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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 81-100 of 100 products
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. If you need a larger battery, we also have a 2500mAh+ modelThe batteri...
Lithium Ion Polymer Battery - 3.7v 2500mAh
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...
Lithium Ion Polymer Battery - 3.7v 350mAh
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...
Adafruit Gemma Sensor Starter Pack
Get started with wearable electronics using the Adafruit Gemma Sensor Starter Pack. This all-in-one kit includes a GEMMA V2 board, sewable RGB NeoPixels, multiple sensors, a rechargeable battery with charger, and everything you need to build interactive sewable projects — no soldering required. ...
GEMMA Talking Toy Guts Sound Pack
Mod your stuffed toy to chirp, meow, or woof! This GEMMA parts pack makes it easy to add simple sounds to any plush toy, and especially the Sew-Your-Own Owl Kit (not included!) A tilt ball switch is used to trigger GEMMA to play a sound of your choosing (or write your own) through a small spea...
Lithium Ion Polymer Battery - 3.7v 500mAh
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...
Lithium Ion Polymer Battery - 3.7v 100mAh
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 ...
3.7v 2500mAh Li-battery
A 3.7 V lithium-ion polymer (LiPo) battery with a generous 2500 mAh capacity (~10 Wh). Thin, lightweight, and fitted with a 2-pin JST-XH connector for reliable connections to compatible chargers and development boards. Includes built-in protection circuitry to guard against overcharging, over-di...
3.7v 180mAh Li-poly battery
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...
USB / DC / Solar Lithium Ion/Polymer charger [v2]
This versatile LiIon/LiPo battery charger accepts power from three sources: a 6 V solar panel (via 2.1 mm DC jack), USB Mini-B, or a 5 V DC adapter. It features automatic charging current tracking that draws the maximum possible current from a solar panel in any light condition, providing near-MP...
Lithium Ion Polymer Battery - 3.7v 150mAh
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...
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh
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 400mAh for a total of about 1.9 Wh. If you need a larger (or smaller!) battery, we have a full range of LiP...
2 x AAA Battery Holder with On/Off Switch JST PH Connector
A slim 2×AAA battery holder with a built-in on/off switch and genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and portable builds. The JST PH connector polarity matches Adafruit's Li-Ion/LiPo ...
2 x AA Battery Holder with On/Off Switch JST PH Connector
A slim 2×AA battery holder with a built-in on/off switch and genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and portable builds without needing to disconnect the battery to turn off power. The...
2 x AAA Open Battery Holder with JST PH Connector
A slim, open-top 2×AAA battery holder with a genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and boards with JST PH battery inputs. The JST PH connector polarity matches Adafruit's Li-Ion/LiPo...
2 x AA Open Battery Holder with JST PH Connector
A slim, open-top 2×AA battery holder with a genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, Adafruit boards, and microcontrollers with JST PH battery inputs. The JST PH connector polarity matches Adafruit's Li-I...
Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh
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...
3x AA Battery Holder with On/Off Switch and 2-Pin JST
This compact battery holder connects 3× AA batteries in series, providing 3.3–4.5V output — a similar range to lithium-ion/polymer batteries. It features a built-in on/off switch and a genuine JST-PH 2-pin connector with a 6" cable, making it a convenient drop-in power source for 3.3V projects wi...
FireBeetle 2 ESP32-S3 (N4) Dual-core IoT Microcontroller (No Cam, 4MB Fl., 512KB SR., Supports AI Acceleration)
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The FireBeetle 2 ESP32-S3 (N4) is a main control board based on the Espressif ESP32-S3-WROOM-1-N4 module. It features a 32-bit dual-core processor, 4M FLASH memory, and supports WiFi and Bluetooth 5.0 communication. The board is equipped with AI acceleration capability, making it suitable for low...
FireBeetle 2 ESP32-E (N16R2) IoT Microcontroller (16M / 2M, Supports Wi-Fi & Bluetooth)
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##Introduction The FireBeetle 2 ESP32-E (N16R2) IoT development board equipped with 16M Flash and 2M PSRAM. It is designed to provide superior performance for applications such as the LVGL graphics library for interface design and interaction. Built on the foundation of Espressif's ESP32-WROOM-32...