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Protection Circuit Module (PCB) for 3.7V Li-ion Battery Pack (1.5A cut-off)

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Sale Price: $1.99
Item Number: 32088




Quantity Discounts

QuantityAmount
5 to 10$1.91
11 to 20$1.89
21 to 59$1.87
60 to 99$1.85
100 or more$1.83

Features:

  • Protection Circuit Board designed for 3.7V Li-ion or Li-Polymer battery.
  • Apply for 1 cell Li-ion/Li-polymer battery pack protection.
  • Internally trimmed charge.
  • Discharge voltage limit detection.
  • High quality and high yield: 100% quality tested before shipment.
  • Dimension: 17.5mm x 3.7mm x 2.5mm.
  • Compatible with both Li-ion and Li-Polymer cells.

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

Specifications:

Item Content Criterion
Over charge protection Over charge detection voltage 4.28±0.025V
Over charge release voltage 4.08±0.025V
Over discharge protection Over discharge detection voltage 3.0±0.05V
Over discharge release voltage 3.0±0.05V
Rated operational current ≤1.5A
Over current protection Over current detection current 1.5~2.5A
Release condition Cut load
Detection delay time

7.2~11ms

Short portection Detection condition Exterior short circuit
Release condition Cut short circuit
Interior resistance main loop electrify resistance RSS≤65mΩ
Current consumption Current consume in normal operation 8μA Max
Dimension (L x W x H) 17.5 x 3.7 x 2.5mm

Download product data sheet here


*Warning: because of the extremely 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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