Protection Circuit Module (PCB) for 3.7V Li-Polymer Battery (14A cut-off)

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Sale Price: $4.14 (Out of Stock)

Item Number: 32003

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

Specification

Item	Content	Criteria
Working Current	8.5A
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	14-20A
	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.