LiFePO4 12V 45Ah battery pack with SMBus communication

Product: LiFePO₄ 12.8V 45Ah Battery Pack

Model: IFM12-450E3-SMBus

Brand: O'CELL

1. Specification of Battery Pack

• Nominal Voltage: 12.8V
• Rated Capacity: 45.0Ah. Standard discharge (0.2C) after standard charge (0.2C)
• Life Expectation: Residual capacity is more than 60% of the rated capacity. 1) Charge: CC @ 0.2C to 14.6V, then CV till current taper to 0.05C 2)Rest: 30min. 3)Discharge: 0.2C to 10.0V. Temperature: 20±5°C. Carry out 1500 cycles.
• Discharge Cut-Off Voltage: 10.0V
• Charging Cut-Off Voltage: 14.6V
• Configuration: IFR18650EC-1.5AH, 4S30P
• Housing Material: ABS+PC. Flame Retardant Plastic.
• Standard Charge: 0.2C constant current (CC) charge to 14.6V, then constant voltage (CV) 14.6V charge till charge current decline to ≤0.05C.
• Charge Time: Approx 7.0h
• Standard Discharge: Constant current 0.2C. Cut-Off voltage 10.0V
• Maximum Continuous Charge Current: 20A @ 20°C
• Maximum Continuous Discharge Current: 20A @ 20°C. Over current: 40A (≤5s)
• Charge Temperature Range: 0~50°C. 60±25% R.H.
• Discharge Temperature Range: -20~60°C. 60±25% R.H.
• Storage Temperature Range: Less than 6 months: 0~10°C. Less than 3 months: 10~30°C. 60±25% R.H. at the shipment state.
• Approx. Weight: 5.9Kg. Specific energy: 99Wh/Kg
• Dimension: L195*W130*H183mm (BCI Group: U1R). M6 female-threaded terminals.
• Communication Protocol: SMBus. M12 connector at battery side.
• Over-Temperature Protection: 60±5°C (charge), 60±5°C (discharge)
• Short Circuit Protection: Recover after removal of short. 2nd level protection: 40A fuse.
• Pre-Charge Function: start @ 2.0V/cell & finish @ 2.4V/cell. Depend on charger matched.

2. Photos

3. Period of Warranty

The period of warranty is 18 months from the date of shipment. O'CELL guarantees to give a replacement in case of the battery with defects proven due to manufacturing process instead of the customer abuse and misuse.

4. Contact O'CELL

Representative: Mr. Fred Yang.

Tel: +86-755-81781377

Fax: +86-755-81781420

Mobile: +86-158-89298390

Website:

Add: Building B3, Donghao Industry Park, Sili Road 286, Guanlan Town, Longhua District, Shenzhen, 518110, China