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Here are the most relevant picks for Li-ion / LiPo (LiPoly) projects—mostly focused on single-cell (1S) 3.7V nominal / 4.2V full batteries, plus charging and monitoring.
Battery monitoring (fuel gauges / meters) for 1S LiPo/Li-ion
- Adafruit LC709203F LiPoly / LiIon Fuel Gauge and Battery Monitor - STEMMA JST PH QT / Qwiic (I2C, reports voltage + state-of-charge %) — $13.95
- Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor (I2C, accurate % remaining for 1S 3.7–4.2V) — $12.90
- Single Li-Ion and LiPoly Battery Power Meter (standalone little display meter for single-cell packs) — $5.90
Charging / power modules (LiPo/Li-ion)
- Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1] (USB charger for 1S 3.7V/4.2V) — $14.75
- USB LiIon/LiPoly charger [v1.2] (USB mini-B Li-ion/LiPo charger module) — $26.00
- USB / DC / Solar Lithium Ion/Polymer charger [v2] charges from USB / DC / solar (useful for off-grid builds) — $35.15
- Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py compact charger add-on for QT Py + 1S LiPo/Li-ion — $10.55
- PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+ boosts 1S LiPo/Li-ion to 5V + built-in charging — $32.40
- PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A [1000C] same idea, higher 5V output current — $40.10
Batteries / cells (examples in catalog)
- Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh 1S LiPo with JST-PH lead — $13.95
- 14500 Rechargeable Li-Ion Battery 800mAh 3.7V Nipple 14500 (AA-size) 3.7V Li-ion cell — $10.75
- 18650 3.7v li-ion rechargeable battery with charge protection 18650 with built-in protection PCB — $12.35
18650 accessories
- Smart Charger for 18650 4.2V Li-ion battery multi-slot Li-ion charger for cylindrical cells — $9.25
- 18650 Battery holder without DC connector simple single-cell holder with leads — $2.15
Handy LiPo connector tool
- Adafruit JST PH LiPo Battery Connector Remover helps safely unplug JST-PH LiPo/Li-ion packs without yanking wires — $4.80
Which type are you trying to buy?
Showing 41-60 of 85 products · 15 unavailable products hidden
FireBeetle 2 Board ESP32-S3-U (N16R8) AIoT Microcontroller with Camera (Wi-Fi & Bluetooth Routed through Cable)
FireBeetle 2 ESP32-S3-U is a high-performance main controller built around the ESP32-S3-WROOM-1U-N16R8 module. ESP32-S3-WROOM-1U-N16R8 comes with 16MB Flash and 8MB PSRAM for storing more data. The acceleration for neural network computing and signal processing workloads provided by the ESP32-S3 ...
FireBeetle 2 Board ESP32-S3 (N16R8) AIoT Microcontroller with Camera (Wi-Fi & Bluetooth on Board)
FireBeetle 2 ESP32-S3 is a high-performance main controller built around the ESP32-S3-WROOM-1-N16R8 module. ESP32-S3-WROOM-1-N16R8 comes with 16MB Flash and 8MB PSRAM for storing more data. The acceleration for neural network computing and signal processing workloads provided by the ESP32-S3 chip...
PicoGo Mobile Robot, Based on Raspberry Pi Pico, Self Driving, Remote Control
The PicoGo is a smart mobile robot platform designed for the Raspberry Pi Pico. It integrates line-following, obstacle avoidance, ultrasonic ranging, object tracking, Bluetooth and IR remote control, an LCD display, and RGB LEDs — all on a single board with no messy external wiring. Powered by t...
ESP32-C3-DevKit-RUST-1 - 4 MB Flash
ESP32-C3-DevKit-RUST-1 is an entry-level RISC V development board equipped with the ESP32-C3-MINI-1, a powerful, generic Wi-Fi + Bluetooth LE MCU module that features a rich set of peripherals, yet an optimized size. It's an ideal choice for a wide variety of application ...
