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Protection Circuit Module (PCB) with 420 Polyswitch for 18.5V Li-Ion Battery Pack (4 Amp limit) (#4643)

Your Price: $20.95
In Stock

Product ID # 4643
Part Number:

Quantity Discounts

5 to 20$20.32
21 to 50$19.90
51 to 100$19.48
101 or more$18.85
Protection Circuit Module Specifications  For 18.5V Li-ion/Li-Po Battery Pack with built in 420 Polyswitch
Over-charge protection voltage 4.325±0.025V
Over-discharge protection voltage 2.50±0.05V
Over-current protection 4A limited by 420 Polyswitch
Maximal continuous Discharging current 4A
Maximal Current consumption 50uA
Short circuit protection Automatic Recovery
Protection  circuitry  resistance (B- TO P-) ≤60mΩ
Dimension 77mm(3.0") x 35mm(1.4") x 3.8mm(0.2")
Weight 10 grams

P+ = Charge+ / Discharge +
P- = Charge- / Discharge -
T = NTC Thermistor

Specification Download Specification

For other PCM/PCB, please check our PCM/PCB/BMS/CMB/UPS category


  • You must be professional in Lithium battery pack to buy the protection circuit board. Misusing may cause battery damage or explode. We are not responsible for any damage caused by user.

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