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THE CENTER OF LITHIUM-ION
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  1. PCB (Circuit Board)
  2. PCM (219)
Protection
  1. short-circuit (359)
  2. over-temperature (219)
  3. over-current (357)
  4. over-discharge (378)
  5. over-charge (376)
Max. continuous discharge current
  1. 1 A
    150 A
  2.  
  3. -
Constant charge current, max.
  1. 1 A
    150 A
  2.  
  3. -
Length, max.
  1. 9mm
    350mm
  2.  
  3. -
Width, max.
  1. 3mm
    155mm
  2.  
  3. -
Height, max.
  1. 0.4mm
    35mm
  2.  
  3. -
Options
  1. LED (1)
  2. Balancer (76)
  3. SMBus (4)
  4. Thermistor (11)
  5. Fuel (Gas) Gauge (4)
Lithium-ion Battery Forum

PCM

A PCM (protection circuit module) is a type of PCB (circuit board) intended for use in a simple lithium ion battery pack. A larger, more complicated battery pack PCB is called a BMS (battery management system).

The PCM can offer the li-ion battery pack protection against over-temperature, over-current, over-discharge, over-charge, and short-circuit. A PCM comes in a variety of shapes and sizes to fit powerbanks, flashlights, and other electronic devices.

A protection circuit module is commonly used when building an 18650 battery pack to keep the cells in safe operating conditions.

   
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