The 3S 10A BMS Protection Board for 18650 Li-Ion Battery – 11.1V 12.6V sits between those three cells and the charge and load circuits, monitoring individual cell voltages and total pack current to prevent the three conditions that damage lithium cells permanently overcharge past 4.2V per cell, over-discharge below the safe minimum voltage, and overcurrent from short circuits or sustained overloads. Three 18650 Li-Ion cells in series produce 11.1V nominal and reach 12.6V at full charge 4.2V per cell.
The lithium battery protection bms board operating current of 6 to 8A covers most moderate-load 3S pack applications small brushless motor drives, LED array drivers, and portable instrument power supply all typically draw within this range at 11.1V. The maximum input current rating of 10 to 13A handles the startup inrush that brushed DC motors and capacitive loads produce at switch-on, which briefly exceeds steady-state running current before settling to normal operating draw. Maximum input voltage of 12.6V confirms this board suits standard 3S Li-Ion cell chemistry where 4.2V per cell is the charge cutoff.
The 3S BMS 10A module operating temperature range of -40°C to +50°C extends well below standard indoor operating conditions covering cold-environment robotics, outdoor field equipment, and vehicle-mounted battery packs that experience temperature extremes during storage and operation. The 3s bms li ion battery protection board suits any DIY 3S 18650 pack requiring built-in cell protection without a separate external protection module.This board is working on 3S lithium battery construction and cell protection. Available on StemVolt.
Related Product:
Features:
- Series configuration monitors three individual cells in series pack
- 10A to 13A maximum current handles motor startup inrush on 3S pack discharge
- 12.6V max input voltage matches standard 3S Li-Ion full charge termination
- 3S 10A BMS protection board for 18650 li-ion battery suits cold-environment and vehicle-mounted pack
- Overcharge, over-discharge, overcurrent protection in single compact PCB board
Technical Specifications:
Applications:
- 3S 10A BMS protection board for 18650 li-ion battery protects 3S robot chassis drive battery pack
- 10A BMS module protects DIY 3S 18650 cordless power tool replacement battery pack
- 18650 3S BMS module protects 3S pack in portable outdoor solar lighting battery
- BMS module 10A protects 3S Li-Ion pack in RC ground vehicle battery enclosure
- Battery protection module 10A secures 3S 18650 pack in portable embedded computer system
Package Includes:
- 1 × 3S 10A BMS Protection Board for 18650 Li-Ion Battery
Ashutosh Deshpande –
Reliable protection circuit
Ramanathan Iyer –
Pre-sale guidance was helpful, and the 3S Li-ion battery protection board arrived in excellent condition.
Pema Khandu –
Needed a dependable 18650 lithium battery protection module, and this board delivered exactly that.
Dilip Mohanty –
Perfect for 3S packs
Manjunath Shetty –
Genuine quality board
Sudip Bhattacharya –
Assembled a custom battery pack using this 3S 10A BMS module, and performance stayed consistent.