TDT NMC 2S-4AMP Hardware BMS

The TDT NMC 2S-4 A Hardware Battery Management System (BMS) (also known simply as a protection board or PCM) is designed for 2-cell (2S) NMC / Li-ion battery packs, with a nominal voltage of approximately 7.4 V (fully charged around 8.4 V). It provides essential safety protections for batteries used in low-to-moderate current applications such as portable electronics, small power banks, tools, and DIY energy storage systems.

Key Specifications

Battery Configuration: 2S — supports 2 cells in series (~7.4 V nominal)

Chemistry: NMC (Lithium Nickel Manganese Cobalt) / Li-ion

Continuous Current Rating: ~4 A discharge and charge capacity

Typical Operating Temperature: –20 °C to +60 °C

Form Factor: Compact hardware board with pre-attached nickel strips/tabs for easy connection to cells