RP2040 Microcontroller Development Board, with 1.28inch Round Touch LCD, Compact size, Accelerometer And Gyroscope Sensor
RP2040 Microcontroller Development Board, with 1.28inch Round Touch LCD, Compact size, Accelerometer And Gyroscope Sensor RP2040-Touch-LCD-1.28 Based on Raspberry Pi RP2040 Features RP2040-Touch-LCD-1.28 is a low-cost, high-...
Mini Uninterruptible Power Supply module, Supports charging And Power output at the same time, 5V 2.5A Output
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...
UPS HAT (D) for Raspberry Pi, Supports 21700 Li battery (NOT included), 5V Uninterruptible Power Supply, Pogo Pins Connector
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...
10 x JST-PH 2-Pin SMT Right Angle Connector Black
A 10-pack of JST-PH 2-pin SMT right-angle connectors. This is the standard connector used on single-cell LiPo and Li-Ion batteries, making it essential for any battery-powered project. The right-angle orientation and surface-mount pins keep wiring neat and low-profile. Compatible with JST-PH 2-p...
FireBeetle 2 ESP32-UE (N16R2) IoT Microcontroller (16MB Fl., 2MB PS., Supports Ext Antenna, Wi-Fi & Bluetooth)
FireBeetle 2 ESP32-UE (N16R2) is a powerful IoT microcontroller that supports external Bluetooth & WiFi antennas and features 16M Flash and 2M PSRAM. This product enhances memory capacity and operating space, enabling superior performance for applications such as the LVGL graphics library for int...
Raspberry Pi 5 18650 Battery UPS HAT (5.1V 5A)
This is an uninterruptible power supply (UPS) expansion board specifically designed for Raspberry Pi 5 Single Board Computer. It can be used as a mobile power supply, providing a stable 5V output with a maximum of 5A.Its enhanced power management system can intelligently monitor the power status ...
Beetle RP2350 Mini Dual-Core Development Board (ARM Cortex-M33 / RISC-V)
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The Beetle RP2350 is a coin-sized development board built around the Raspberry Pi RP2350 microcontroller with a unique dual-core, dual-architecture design. Choose between ARM Cortex-M33 or Hazard3 RISC-V cores running at 150 MHz, with 520 KB of RAM and 2 MB of flash — delivering serious processin...
4-Channel Universal Fast Charger with LCD
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...
DFRobot Solar Power Manager Kit with 9V Panel
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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...
Adafruit Pro Trinket LiIon/LiPoly Backpack Add-On
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...
![Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCEstJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--f95360d56feb83370082bddc8408553d8a58647b/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_78af71ef-b059-4f99-8fca-17b262c922fb.jpg)
Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]
The Adafruit Micro Lipo with MicroUSB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Micro USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
![Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger [v1]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCkrZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--058761dab598dd82b0c9fbda207fc9cc73dfaea7/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_4013e461-bb76-4a6d-9352-13d44ac97f83.jpg)
Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger [v1]
The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
![USB LiIon/LiPoly charger [v1.2]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCAqZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--7b30f544b5fad470498e661709a15f8ba7e24a27/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_4a429881-b39f-4916-bc34-aa5b770aa089.jpg)
USB LiIon/LiPoly charger [v1.2]
This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-volta...
![Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCb15JIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--713d247a847ac6644cecad8046855bb70fe81253/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_d5e6853a-ec63-4e5f-baef-20c3f105ffd8.jpg)
Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]
The Adafruit Micro Lipo is a tiny USB charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Its gold-plated PCB-style USB connector plugs directly into any USB port — connect your battery via the JST plug and charging begins automatically. Two LEDs indicate sta...
![PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A [1000C]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCIsxJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--0063d525f306a0166b4bf9f99eba9cd17e7b5d4e/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_59bf303f-d541-4951-b179-afe9c9c154c2.jpg)
PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A [1000C]
The PowerBoost 1000C is a DC/DC boost converter with a built-in LiPo battery charger and smart load-sharing circuit. It takes any 3.7V LiIon/LiPoly battery and boosts the output to 5.2V for powering 5V projects like Arduino, Raspberry Pi, or BeagleBone — even while the battery is charging. The l...
Lithium Ion Polymer Battery - 3.7v 1200mAh
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.The batteries come pre-attached with a genuine 2-pin JST-PH connector a...
