3S 20A BMS (Battery Management System) for 18650 Lithium-ion Battery Pack, 12V Protection Board with Balance Function

HKN 3S 20A BMS is designed to protect and enhance the performance of your 3S 12V Lithium-ion battery packs (18650 cells). With overcharge, over-discharge, overcurrent, and short circuit protection, this BMS ensures long battery life and safe operation. Perfect for DIY battery packs, e-bikes, power banks, solar lighting, robotics, and other lithium-ion powered projects.

✅ Specifications:

• Battery Type: Lithium-ion 18650

• Configuration: 3S (3 Cells in Series = 12.6V Max)

• Continuous Discharge Current: 20A

• Peak Current: 30A (Max)

• Functions: Overcharge, Over-discharge, Overcurrent, Short Circuit Protection

• With Balance Function for equal charging of all cells

✅ Key Features:

• Ensures safe charging and discharging of lithium-ion batteries

• Prevents overheating & short circuits

• Extends battery pack lifespan

• Compact & easy to integrate into DIY projects

• Ideal for 12V battery packs, e-bikes, solar lights, power tools, and robotics

⚡ Why Choose HKN BMS?
HKN Enterprises delivers high-quality battery protection boards built for durability, safety, and performance in various energy storage applications.