Description
Upgrade your 18650 lithium battery pack with this high-efficiency 3S 20A BMS (Battery Management System) protection board. Designed for 3-series cell packs, it ensures safe and stable performance with built-in balance charging.
Whether you’re building DIY battery packs for e-bikes, solar storage, or power tools, this BMS provides intelligent protection against overcharging, over-discharging, overcurrent, and short circuits. The balancing feature keeps all 3 cells evenly charged, increasing battery life and system efficiency.
Specifications:
– Supports: 3S 18650 Li-ion battery pack
– Continuous Discharge: 20A
– Charging Voltage: 12.6V
– Built-in balance function
– Compact design, easy to install
Applications: E-bikes, solar systems, DIY battery packs, LED lighting, and more.





amir –
Orignal Product