All Products

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-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: DF-FIT0869

A 3S (3-series) battery protection module designed for connecting three 18650 or polymer lithium-ion cells in series to create a 12 V rechargeable battery pack. The board provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard your battery pack during charging ...

SKU: AF-2124

The Adafruit Pro Trinket LiIon/LiPoly Backpack is a tiny add-on board that sits on top of your Pro Trinket or ItsyBitsy, adding rechargeable LiPo battery support with automatic charging and power switching. When USB is connected, the battery charges automatically. Unplug USB and it seamlessly swi...

SKU: WS-24760

A compact uninterruptible power supply (UPS) module that supports simultaneous charging and power output. When external power is connected, it charges the batteries while providing a stable 5V output. If external power is lost, it automatically switches to battery power without interruption — kee...

SKU: AF-5383

This small, palm-sized battery power meter has a small display that shows off how much juice is left in your single Lithium Ion/Polymer rechargeable battery. The color display has four levels of power indication once battery capacity becomes 100%, 75%, 50%, and 25%. When power is below 25%, only ...

SKU: AF-4712

The Adafruit LC709203F Fuel Gauge monitors your single-cell LiPo or Li-Ion battery and reports both voltage and state of charge as a percentage over I2C. It handles the non-linear voltage-to-percentage conversion for you, so your project always knows exactly how much battery is left — just like t...

SKU: DF-DFR0535-1 · MPN: DFR0535-1

Build a compact off-grid power supply for embedded electronics, IoT nodes and low-power projects with this solar power management kit from DFRobot. It combines a Solar Power Manager board for 9V/12V/18V panels with a compact 9V 220mA solar panel.The controller integrates constant-voltage MPPT sol...

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: SF-PRT-10217

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA. It is designed to charge single-cell Li-Ion or Li-Polymer ba...

SKU: AF-6091 · MPN: ADA6091

The Adafruit bq25185 Charger is a versatile LiPo/LiIon/LiFePO4 charging board that supports USB, DC, and solar power input. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, offering multi-chemistry support, adjustable charge rates, smart power path management, and near-MPPT so...

SKU: WS-25567

The UPS HAT (D) is a powerful uninterruptible power supply designed for Raspberry Pi, offering seamless charging and power output with dynamic path management. This HAT provides stable 5V output, ensuring uninterrupted operation for your Pi projects. It supports 21700 Li-ion batteries (not includ...

SKU: AF-5906 · MPN: ADA5906

The Adafruit Proto Doubler PiCowbell gives your Raspberry Pi Pico or Pico W two side-by-side socket slots — plug in your Pico on one side and a PiCowbell accessory on the other, no soldering or stacking headers required. It also adds LiPo battery charging, a power switch, reset button, STEMMA QT ...

SKU: WS-19694

Uninterruptible Power Supply For Pico Keeps Your Pico Running While Recharging, Monitoring Battery Status Via I2C Features At A Glance The Pico-UPS-A is a dedicated UPS (Uninterruptible Power Supply) module designed for Raspberry Pi Pico. It incorporates Li-ion battery swi...

SKU: WS-23884

Uninterruptible Power Supply (UPS) Module, Supports charging And Power output at the same time, 3S & 5V 5A Output Uninterruptible Power Supply Module 3S  Supports charging and power output at the same time, 3S * & 5V 5A output   * 3S indicates that powered by 3x 18650 Li batteries...

SKU: DF-MBT0005

Micro: IO-BOX is a micro:bit multifunctional expansion board with on-board Li-ion battery power, delicate appearance and easy to use. We integrated numerous functions on the 6cm×6cm board such as 2-way driver motor, 9-way IO port, 2-way I2C port, 1-way serial port, 1-way buzzer, 4-way RGB LED, Li...

SKU: DF-DFR0535

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewable energy applications.   Solar Power Manager is a complete small power and high-efficiency solar power management module. It fea...

SKU: SF-PRT-18722 · MPN: PRT-18722

This constant current DC power supply provides a fixed 12.6V DC output with a constant 10A current output. It is a straightforward option for projects that need a rugged, enclosed supply for compatible loads such as LED lighting-type devices.The unit is built into a robust metal enclosure with an...

SKU: TB-MB3703

This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modulation (PWM) control, ensuring safe and efficient charging. A single Li-ion or LiF...

SKU: DF-DFR1247 · MPN: DFR1247

This smart UPS expansion board adds battery-backed power management to the LattePanda IOTA, giving portable and embedded builds a laptop-like uninterruptible power supply. It uses the standard HID-UPS protocol, so Windows 10 and Windows 11 can recognise it as a battery device without drivers or c...