All Products

SKU: AF-654

A standard CR2032 lithium coin cell battery providing 3V nominal output. This non-rechargeable cell is widely used in electronics projects, wearables, and sewable circuits. Specifications Type – CR2032 lithium coin cell (non-rechargeable) Nominal Voltage – 3V (starts at ~3.2V, drifts to ~2.5V...

SKU: SF-PRT-11855

A high-discharge 2-cell lithium-ion battery pack delivering 7.4 V and 1000 mAh of capacity. With a 25C continuous discharge rate, this battery is well suited to R/C vehicles, robotics, and portable electronics that need compact power with plenty of punch. The 7.4 V output keeps voltage low enoug...

SKU: AF-1570

A compact 3.7 V lithium-ion polymer (LiPo) battery with approximately 100 mAh capacity (0.4 Wh). Thin, lightweight, and powerful, this cell is suited for small wearable projects, IoT devices, and compact electronics where space is limited. The battery comes pre-wired with a genuine 2-pin JST-PH ...

SKU: LB-00081

A standard CR2032 3 V lithium coin cell battery. Commonly used in real-time clocks, key fobs, wearable electronics, LED throwies, and e-textile projects with LilyPad battery holders. Specifications Type – CR2032 lithium coin cell Voltage – 3 V Chemistry – Lithium manganese dioxide Warning...

SKU: PR-PIM315

The Bearables Bear LED Badge is a wearable, sewable badge featuring 12 coloured LEDs and 12 built-in light patterns. Press the multi-function button to cycle through patterns, put the badge to sleep, or activate trigger mode for use with Bearables analog sensors connected via conductive thread. ...

SKU: TB-SB1770

These high capacity batteries are used in many desktop and notebook computers to retain date, time and configuration information while the computer is switched off. They are also useful where long shelf life is important or when the battery is to be fitted into difficult or sealed access areas. ...

SKU: TB-SB2300

A 14500-size rechargeable lithium-ion battery with 800mAh capacity and 3.7V nominal voltage. The 14500 form factor is the same size as a standard AA battery, making it a common choice for LED torches and other compact devices that accept this cell type. This cell has a nipple (button-top) positiv...

SKU: AF-783

A compact coin cell battery holder designed for small portable and wearable electronics projects. It holds two 20mm coin cells (CR2032 is the most common size) wired in series to provide 6V nominal output, with an on/off switch built into the top for convenient power control. The holder features...

SKU: AF-653

This sewable CR2032 battery holder makes it easy to add power to wearable electronics projects. Two small 1mm holes in the metal connection tabs are perfectly sized for a #5 or smaller needle to pass through, so you can stitch it directly onto fabric with conductive thread. One tab connects to g...

SKU: SF-GPS-26620 · MPN: GPS-26620

Built around the Quectel LG290P, this compact RTK GNSS breakout is designed for high-precision positioning projects that need quad-band, multi-constellation reception. It follows the same board dimensions, pin layout and connectors as SparkFun’s GPS-RTK-SMA Breakout - ZED-F9P (Qwiic), making it a...

SKU: SF-PRT-00338

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be ta...

SKU: PI-COM1900

A sewable coin cell battery holder designed for wearable electronics projects. The metal tabs have small 1mm holes that accommodate a #5 or smaller needle, making it easy to sew directly onto fabric with conductive thread. The holder accepts standard CR2032 lithium coin cells (3V, ~200mAh), whic...

SKU: AF-1578

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 500mAh for a total of about 1.9 Wh. If you need a larger (or smaller!) battery, we have a full range of LiP...

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...

SKU: SF-GPS-25662 · MPN: GPS-25662

Built for field surveying, this heavy-duty RTK unit combines a multi-band GNSS receiver, internal antenna, battery, Bluetooth, WiFi and a 915MHz LoRa radio in a rugged enclosed design. It is intended to make Base/Rover setup straightforward while handling rough use across varied environments.Gali...

SKU: LB-PRT-12618

An enclosed coin cell battery holder for two CR2032 batteries wired in series, delivering up to 6 V output. The holder features a built-in on/off slide switch and two 150 mm (6″) power leads (positive and negative). A secure screw-down enclosure with two Phillips head screws keeps batteries safel...

SKU: AF-1870

A simple sewable breakout board with a CR2032 coin cell battery holder pre-soldered on and 0.1" pitch breakout pins for easy connection. Ideal for powering very low-current projects or adding a battery backup circuit to a real-time clock or similar module. Key Features CR2032 Coin Cell Holder ...

SKU: LB-CR2032-SAFE

A child-safe, screw-closed battery enclosure for a single CR2032 coin cell, designed to meet ACCC button battery safety guidelines. The compartment requires a screwdriver to open, preventing young children from accessing the battery. A breakout board on the enclosure allows you to apply copper ta...

SKU: SF-GPS-30975 · MPN: GPS-30975

Built around the u-blox ZED-F9T-20B receiver, this breakout is made for projects where precise time matters as much as location. Under clear skies it can provide five nanoseconds of timing accuracy without requiring external GNSS correction data, making it suitable for 5G IoT networks, distribute...

SKU: LB-BK-LR0347A

A sewable coin cell battery holder with built-in on/off slide switch, designed for e-textile and wearable electronics projects. This bulk 10-pack is ideal for classrooms, workshops, and makerspaces. Each holder accepts a standard 20 mm coin cell battery (CR2032) and features sewable tabs for eas...