Description

5S 15A Li-ion Battery BMS – 18650 Protection Board 18.5V–21V

🔋 5S 15A Li-ion Battery BMS Protection Board

The 5S 15A Li-ion Battery BMS is a compact and reliable protection board designed for 18650 lithium-ion battery packs configured in 5 series (5S). With a supported voltage range of 18.5V–21V, this board provides dependable performance for DIY battery packs, e-bikes, solar storage, and other electronics projects.

⚡ Key Features

• Supports 5S (5-cell) 18650 Li-ion packs

• Continuous discharge current: 15A

• Voltage range: 18.5V–21V

• Protection functions:

  • Overcharge protection

  • Over-discharge protection

  • Over-current protection

  • Short-circuit protection

• Compact design, easy to install in battery packs

📐 Specifications

• Battery Type: 18650 Li-ion

• Configuration: 5S (5 cells in series)

• Rated Voltage: 18.5V–21V

• Current Rating: 15A continuous

• Board Type: Protection PCB (BMS)

🎯 Applications

• DIY power banks

• E-bikes and scooters

• Solar energy storage

• Robotics & portable electronics

• Lithium battery repair & replacement projects

🚀 Why Choose This 5S 15A BMS?

Using a 5S 15A Li-ion Battery BMS ensures your lithium battery packs remain safe, efficient, and long-lasting. It balances and protects your 18650 cells, preventing damage caused by overcharging, deep discharging, or short circuits.