduino ESP32 Projects

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18650 Battery Holder Case, Single Cell 3.7V Li-ion Battery Slot, Black Plastic Housing with Pre-Soldered Red/Black Lead Wires, DIY Power Supply Holder for Arduino ESP32 Projects

• SINGLE 18650 HOLDER: Fits one 18650 Li-ion cell (3.7V nominal)• PRE-WIRED LEADS: Red/black wires for quick solderin...

9V Battery Holder Case with 5.5x2.1mm DC Male Plug, Onboard Snap Connector, Red/Black Wire Leads, Enclosed Mountable Case for Arduino & DIY Prototyping Power

9V Battery Holder Case with 5.5x2.1mm DC Male Plug, Onboard Snap Connector, Red/Black Wire Leads, Enclosed Mountable Case for Arduino & DIY Prototyping Power

Key FeaturesDesigned for standard 9V (PP3/6F22) batteries with internal snap connector for quick install and replacem...

2xAA Battery Holder Case with ON/OFF Switch, 2-Cell Series 3V Output (Typical), Black Enclosed Box, Pre-Wired Lead Cable for Arduino, Sensors, DIY Projects, Prototyping Power Pack

2xAA Battery Holder Case with ON/OFF Switch, 2-Cell Series 3V Output (Typical), Black Enclosed Box, Pre-Wired Lead Cable for Arduino, Sensors, DIY Projects, Prototyping Power Pack

Key FeaturesxAA battery holder for two AA cells in series, providing ~3V typical output with alkaline batteries (volt...

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