All Products

SKU: AF-1868

A simple breakout board with a CR1220 coin cell battery holder pre-soldered and broken out to 0.1″ pitch pins. Ideal for powering very low-current projects or providing battery backup for a real-time clock (RTC) module. Comes fully assembled and tested, with a stick of 0.1″ header included so yo...

SKU: AF-1867

A breakout board with a CR1220 coin cell battery holder, an on/off switch, and 0.1″ pitch breakout pins. Ideal for powering very low-current projects or providing switchable battery backup for a real-time clock (RTC) module. The board breaks out four pins: two ground pins, one switched power pin...

SKU: SF-WRL-21293 · MPN: WRL-21293

Build low-power 2.4GHz Bluetooth beacon prototypes with this compact breakout based on the InPlay IN100 NanoBeacon. It is designed for wireless sensor monitoring, asset tracking, retail beacons and DIY beacon tags for real-time location monitoring.The board can run from a single 3V coin cell and ...

SKU: SF-PRT-10592

This is the SMD version of PRT-07948, which is the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. The metal housing connects to the positive side of the battery and the PCB pad underneath is connected to the negative side.

SKU: SF-PRT-07949

A PCB-mount clip designed to hold a single AA battery. Ideal for small, low-power applications that need a compact battery solution. Sold individually — use two clips for a complete AA battery holder. Key Features PCB Mount (PTH) – Through-hole solder pins for secure board mounting Single AA ...

SKU: SF-PRT-13113

This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, you’ll need two for each battery. These work great for larger, high capacity applications where a drop-in rechargable cell is needed. These little guys are low cost and easy to use! No...

SKU: AF-1850

Add a touch of sparkle to your wearables with the Adafruit Gemma Sequin Starter Pack. This beginner-friendly kit includes a GEMMA V2 sewable microcontroller, warm white LED sequins, conductive thread, needles, and a coin cell battery holder — everything you need to start sewing glowing electronic...

SKU: DF-FIT0619

This battery holder connects 3× AA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector with a 15cm wire lead, making it compatible with DFRobot boards and other devices that use the PH2.0 power interface. Key Features 3× AA Series Configurati...

SKU: AF-3386

The Adafruit PiRTC is a battery-backed real-time clock that plugs directly onto your Raspberry Pi's GPIO header, letting your Pi keep accurate time even when powered off. Built around the PCF8523 RTC with native Linux kernel support, it's ideal for data logging, time-stamping, alarms, and any pro...

SKU: PL-1155

A compact enclosed battery holder for six AA batteries, providing approximately 9V (alkaline) or 7.2V (NiMH rechargeable) from a series configuration. Features bare wire leads for flexible integration into your project. Key Features 6-Cell Capacity – Holds six AA batteries in series Enclosed ...

SKU: SF-PRT-12718

PCB mount clip to hold a AAA battery. Sold in single units, you’ll need two for each battery. These work great for small, low power applications that need a battery to run. Low cost and easy to use!Documents:Datasheet

SKU: AF-5703

The Adafruit PiCowbell Adalogger is a Pico-sized add-on board that sockets underneath your Raspberry Pi Pico or Pico W, adding a microSD card slot, real-time clock with battery backup, and a STEMMA QT connector for I2C sensors — everything you need for data logging projects. The PCF8523 RTC keep...

SKU: DF-FIT0362

This battery holder can hold 3 AA batteries which provides 3.6V rechargeable battery pack with NiMH / NiCd cells or 4.5V battery pack with Alkaline cells. You will be able to power your Arduino with this battery holder via MicroUSB interface directly. SPECIFICATIONS Cell Quantity: 3 Battery type...

SKU: LB-LR0309-20

A simple single-slot 9V battery holder case with wire leads for soldering or connecting directly to your projects. Keeps your battery secure and organised. Key Features Wire Leads – Pre-attached cables for direct soldering or breadboard connection Snap-Fit Design – Holds one standard 9V batte...

SKU: PI-COM1304

A 4×AA battery holder with press-stud (snap) termination, providing a portable power source for wearable and on-the-go projects. With four alkaline AA batteries, it delivers approximately 6V with 7,000–10,000 mAh of capacity — enough to power an Arduino Uno for over a week. Rechargeable NiMH bat...

SKU: SF-PRT-14380

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the ma...

SKU: DF-FIT0141

A 6×AA battery holder with a DC 2.1mm power jack that plugs directly into an Arduino's barrel jack input. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Features mounting holes for secure installation. Specifications Cell Quantity: 6× AA Output...

SKU: LB-LR0295

A simple 9V battery holder with a DC barrel connector. Provides a convenient way to mount and connect a 9V battery to your electronics projects. Key Features DC Barrel Connector – Standard connector for easy integration Snap-In Battery Mount – Holds a 9V battery securely Also Available 9V...

SKU: EC-CDE20032P

An Arduino Uno shield that makes it easy to drive a 16×32 RGB LED matrix panel with a HUB75 connector. Instead of wiring up 12 individual jumper wires, this shield provides a matching 2×8 IDC connector for a clean, reliable connection between your Arduino and the panel. The shield also includes ...

SKU: AF-1871

A sewable breakout board with a CR2032 coin cell battery holder, built-in on/off switch, and 0.1" pitch breakout pins. The board provides two ground pins, one switched power pin, and one always-on power pin — giving you flexibility in how you manage power in your project. Also available: version...