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HomeProductsLithium Battery Module

19.2V 70Ah LiFePO4 lithium Battery Module For Powertrain, Electric Tourist Vehicle

China good quality Lifepo4 Lithium Battery on sales
China good quality Lifepo4 Lithium Battery on sales
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19.2V 70Ah LiFePO4 lithium Battery Module For Powertrain, Electric Tourist Vehicle

Large Image : 19.2V 70Ah LiFePO4 lithium Battery Module For Powertrain, Electric Tourist Vehicle

Product Details:

Place of Origin:Guangdong, China (Mainland)
Brand Name:O'CELL
Certification:UL, CE, UN, RoHs
Model Number:IFM18-700E1

Payment & Shipping Terms:

Minimum Order Quantity:Negotiable
Price:Get Latest Price
Packaging Details:Standard Package/Compact Design
Delivery Time:25DAYS
Payment Terms:L/C,T/T,paypal
Supply Ability:3,000 packs (12.8V110Ah) per month
Detailed Product Description

19.2V 70Ah LiFePO4 Lithium Battery Module For Powertrain, Electric Tourist Vehicle

 

Specification

Item

Comments

Battery module

70Ahr or 1344Whr (300PCS O’CELL IFR18650EC-1.4Ah cells in a 6S50P configuration.)

Approx. Dimension

260 mm x 158mm x 246 mm (L*W*H)

Approx. Weight

14.9kg

Nominal voltage

19.2V

Maximum voltage

21.9V

Minimum voltage

15.0V

Nominal load current

100A max. continuous current @ 23° C

Peak load current

200A max for 30 sec @ 23° C

Charge protection

When the Battery modules are charged to full, they will communicate with BMU, and the BMU has the capability to turn off the charger or open the main contactor. The battery module itself does not have any switch to disconnect the charger.

Balancing

The intra-module balancing circuit is used to compensate slight capacity imbalance among the four cell blocks within a battery module.

The inter-module balancing circuit is used to compensate slight capacity imbalance between different battery modules in series connection.

State of Charge (SOC)

Measurement

Individual cell block voltage and charge/discharge current will be used to monitor the state of charge (SOC) of the battery module.  The estimated capacity used for the calculations will be adjusted to meet the capacity of the lowest capacity cell block when the battery system is fully cycled.  The state of charge will be adjusted for normal self discharge of the battery system when the unit is not on charge.    

RS-485 Communication Uplink

RS-485 Communications will be used to communicate with the Battery Management Unit (BMU) or connection to other battery Modules. 

RS-485 Communication Downlink

RS-485 Communication connection from Downstream battery module.

RS-485 insulation voltage rating

1414V , 5000V rms for 1 minute

Status LED

A Dual LED on module to indicate working status. One is green and the other one is red. Blinking of the green LED indicates that the module is working properly. Blinking of the red LED indicates that the module has failure and needs service.

 
Can be connected in series or parallel to make the system more flexible;
IP56 design suit for severe condition;
 
State-of-Charge Monitoring

State-of-charge (SOC) will be monitored via individual cell voltage measurements and the charge/discharge current.  The SOC accuracy shall meet the accuracy listed below:

Accuracy of SOC to be

0 ~ 20% SOC:      5% accuracy (voltage-temperature compensated)

20% - 80% SOC:   10% accuracy (coulomb counting)

80% - 100% SOC:  5% accuracy

 

Circuit Self Discharge Rates

The circuit within the battery module will have a self discharge rate :

Condition

Leakage current

Shipping mode (Not connected with other battery modules and BMU)

Less than 1.0mA

Working mode (Connected with other battery modules and BMU), charging or driving

Less than 6.0mA

Sleep mode (Cell voltages are below discharge cut-off voltage, or the vehicle is not ignited.)

Less than 700 µA

Leakage current of PCBA within the battery module

Contact Details
Shenzhen O’CELL Technology Co.,Ltd.

Contact Person: Ms. Kathryn Wang

Tel:86-755-81781377

Fax:86-755-81781420

Send your inquiry directly to us (0 / 3000)

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