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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 21-40 of 50 products · 10 unavailable products hidden
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...
Lithium Ion Polymer Battery - 3.7v 1200mAh
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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 Ideal For Feathers - 3.7V 400mAh
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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...
Lithium Ion Polymer Battery - 3.7v 2500mAh
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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 Battery - 3.7v 2000mAh
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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 2000mAh. If you need a larger (or smaller!) battery, we have a full range of LiPoly batteriesThe batteries ...
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...
Lithium Ion Polymer Battery - 3.7v 350mAh
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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...
Orange Cream MA Keycaps for MX Compatible Switches - 5 pack
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A 5-pack of Orange Cream MA profile keycaps for Cherry MX compatible switches. These gumdrop-like, retro-styled keycaps feature a fully symmetric curved profile, making them ideal for macro pads, custom keyboards, and NeoKey projects. MA profile keycaps are symmetric in all four directions and r...
![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]
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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...
Flexinol - 0.012 Diameter (1 foot)
This 0.012" Flexinol® Actuator Wires (aka shape memory Nitinol) is a one foot long piece of nickel-titanium alloy that can flex and contract when a specific amount of heat or current is applied to it and are made specifically for linear actuators to replace small motors or solenoids. If you are a...
PowerBoost 1000 Basic - 5V USB Boost @ 1000mA from 1.8V+
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PowerBoost is the perfect power supply for your power-hungry portable project! This little DC/DC boost converter module can run from 1.8V batteries or higher, and convert that voltage to 5.2V DC for running your 5V projects. With a beefy 4A DC/DC converter, it can give you 1A+ from as low as 2...
Lithium Ion Battery Pack - 3.7V 4400mAh
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Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage and over-current protection. Each cell can provid...
Buck-Boost DC/DC Converter 8-36V to 12V 6A
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When your system needs a stable 12V rail from a variable DC supply, this industrial-grade buck-boost converter is built to deliver. It accepts a wide 8 to 36VDC input range and regulates it to 12V for loads up to 6A, or 72W.The buck-boost design automatically switches between stepping voltage dow...
Switched JST-PH 2-Pin SMT Right Angle Breakout Board
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This switched JST connector is the best way to quickly prototype with our LiPoly batteries. We paired a genuine JST connector with a slide switch that can do up to 600mA. Both are soldered onto a breadboard-friendly breakout. There's two ground pins, one 'switched' power pin, and one pin that ...
NeoPixel Addressable 1111 LEDs (1.1mm x 1.1mm) - 50 Strip
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Incredibly tiny 1111-size (1.1mm × 1.1mm) individually addressable RGB NeoPixel LEDs for creating ultra-compact or high-density smart LED designs. These are the same integrated LED technology used in NeoPixel strips and pixels, but at a fraction of the size — 20× smaller than standard 5050 NeoPix...
![FLORA - Wearable electronic platform: Arduino-compatible [v3]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCRKJJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--4d888a8c33ff40271e66dd3149cfddcb88d2ebb3/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_bde1af31-7ec1-41fd-8266-c6e52761638a.jpg)
FLORA - Wearable electronic platform: Arduino-compatible [v3]
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FLORA is Adafruit's fully-featured wearable electronics platform. It's a round, sewable, Arduino-compatible microcontroller designed to empower amazing wearables projects.FLORA comes with Adafruit's support, tutorials and projects. Check out dozens of FLORA tutorials on the Adafruit Learnin...
AltIMU-10 v5 Gyro, Accelerometer, Compass, and Altimeter (LSM6DS33, LIS3MDL, and LPS25H Carrier)
The Pololu AltIMU-10 v5 is a compact inertial measurement unit (IMU) and altimeter that combines a gyroscope, accelerometer, magnetometer, and barometric pressure sensor on a single board. It provides ten independent measurements — pressure, 3-axis rotation, 3-axis acceleration, and 3-axis magnet...
TOF Sense Laser Range Sensor (5m)
TOF Sense is a TOF-based (Time of Flight) laser ranging sensor that offers 1cm-5m detection range, 1mm resolution, ± 1.5cm error, and 10Hz data update frequency. The sensor supports 15 ° ~ 27 ° adjustable FOV, UART and CAN communication (selected by setting). Besides, it allows users to actively ...
Alphabet LED Filament - Warm White Letter "O"
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A warm-white LED filament shaped as the letter "O", made from COB (chip on board) LEDs — the same technology found in Edison-style LED bulbs. Dozens of micro LED diodes are bonded onto a thin metal backing and coated in silicone, producing a bright, uniform glow from both sides. Lightweight and ...
Alphabet LED Filament - Warm White Letter "P"
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A warm-white LED filament shaped as the letter "P", made from COB (chip on board) LEDs — the same technology found in Edison-style LED bulbs. Dozens of micro LED diodes are bonded onto a thin metal backing and coated in silicone, producing a bright, uniform glow from both sides. Lightweight and ...
