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Protection Circuit Module (PCB) for 3.7V Li-Polymer Battery 7A Working (8A cut-off)

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Sale Price: $4.14
Item Number: 32003




Quantity Discounts

QuantityAmount
5 to 10$3.97
11 to 20$3.93
21 to 59$3.89
60 to 99$3.85
100 or more$3.81

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 14A
  • Dimension: 29mm x 7mm x 2.5mm
  • Compatible with both Li-ion and Li-Polymer cells
  • Download the Product Datasheet Here

Specification

Item Content Criteria
Working Current 7A
Over Charge Protection Over Charge Detection Voltage 4.25±0.025V
Over Charge Release Voltage 4.05±0.05V
Over Charge detection Delay Time 1.0±0.3s
Over Discharge Protection Over Discharge Detection Voltage 2.5±0.062V
Over Discharge Release Voltage 3.0±0.075V
Over Discharge Detection Delay Time 20±6.0ms
Over Current Protection Over Current Detection Voltage 0.2±0.015V
Over Current Detection Current 8-20A
Detection Delay Time 12±4ms
Release Condition Cut Load
Short Circuit Protection Short Protection Implemented
Release Condition Cut Load
Detection Delay Time 230-500μs
Interior Resistance P+, P- Conduction Resistance VC=4.2V: Rss≤30mΩ
Current Consumption Current Consumed in normal Operation 4μA Typical
8μA Max.
Dimension 29 x 7 x 2.5 mm
*Note: Individual cell values.

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-discahrging.
 

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