3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth ( PCM -L04S70-E71)

Model NO.
PCM-L04S70-E71
Condition
New
Discharge Overcurrent Protection
300±50A(Can Adjust)
Maximal Continuous Discharging Current
70A(Max)
Balance
Yes
Warranty
12 Months
Colour of PCM
Green
LiFePO4 Charging Voltage
10.8V~14.4V
Max. Continuous Charging Current
70A(Max)
L-Ion/Li-Polymer Charging Voltage
12.6V~16.8V
Specified Types
3-4s Li-ion/Li-Polymer/LiFePO4 Battery
Transport Package
Antistatic Bag /White Box and Standard Export Cart
Specification
L150*W90*T10mm
Trademark
QUAWIN/OEM
Origin
China Guangdong
HS Code
8507909000
Production Capacity
500000/Month
Reference Price
$ 18.00 - 27.00

Product Description

Technical parameter

Product name:Protection Circuit Module
Model No:PCM-L04S70-E71

For 3S~4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 3~4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs; 
2. Maximum continuous working current 70A, same interface for charging/discharging; 
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ4050/BQ40Z50 is adopted,Can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Through the PCM-LCD001-415 display screen, the required information can be read;
6. Support SMBus protocols;
ItemsSpecifications
Lithium-ion/Lithium PolymerLiFePO4
Communication InterfaceSMbus/Bluetooth
CapacityDesigning battery capacity
(EVE 50AH 4S2P)
100Ah
Max capacity(Battery pack)290Ah
Min capacity(Battery pack)100mAh
External capacity IndicationLCD,LED,SOC 
Gas gauge algorithmCEDV
VoltageCharging voltage (4S)16.8V(4.2V/Cell)14.4V(3.6V/Cell)
Cell-balance window50mV±10%
Cell-balance release voltage20mV±10%
Cell-balance detection delay time0.5~2s 
CurrentBalance current for single cell66±5mA56±5mA
Normal operating-mode current
(Gas Gauge IC)
800 uA
SLEEP operating-mode current
(Gas Gauge IC)
200 uA
FULL SLEEP operating-mode current
(Gas Gauge IC)
1 uA
Maximal continuous charging current70A(Max)
Maximal continuous discharging current70A(Max)
Over charge ProtectionOver charge detection voltage 4.25±0.025V3.80±0.05V
Over charge detection delay time1~2S1~2S
Over charge release voltage 4.05±0.05V3.55±0.05V
Over discharge protectionOver discharge detection voltage2.5±0.07V2.00±0.05V
Over discharge detection delay time1~2S1~2S
Over discharge release voltage3.0±0.1V2.7±0.05V
Over current protectionOver current detection voltage0.2±0.015V
Over current detection current300±50A(can adjust)
Detection delay time5~60ms
Release conditionCut load
Short protectionDetection conditionExterior short circuit
Detection delay time200-800us
Release conditionCut load
ResistanceProtection  circuitry (MOSFET)B- to P-≤20mΩ
Temperature protectionCharge temperature  protection60ºC±5ºC
Charge release temperature50ºC±5ºC
Discharge temperature  protection65ºC±5ºC
Discharge release temperature55ºC±5ºC
Operating Temperature Range-40~+85ºC
Storage Temperature Range-40~+125ºC
DimensionL150*W90*T10mm
B+:Battery+3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)
B-:Battery-
SMBD:SMBus data line
SMBC:SMBus clock line
RT1,RT2,RT4:NTC
J5:LED power indicator interface
P+:Charge+/discharge+
P-:Charge-/discharge-
3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)3s 4s 70A BMS for 14.4V 14.8V Li-ion/Lithium/Li-Polymer 12V 12.8V LiFePO4 Battery Pack with Smbus Protocol and Bluetooth (PCM-L04S70-E71)

 

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PNEUTEC.IT, 2023