7s-13s C: 5A D: 20A Circular Circuit Board for 46.8V 48V Li-ion/Lithium 41.6V 42V LiFePO4 Battery Pack for Electric Bicycle

• Metal Coating: Copper
• Mode of Production: SMT
• Layers: Multilayer
• Base Material: FR-4
• Certification: RoHS, CCC, ISO
• Customized: Non-Customized
• Model NO.: PCM-L13S25-B77
• Condition: New
• Specified Types: 7-13s Li-ion/Li-Polymer/LiFePO4 Battery
• L-Ion/Li-Polymer Charging Voltage: 29.4V~/54.6V
• LiFePO4 Charging Voltage: 25.2~46.8V
• Max. Continuous Charging Current: 5A(Max)
• Maximal Continuous Discharging Current: 20A(Max)
• Discharge Overcurrent Protection: 50±10A(Can Adjust)
• Colour of PCM: Green
• Balance: Yes
• Warranty: 12 Months
• Transport Package: Antistatic Bag /White Box and Standard Export Cart
• Specification: L82*W60*T12mm
• 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-L13S25-B77
For 7S~13S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Temperature switch detects battery temperature and controls discharge MOSFET;
2. Maximum continuous working current 20a, separate charging/discharging interfaces;
3. Weak current switch controls discharge output;
4. LED connection plug, provide switch LED indication;
5. DC-DC 5V/2.1a provides power to portable products;

Items		Specifications
		Lithium-ion/Lithium Polymer	LiFePO4
Charge	Charging voltage(CC/CV)-10S	CC/CV:42V	CC/CV:36V
	Charging voltage(CC/CV)-13S	CC/CV:54.6V	CC/CV:46.8V
	Maximal continuous charging current	5a(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	100~250mS
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(can adjust)
	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	<40mΩ(B- to P-)
Temperature	Wide range of operation temperature	40 ~ + 85ºC
	Storage Temperature Range	-40 ~ +125ºC
Dimension		L82*W60*T12mm