batteries & power « Adafruit Industries – Makers, hackers, artists, designers and engineers!

Popular Categoriesview all

3D printing (16118)
Raspberry Pi (9990)
art (8601)
wearables (5072)
science (4469)
arduino (4457)
random (3748)
CircuitPython (3611)
adafruit learning system (3165)
music (3084)

costuming (3031)
cosplay (2809)
robotics (2731)
educators (2662)
community (2649)
history (2532)
space (2476)
ask-an-engineer (2459)
New Products (2356)
holiday (2303)

New Postsview all

April 17, 2025 at 1:00 pm
The Cross Spherical gear #3Dprinting

April 17, 2025 at 12:10 pm
NEW PRODUCTS – Silicone Cover Stranded-Core…

April 17, 2025 at 12:05 pm
EYE ON NPI – Vishay VEML6046X00 RGBIR Color…

Featured Postsview all

April 10, 2025 at 2:23 pm
TARIFF TALK! WITH LADYADA – April 10, 2025…

April 9, 2025 at 4:54 pm
New nEw NEWS From Adafruit Round-Up: January,…

April 7, 2025 at 8:21 am
National Robotics Week 2025 #Roboweek @roboweek…

April 1, 2025 AT 11:47 am

“The Little Guy” dev kit

— by Anne Barela

Filed under: batteries & power, displays, ESP32-S3, feather, projects —
Tags: Feather ESP32-S3 TFT, fidget, Personal companion —

March 14, 2025 AT 5:44 pm

An off-grid RFID card reader based on Raspberry Pi 2W and Python #PiDay @Raspberry_Pi

— by Anne Barela

Filed under: batteries & power, python, Raspberry Pi, rfid / nfc, Zero —
Tags: Raspberry Pi Zero 2W —

February 5, 2025 AT 9:01 am

Paralyzed jockey lost his ability to walk after manufacturer refused to fix the battery for his $100,000 exoskeleton

— by Anne Barela

Filed under: assistive technology, batteries & power, Repair, Restoration —
Tags: assistive technology, obsolescence, right to repair, warranty —

February 3, 2025 AT 11:50 am

Desk of Ladyada – Kiddo Kart Repair #adafruit #battery @adafruit

— by Anne Barela

Filed under: Adafruit Video, batteries & power, Desk of Ladyada —
Tags: battery, charge, lead acid, replace, Replacement, sealed lead acid —

February 3, 2025 AT 11:42 am

The Great Search: 12V Lead Acid Battery for Bumper Kart #TheGreatSearch #DigiKey @Digikey @adafruit

— by Anne Barela

Filed under: Adafruit Video, batteries & power, components & parts, power supply, The Great Search —
Tags: battery, charge, lead, Replacement, sealed lead acid —

January 6, 2025 AT 10:50 am

LED Dreidel Project with Induction-Powered Lights

— by Erin St Blaine

Filed under: adafruit learning system, art, batteries & power, DIY, holiday, inductive, LEDs, projects, tutorials, Upcycling, wireless —
Tags: craft, diy, dreidel, driedel, family, festival of lights, hanukkah, holiday, induction, inductive, jewish, light, Make, project —

December 18, 2024 AT 11:46 am

QT Py of the Day: Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py #QTPyOfTheDay

— by Anne Barela

Filed under: batteries & power, power supply, QT Py, QT Py BFF —
Tags: battery, charging, liion, lipoly, qt py —

December 17, 2024 AT 3:55 pm

Lower-cost sodium-ion batteries are finally having their moment

— by Ben

Filed under: batteries & power —
Tags: batteries —

December 6, 2024 AT 9:45 am

NEW GUIDE: Adafruit bq25185 USB / DC / Solar Charger with 5V Boost Board #AdafruitLearningSystem @Adafruit

— by Liz Clark

Filed under: adafruit learning system, batteries & power, Breakout Boards —
Tags: Adafruit bq25185 USB / DC / Solar Charger with 5V Boost, battery charging, BQ25185, dc, LiPo Batteries, power, solar, USB —

December 5, 2024 AT 11:30 am

NEW GUIDE: Adafruit bq25185 USB / DC / Solar Charger with 3.3V Buck Board #AdafruitLearningSystem @Adafruit

— by Liz Clark

Filed under: adafruit learning system, batteries & power, Breakout Boards —
Tags: Adafruit bq25185 USB / DC / Solar Charger with 3.3V Buck Board, BQ25185, lipo, lipo recharging, power, solar —

December 3, 2024 AT 3:20 pm

NEW GUIDE: Adafruit bq25185 USB / DC / Solar Lithium Ion/Polymer Charger #AdafruitLearningSystem @Adafruit

— by Liz Clark

Filed under: adafruit learning system, batteries & power, Breakout Boards, power supply, solar, USB —
Tags: Adafruit bq25185 USB / DC / Solar Lithium Ion/Polymer Charger, battery, BQ25185, dc, LiFePO4, liion, lipoly, power, solar, USB —

November 21, 2024 AT 12:35 pm

NEW PRODUCT – Adafruit bq25185 USB / DC / Solar Lithium Ion/Polymer charger

— by Angelica

Filed under: batteries & power, New Products —
Tags: batteries and power, battery power, breakout board, breakout boards, liion, lipoly, lipoly battery, new products, solar charger, Solar charging, solar power —

November 21, 2024 AT 12:15 pm

NEW PRODUCT – Adafruit bq25185 USB / DC / Solar Charger with 3.3V Buck Board

— by Angelica

Filed under: batteries & power, New Products —
Tags: breakout board, breakout boards, buck board, buck converter, liion, lipoly, lipoly battery, new products, solar charger, Solar charging —

October 28, 2024 AT 11:58 am

The Radio Shack Battery of the Month Club #ShackToberFest

— by Anne Barela

Filed under: batteries & power, history —
Tags: batteries, promotions, Radio Shack, ShackToberFest —

October 23, 2024 AT 3:15 pm

NEW GUIDE: Adafruit INA3221 Breakout #AdafruitLearningSystem @Adafruit

— by Liz Clark

Filed under: adafruit learning system, arduino, batteries & power, Breakout Boards, CircuitPython, power supply, Stemma QT —
Tags: Adafruit INA3221 - Triple 0-26 VDC, arduino, circuitpython, INA3221, Stemma QT —