4s 20A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack Size L125*W39*T7.5mm (PCM-L04S20-690)

• Metal Coating: Copper
• Mode of Production: SMT
• Layers: Multilayer
• Base Material: FR-4
• Certification: RoHS, CCC, ISO
• Customized: Customized
• Model NO.: PCM-L04S20-690
• Condition: New
• Specified Types: 4s Li-ion/Li-Polymer/LiFePO4 Battery
• L-Ion/Li-Polymer Charging Voltage: 16.8V
• LiFePO4 Charging Voltage: 14.4V
• Max. Continuous Charging Current: 20A(Max)
• Maximal Continuous Discharging Current: 20A(Max)
• Discharge Overcurrent Protection: 50±10A(Adjustable)
• Colour of PCM: Green/Yellow
• Balance: Yes
• Warranty: 12 Months
• Transport Package: Antistatic Bag /White Box and Standard Export Cart
• Specification: L125*W39*T7.5mm
• Trademark: QUAWIN/OEM
• Origin: China Guangdong
• HS Code: 8507909000
• Production Capacity: 500000/Month

Product Description

Technical parameter

Product name:Protection Circuit Module
Model No:PCM-L04S20-690
PCM-L04S20-690(A-5):Size L105*W30*T7.5mm
PCM-L04S20-690(A-6):Size L125*W39*T7.5mm
For 4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs; 
2. Maximum continuous working current 20A, same interface for charging/discharging; 
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. The scheme adopts seiko S-8254 series
5.Temperature switch detects battery temperature and controls discharge MOSFET;

Items		Specifications
		Lithium-ion/Lithium Polymer	LiFePO4
Charge	Charging voltage(CC/CV)-4S	CC/CV:16.8V	CC/CV:14.4V
	Maximal continuous charging current	20A(Max)
Discharge	Maximal continuous discharging current	20A(Max)
Low current consumption	Current consumption on operation	<20μA
	Current consumption at power down	<0.1μA
Cell-balance	Cell-balance detection voltage	4.20 ± 0.03 V	3.60 ± 0.03 V
	Cell-balance release voltage	4.20 ± 0.03 V	3.60 ± 0.03 V
	Cell-balance current	68 ±3mA	58 ±3mA
Over-charge	Overcharge detection voltage	4.25±0.025V	3.900 ± 0.025V
	Overcharge release voltage	4.15±0.05V	3.800 ± 0.050V
	Overcharge delay time	0.5~2S
Over-discharge	Overdischarge detection voltage	2.50±0.062V	2.00±0.080V
	Overdischarge release voltage	3.0±0.075V	2.30±0.100V
	Overdischarge delay time	100~300mS
Discharge overcurrent	Discharge overcurrent detection voltage	0.2±0.015V	0.10±0.015V
	Discharge overcurrent delay time	15~35ms
	Discharge overcurrent protection	50±10A(adjustable)
	Release condition	Cut-off-load
Short-circuiting protection	Load short-circuiting detection voltage	/	/
	Detection condition	Exterior short circuit
	Load short-circuiting detection delay time	200~800μs
	Release condition	Cut-off-load
Internal resistance	Static Drain-Source On-Resistance	<20mΩ(B- to P-)
Temperature	Wide range of operation temperature	40 ~ + 85ºC
	Storage Temperature Range	-40 ~ +125ºC
Dimension		L125*W39*T7.5mm