How to Wire a 4S 20A BMS for a 12V Lithium Battery Pack

Building a 12V lithium-ion battery pack? You need a 4S BMS! In this video, I break down how to correctly wire a 4S 20A Battery Management System to your 18650 or 32700 lithium cells. Learn how to ensure your pack is balanced, protected, and lasts for years.
​In this video, we cover:
​Why a 4S BMS is required for a 12V (12.6V) configuration.
​Decoding the pinout: 0V, 3.7V, 7.4V, 11.1V (12.6V) connections.
​Understanding the 20A current rating—what can you power?
​The importance of "Cell Balancing" for long battery life.
​Critical testing tips to ensure your BMS is working correctly.​#BMS #LithiumBattery #12VBattery #DIYElectronics #BatteryManagementSystem #ElectronicsRepair #32700Battery #18650 #PowerElectronics

Видео How to Wire a 4S 20A BMS for a 12V Lithium Battery Pack канала Old School