Skip to main content
Need help choosing the right robotics product? Call iBuyRobotics: (855) I-BUY-ROBO | (855) 428-9762
occkic

BMS 3S 18650 Lithium Battery Charger Protection Board 3S 20A 12.6V Charging Protecting Balancer Module Atmega

Features: Module name: 3S 12.6V Li-ion Lithium Battery 18650 Charger Protection PCB Board Suitable range: For nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries) Product Size: 64mmx20mmx3.4mm Material:Metal Charging voltage: 12.6V Maximum output current: 20A Maximum output power / charging power: 252W Precautions: 1.Strictly according to the diagram wiring: 0V/4.2V/8.4V/12.6V,Otherwise it will cause damage to the chip. 2.After connection,it need to first

  • Powerful, high-efficiency processing core for rapid script execution
  • Onboard USB-to-UART bridge for clean code uploads and serial logging
  • Full compatibility with Arduino IDE, VS Code, and MicroPython
  • Rich array of GPIO, ADC, PWM, I2C, and SPI pins for broad expansion
  • Built-in low-dropout (LDO) voltage regulator for stable board supply
  • Compact, double-sided PCB layout ideal for tight project custom cases
  • Integrated Wi-Fi and Bluetooth BLE transceivers for smart IoT control
$4.39 $5.71 Save 23%
In Stock
Best For: Embedded systems developers, IoT experimenters, and hobbyists building the brain of their smart automation and robotic systems.
Secure checkout
Fast shipping
30-day returns

Need help before you buy?

Call iBuyRobotics for product guidance, compatibility questions, bulk orders, or support.

(855) I-BUY-ROBO (855) 428-9762
Take your robotics projects to the next level with the BMS 3S 18650 Lithium Battery Charger Protection Board 3S 20A 12.6V Charging Protecting Balancer Module Atmega. This premium Battery Management Systems component has been carefully selected and tested to meet the demanding standards of robotics engineers, students, and maker community creators. Whether you are building an autonomous robotic chassis, an advanced sensor array, or a custom motor drive setup, this product provides the exact precision and electrical stability you need. Equipped with advanced technical features, it guarantees smooth integration into standard microcontrollers, Raspberry Pi systems, or specialized industrial PLCs. Buy now at iBuyRobotics to enjoy fast shipping and expert technical support!

Use Cases

Microcontroller firmware writing, edge computing, wireless IoT remote control, sensor data logging, and central robot coordination.

Compatibility Notes

Compatible with Arduino IDE, VS Code (PlatformIO), Espressif IDF, MicroPython, and standard prototyping breadboards.

Frequently Asked Questions