Ratti3
Published © GPL3+

BQ25896 ATMega32U4 Lithium Battery Charger with Powerbank

An advanced lithium battery charger and powerbank with a SSD1306 OLED display, charges 18650, 20700 and 21700 batteries.

IntermediateFull instructions provided20 hours481
BQ25896 ATMega32U4 Lithium Battery Charger with Powerbank

Things used in this project

Hardware components

Texas Instruments BQ25896
See EasyEDA project page for full BOM.
×1
ATmega32U4
Microchip ATmega32U4
See EasyEDA project page for full BOM.
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

Full updated schematics on EasyEDA

As I may update schematics, it's best to grab it from my EasyEDA project page, check the main post for links.

Code

Github Repo with Gerbers and BOM

Credits

Ratti3

Ratti3

3 projects • 12 followers
IT Engineer with an interest in electronics.

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