4s 4A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and LED Power Indicator (PCM-L04S04-K02)

• Customization: Available
• Metal Coating: Copper
• Mode of Production: SMT
• Model NO.: PCM-L04S04-K02
• Layers: Multilayer
• Base Material: FR-4
• Certification: RoHS, CCC, ISO
• Customized: Customized
• 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: 4A(Max)
• Maximal Continuous Discharging Current: 4A(Max)
• Discharge Overcurrent Protection: 10±2A(Adjusted)
• Colour of PCM: Green
• Balance: Yes
• Warranty: 12 Months
• Transport Package: Antistatic Bag /White Box and Standard Export Cart
• Specification: L100*W30*T4mm
• 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-L04S04-K02
For 4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs; 
2. Metering IC BQ40Z50, can read voltage, capacity, current, temperature, cycle times and other parameters;
3. Over charge, over discharge, short circuit, over current, temperature protection, etc.;
4. Maximum continuous working current 4A, charging and discharging at the same port;
5. The required information can be read through the PCM-LCD001-415 display.
6. Electric power display with LED light.
7. With weak current button

Items				Specifications
				Lithium-ion/Lithium Polymer	LiFePO4
Communication Interface				SMbus
Capacity	Designing battery capacity(4S2P)			5.2Ah
	Max capacity(Battery pack)			290Ah
	Min capacity(Battery pack)			100mAh
	External capacity Indication			LCD,LED,SOC
	Gas gauge algorithm			CEDV
Voltage	Charging voltage (4S)			16.8V(4.2V/Cell)	14.4V(3.6V/Cell)
	Cell-balance window			50mV±10%
	Cell-balance release voltage			20mV±10%
	Cell-balance detection delay time			0.5~2s
Current	Balance current for single cell			66±5mA	56±5mA
	Normal operating-mode current (Gas Gauge IC)			800uA
	SLEEP operating-mode current (Gas Gauge IC)			200uA
	FULL SLEEP operating-mode current (Gas Gauge IC)			1 uA
	Maximal continuous charging current			4A(Max)
	Maximal continuous discharging current			4A(Max)
Over charge Protection	Over charge detection voltage			4.25±0.025V	3.80±0.05V
	Over charge detection delay time			1~2S	1~2S
	Over charge release voltage			4.05±0.05V	3.55±0.05V
Over discharge protection	Over discharge detection voltage			2.5±0.07V	2.00±0.05V
	Over discharge detection delay time			1~2S	1~2S
	Over discharge release voltage			3.0±0.1V	2.7±0.05V
Over current protection	Over current detection voltage			0.2±0.015V
	Over current detection current			10±2A(can adjust)
	Detection delay time			5~60ms
	Release condition			Cut load
Short protection	Detection condition			Exterior short circuit
	Detection delay time			200-800us
	Release condition			Cut load
Resistance	Protection  circuitry (MOSFET)B- to P-			≤20mΩ
Temperature protection	Charge temperature  protection			60ºC±5ºC
	Charge release temperature			50ºC±5ºC
	Discharge temperature  protection			65ºC±5ºC
	Discharge release temperature			55ºC±5ºC
	Operating Temperature Range			-40~+85ºC
	Storage Temperature Range			-40~+125ºC
Dimension				L100*W30*T4mm
B+:Battery+
B-:Battery-
SD:Smbus data line
SC:Smbus clock line
LED1,LED2,LED3,LED4,LED5: LED power indicator
P+:Charge+/discharge+
P-:Charge-/discharge-