Guangdong, China
Business Type:
Business Range:
Electrical & Electronics
Management System Certification:
ISO 9000, QC 080000
OEM/ODM Availability:
OEM/ODM Service
Sample Available

PCB, Battery PCB, BMS manufacturer / supplier in China, offering 3~4s Li-ion Li-Polymer LiFePO4 Battery PCB, 24V 6A 3 Steps Lead Acid Battery Charger, 24cells 36V 2.5A Ni-MH/Ni-CD Battery Charger and so on.

Gold Member Since 2013
Audited Supplier
Supplier Homepage Products PCM / BMS 3~4s Li-ion Li-Polymer LiFePO4 Battery PCB

3~4s Li-ion Li-Polymer LiFePO4 Battery PCB

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Min. Order: 5 Pieces
Port: Hong Kong, Hong Kong
Production Capacity: 60000pieces/Month
Payment Terms: L/C, T/T, Western Union, Paypal
Metal Coating: Silver
Mode of Production: SMT
Customized: Non-Customized
Condition: New
Voltage: 4.2V/Cell
Current: 7A

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Basic Info

Model NO.: PCM-Li04S7-256(3/4)
Over Charge Detection Voltage: 4.35V±0.025V
Over Charge Detection Delay Time: 0.5~1.5s
Over Charge Release Voltage: 4.15V±0.05V
Over Discharge Detection Voltage: 2.40V±0.08V
Over Discharge Detection Delay Time: 50~150ms
Over Discharge Release Voltage: 2.9V-3.1V
Over Current Detection Voltage: 125mv-175mv
Over Current Detection Current: 8~12A
Trademark: QW
Transport Package: Anti-Static PE Bag/Small Box/ Export Carton
Specification: NO
Origin: China
HS Code: 850760000

Product Description

Protection Circuit Module For 3/4S Li-ion/Li-polymer/LiFePO4 Battery Pack

Maximal continuous charging and discharging current is7A
No.Test itemCriterion
1Voltage:Charging voltage:DC:12.6V  CC/CV(4.2V/1 Cell)
Balance voltage for single cell4.20V±0.025V
2CurrentBalance current for single cell42±3mA
Balance current for single cell≤30μA
Maximal continuous charging and discharging current7A
3Over-charge Protection Over charge detection voltage4.35V±0.025V
Over charge detection delay time0.5S~1.5S
Over charge release voltage4.15V±0.05V
4Over-discharge ProtectionOver discharge detection voltage2.40V±0.08V
Over discharge detection delay time50~150mS
Over discharge release voltage3.0±0.10V
5Over-Current ProtectionOver current detection voltage150±25mv
Over current detection current10±2A
Detection delay time 5~15ms
Release conditionCut load
6Short ProtectionDetection conditionExterior short circuit
Detection delay time200-500us
Release conditionCut load
7ResistanceProtection circuitry ( B- to P- )≤ 60mΩ
8TemperatureOperating temperature range-40 ~ +85
Storage temperature range-40 ~ +125
9Size L50*W21*T4mm

Packaging & Delivery
. Netural labels, Polybag, PVC, Color box, Customised package
. Netrual packing/Cartoon box with less than 10KGS
. Delivery Detail: Sample within 3 work days, 7~15 days for bulk order

Shipping terms
1). Samples checking: Sending by Express ( DHL/UPS/FedEx/TNT, by air)
2). Bulk production: Sending out by cargo shipping / air freight / Express(DHL/UPS/FedEx/TNT), or we can accept other shipping terms according to your requirements.
3). We are not responsible for any accidents, delays or other issues that are caused by the shipping.

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