Description
What it is
The 4S battery protection board is a crucial component to ensure the safety and efficiency of your lithium-ion batteries during Arduino, drone, or robotic system projects. This device monitors and controls the battery charge level.
Features
- Operating voltage: 14,8 V / 16,8 V (check the datasheet)
- Maximum protection voltage: check the datasheet
- Maximum protection current: 20 A
- Compatible with 4S batteries
What it is for
It is designed to protect your lithium-ion batteries from harmful conditions such as overcharge, undercharge, and short circuit. It is ideal for projects requiring stable and protected power supply, such as drones or robotic systems.
Tutorial: How to use 4S Battery Protection Board
The 4S battery protection board is essential to ensure the safety and efficiency of your lithium-ion batteries. This component is ideal for projects that require stable and protected power supply, such as drones or robotic systems.
What you need
- 18650 Battery
- XT90 Connectors
- Arduino Uno (optional)
- Soldering Tools
Steps
- Check the datasheet to verify your battery’s compatibility with the board.
- Connect the XT90 connectors to the board and the battery.
- If necessary, connect a USB serial port to monitor the operation.
- Configure the protection settings (charge threshold, etc.) according to the datasheet specifications.
- Test the configuration with a battery charger or a stable power supply.
- Verify that the board balances the energy correctly across all cells.
Mini project
Create a battery management system for a 30-minute drone, monitoring charge levels and protecting the system.
Common mistakes
- Omit the configuration of protection settings.
- Connect the board to the circuit without testing it separately first.
- Ignore the datasheet instructions regarding battery specifications.
Recommended accessories
- 18650 Batteries
- Lab Battery Charger
- XT90 Connector
Frequently asked questions
How can I configure the charge threshold?
Check the datasheet to set the charge and discharge thresholds correctly.
What is the importance of battery balancing?
Balancing ensures that all cells have the same voltage, extending the battery’s life.






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