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Protection Circuit Module (PCB) for 3.7V Li-Polymer Battery 6A Working (15A cut-off)

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Sale Price: $4.50
Item Number: 32003

Quantity Discounts

5 to 10$4.32
11 to 20$4.28
21 to 59$4.23
60 to 99$4.19
100 or more$4.14

Features and Benefits

  • Protection Circuit Board for 3.7V Li-ion and Li-polymer battery pack
  • Designed for 3.7V Li-ion or Li-Polymer battery
  • Prevents 3.7V Li-ion  or Li-polymer battery from over-charging, over-discharging,and from discharging current more than 15A
  • Dimension (L x W x H) 28 x 7 x 0.8 mm
  • Compatible with both Li-ion and Li-Polymer cells
  • Download the Product Datasheet Here


Item Content Criteria
Over Charge Protection Over Charge Detection Voltage 4.25±0.025V
Over Charge Release Voltage 4.05±0.05V
Over Discharge Protection Over Discharge Detection Voltage 2.5±0.063V
Over Discharge Release Voltage 3.0±0.075V
Rated Operational Current ≤6A
Over Current Protection Over Current Detection Current 15±3A
Detection Delay Time 8~16ms
Release Condition Cut Load
Short Circuit Protection Detection condition Exterior short circuit
Release Condition Cut Load
Interior Resistance Main Loop Electrify Resistance Rss≤30mΩ
Current Consumption Current Consumed in normal Operation 8μA Max.
Dimension (L x W x H) 28 x 7 x 2.45 mm

Terminal explanations

  • B+:Connected to the battery's positive terminal
  • B-:Connected to the battery's negative terminal
  • P+:Connected to the battery's output or the charger's positive terminal
  • P-:Connected to the battery's output or the charger's negative terminal

    Because of the very high energy density, Li-Ion Battery pack must be connected to a protection circuit module to prevent accidental battery explosion caused by over-charging or over-discharging.

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