Li-ion 3S 20A BMS (Battery Management System)

🔋 Li-ion 3S 20A BMS (Battery Management System) – For 11.1V / 12.6V 3-Cell Lithium-Ion Battery Packs

Ensure the safety and performance of your 3-cell Li-ion battery pack with this reliable 3S 20A BMS. Designed to manage and protect 11.1V/12.6V Li-ion battery configurations, this BMS module offers overcharge, over-discharge, overcurrent, and short-circuit protection.

✅ Features:

• Suitable for 3S (3-cell) Li-ion / Li-Po batteries

• Supports continuous discharge current of 20A

• Built-in protection for:

  • 🔌 Overcharge

  • 🔋 Over-discharge

  • ⚡ Overcurrent

  • ❌ Short-circuit

• Compact and lightweight design for easy integration

📐 Specifications:

• Battery Type: Li-ion / Li-Po (3S)

• Input Voltage: 12.6V max

• Rated Discharge Current: 20A

• Overcharge Voltage: ~4.25V ±0.05V per cell

• Over-discharge Voltage: ~2.7V ±0.1V per cell

• Short Circuit Protection: Yes

• Operating Temperature: -20°C to +60°C

• Board Size: Approx. 56mm x 17mm x 3mm

🛠️ Applications:

• DIY battery packs

• E-bikes and electric toys

• Portable power banks

• Solar-powered systems

• LED lighting backup systems