TDT NMC 3S-5AMP With Nickel Balancing, Hardware BMS

TDT NMC 3S 5A Hardware BMS with Nickel Balancing

The TDT NMC 3S 5A Hardware BMS with Nickel Balancing is a compact and reliable battery management solution designed specifically for 3S NMC lithium-ion battery packs. It provides hardware-based protection along with built-in passive balancing to ensure safe, stable, and long-lasting battery performance.

This BMS is ideal for small battery packs used in e-bikes, scooters, portable power systems, and DIY lithium battery projects where safety and balanced cell performance are critical.

🔧 Electrical Specifications

• Battery Type: NMC Lithium-ion
• Configuration: 3S (3 cells in series)
• Nominal Voltage: ~11.1V
• Full Charge Voltage: ~12.6V
• Continuous Discharge Current: 5A
• Balancing Type: Nickel-based Passive Balancing
• Protection Method: Hardware-based protection circuit

⚖️ What is Nickel-Based Balancing?

This BMS uses nickel strip–based passive balancing technology to maintain equal voltage levels across all cells.

During charging:

• If one cell reaches a higher voltage earlier than others
• The BMS diverts a small balancing current through a nickel-based resistive path
• Excess energy is safely dissipated as heat
• Lower-voltage cells are allowed to catch up

This ensures:

• Equal cell voltage distribution
• Improved charging efficiency
• Reduced cell drift over time
• Longer battery lifespan
• Enhanced safety

Nickel balancing is a simple, hardware-based and highly reliable method, commonly used in compact BMS designs for small and medium-power packs.

🛡️ Protection Features

The BMS includes essential protection mechanisms:

• Over-charge protection
• Over-discharge protection
• Over-current protection
• Short-circuit protection

Its hardware-based design ensures rapid fault detection without relying on software, making it highly dependable for everyday battery use.

⚙️ Design & Integration

• Compact PCB with nickel strips for easy welding
• Durable and robust construction
• Easy installation in 3S battery assemblies
• Low standby consumption

🚲 Typical Applications

Suitable for:

• 3S NMC battery packs
• Low-power e-bikes and scooters
• Portable energy storage systems
• DIY lithium battery packs
• Medium-power electronic devices