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lithium phosphate batteries lithium motorcycle battery 

Place of Origin: Guangdong, China (Mainland) 
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Product Detail

Model No.: IFM12-330E2


Lithium Iron Phosphate Batteries, 12V 33Ah LiFePO4 Battery Module For Powertrain
 
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Lithium Iron Phosphate Batteries, 12V 33Ah LiFePO4 Battery Module For Powertrain

 

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


 

Specification

Item

Comments

Battery module

33Ahr or 422.4Whr (120PCS O’CELL IFR18650PC-1.1Ah cells in a 4S30P configuration.)

Approx. Dimension

195 mm x 130mm x183 mm (L*W*H)

Approx. Weight

6.1kg

Nominal voltage

12.8V

Maximum voltage

14.6V

Minimum voltage

10.0V

Nominal load current

120A 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.

 
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

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 Mr. Kathryn Wang

Tel: 86-755-81781377
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Company Info

Shenzhen O CELL Technology Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)

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