1S 3.7V 2A 1MOS BMS Li-ion 18650 Battery Protection Board

The 1S/2A BMS module is a compact protection board designed for single-cell (1S) lithium-ion or lithium-polymer batteries. It provides essential safety functions such as overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring safe operation and extended battery life. Its slim, lightweight design makes it ideal for space-constrained battery packs.

Technical Specifications:

• Battery Configuration: 1S (single cell)
  
• Nominal Battery Voltage: 3.7 V
  
• Maximum Charge Voltage: 4.2 V
  
• Maximum Continuous Current: 2 A
  
• Protection IC Type: Dedicated Li-ion protection IC (with dual MOSFETs)
  
• Connection Pads: B+, B−, P+, P−
  
• PCB Type: Ultra-thin strip board

 Features:

• Small and lightweight design
  
• Low power consumption
  
• Reliable dual-MOSFET protection
  
• Suitable for Li-ion and Li-Po cells
  
• Easy integration into custom battery packs

Applications:

• DIY lithium battery packs
  
• Portable electronics
  
• Bluetooth speakers and wearables
  
• Power banks (low-current)
  
• IoT and embedded battery-powered projects