All Products

SKU: SF-WRL-15663 · MPN: WRL-15663

Built around Espressif's ESP32-WROOM module, this Feather-compatible development board is a handy starting point for WiFi, Bluetooth and battery-powered IoT projects. The dual-core Xtensa 32-bit LX6 processor runs at up to 240MHz, with 16MB of embedded flash and 520KB of internal SRAM on hand for...

SKU: AF-5580 · MPN: 5580

The Adafruit MAX17048 LiPoly/LiIon Fuel Gauge and Battery Monitor gives you accurate battery voltage and charge percentage readings for your 1S 3.7–4.2V lithium polymer or lithium ion battery. Instead of guessing remaining capacity from a non-linear voltage curve, this smart sensor does the maths...

SKU: AF-4236 · MPN: 4236

A 3.7 V lithium-ion polymer (LiPo) battery with 420 mAh capacity (approximately 1.55 Wh). It features a short cable with a genuine 2-pin JST-PH connector that clicks smoothly into matching JST jacks without snagging. The battery includes built-in protection circuitry that guards against overchar...

SKU: SF-PRT-12711

The SparkFun USB LiPoly Charger is a single-cell Li-Ion/Li-Polymer battery charging board based on the MCP73831T. It charges 3.7V LiPo cells at a selectable rate of 500 mA or 100 mA via a solder jumper, with power input from either USB or a barrel jack connector. The board includes a SYS OUT JST...

SKU: AF-258 · MPN: 258

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 1200mAh for a total of about 4.5 Wh. If you need a larger battery, we also have a 2500mAh+ modelThe batteri...

SKU: AF-328 · MPN: 328

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 2500mAh for a total of about 10 Wh. If you need a smaller battery, we also have a 1200mAh model The batter...

SKU: DF-DFR0208

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will wo...

SKU: AF-2750 · MPN: 2750

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 350mAh for a total of about 1.3 Wh. If you need a larger (or smaller!) battery, we have a full range of LiP...

SKU: AF-1570 · MPN: 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-00237

A compact 3.7 V 600 mAh lithium-ion polymer (LiPo) battery with a genuine 2-pin JST-PH connector. The battery includes built-in protection circuitry against overcharge, over-discharge (cuts off at 3.0 V), and short circuits. The genuine JST connector clicks smoothly in and out of matching jacks w...

SKU: LB-00253

A compact 3.7 V lithium-ion polymer (LiPo) battery with a 180 mAh capacity (~0.6 Wh). Thin, lightweight, and fitted with a genuine 2-pin JST-PH connector for reliable, snag-free connections to compatible chargers and development boards. Includes built-in protection circuitry to guard against ove...

SKU: AF-1317 · MPN: 1317

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 150mAh for a total of about 0.6 Wh. If you need a larger battery, we have a full range of bigger cellsThe b...

SKU: AF-4237 · MPN: 4237

A compact 3.7 V 350 mAh lithium-ion polymer (LiPo) battery with a short cable and genuine 2-pin JST-PH connector. The slim, lightweight form factor makes it ideal for wearables, IoT devices, and portable electronics projects. The battery includes built-in protection circuitry that guards against...

SKU: AF-4755 · MPN: 4755

The Adafruit Universal USB/DC/Solar Lithium Ion/Polymer Charger (bq24074) charges 3.7V/4.2V LiPo or LiIon batteries from virtually any power source — USB Type-C, DC adapter, or solar panel — with a wide 5–10V input range. Its near-MPPT solar tracking automatically draws the maximum current availa...

SKU: AF-5723

The Feather RP2040 with USB Type A Host adds a full USB Type A port to the Feather, letting you connect USB devices like keyboards, mice, flash drives, and serial peripherals. The USB host functionality is achieved through the RP2040's PIO peripheral, which emulates a USB host controller while ke...

SKU: AF-4884 · MPN: 4884

The Feather RP2040 brings the Raspberry Pi RP2040 dual-core processor to the Feather platform. With two ARM Cortex M0+ cores running at ~125 MHz, 264 KB SRAM, 8 MB SPI flash, and the RP2040's unique PIO (Programmable I/O) state machines, this board offers excellent performance for CircuitPython, ...

SKU: WS-17674

AI Autonomous Racing Robot Powered by Raspberry Pi 4, Supports DonkeyCar Project, Deep Learning, Self Driving Note: the Raspberry Pi 4 is optional.   SAFETY CAUTIONS Li-ion and Li-po batteries are quite unstable. They may cause fire, personal injury, or property damage, if they're not...

SKU: PI-WARE004

Badger 2350 is an all-in-one wearable badge built around a fast-updating 2.7" four-level greyscale electronic paper display. It arrives fully assembled in a sturdy polycarbonate case with a built-in rechargeable battery, so it can be worn on the included lanyard or propped up on a desk for signag...

SKU: AF-764 · MPN: ADA764

Circuit Playground Bluefruit is a round, beginner-friendly electronics and programming board with Bluetooth® Low Energy built in. It builds on the Circuit Playground Express concept with a more powerful nRF52840 microcontroller, making it suitable for wireless projects, wearables, sensors, intera...

SKU: SF-GPS-17370 · MPN: GPS-17370

This field-ready RTK kit is built for centimetre-level global positioning measurements using GNSS RTK. The RTK Surveyor is a Bluetooth® enabled multi-band GNSS receiver based on the ESP32 from Espressif and the ZED-F9P from u-blox, with 300mm approximate accuracy out of the box and 18mm accuracy ...