BMS NMC 3S 5A (SLCT) (a357)

BMS NMC 3S 5A (SLCT) (a357)

The BMS NMC 3S 5A (SLCT) (A357) is a compact and efficient Battery Management System designed for 3-series (3S) NMC / Li-ion battery packs (11.1V nominal, 12.6V max). It provides reliable protection and stable performance for small electronic applications.

This BMS supports 5A continuous charge and discharge current, making it ideal for low to medium power devices such as DIY battery packs, portable electronics, and IoT systems.

Equipped with advanced protection circuitry, it safeguards battery cells against overcharge, over-discharge, overcurrent, and short circuits, ensuring safe operation and extended battery lifespan.

The board features a compact PCB design with low standby power consumption, making it suitable for space-constrained and energy-efficient applications. Some variants also include cell balancing and temperature protection, improving overall battery performance.

⚙️ Key Features

• Supports 3S NMC / Li-ion battery pack (11.1V / 12.6V)
• 5A continuous charge & discharge current
• Built-in protection system:
  • Overcharge protection
  • Over-discharge protection
  • Overcurrent protection
  • Short-circuit protection
• Low power consumption & minimal heat generation
• Compact size for easy integration
• Optional cell balancing & temperature sensing (model dependent)