Lithium LiFePO4 12V 7.5Ah Battery Pack with fuel gauge and SMBus communication

1. Technical Data Sheet  

No.	Item	General Parameter	Remark
1	Rated Capacity	7.5Ah
2	Minimal Capacity	7.0Ah
3	Nominal Voltage	12.8V
4	Life Expectation	Residual capacity is more than 60% of the rated capacity	1) Charge: CC @ 0.2C to 14.6V, then CV till current to 0.05C 2) Rest: 30 min. 3) Discharge: 0.2C to 10.0V. Temperature: 20±2°C Carry out 2000 cycles.
5	Discharge Cut-Off Voltage	2.4V/cell (≥9.6V)	10.0V recommended
6	Charging Cut-Off Voltage	3.9V/cell (≤15.6V)	14.6V recommended
7	Assembly Method	IFR18650EC-1.5AH	4S5P
8	Housing Material	ABS+PC	Flame Retardant Plastic
9	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	Charging Time: Approx 1.0h
10	Standard Discharge	Constant current 0.2C cut-off voltage 10.0V
11	Maximum Continuous Charge Current	7.5A @ 20°C
12	Maximum Continuous Discharge Current	15A @ 20°C	Over Current: 20A (<2s)
13	Operation Temperature Range	Charge: 0~50°C Dishcarge: -10~60°C	60±25% R.H.
14	Storage Temperature Range	Less than 1 year: 10~25°C Less than 3 months: 10~40°C	60±25% R.H. at the shipment state
15	Approx. Weight	1.0Kg	Specific energy: 93.5Wh/Kg
16	Dimension	L151*W65*H97	Housing color is optional, F2 Terminal
17	Fuel Gauge	4 LEDs indicator
18	Over-Temperature Protection	70±5°C (discharge) 60±5°C (charge)
19	Short Circuit Protection	Will recover after removal of short	Replaceable 30A fuse as 2nd protection
20	Pre-Charge Function	Start @ <2.0V/cell Finish @ >2.3V/cell	Depend on charger
21	Communication Protocol	SMBus

   2. 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 battery with defects proven due to manufacturing process instead of the custoemer abuse and misuse.   3. Certification and Reports     4. Contact O'CELL    Overseas Sales: Fred Yang Company Address: Bld. B3, Donghao Industry Park, Sili Road, Guanlan Town, Longhua Dist. , Shenzhen, Guangdong, 518110, China Factory Address: O'CELL Industry Park, Yayuan Road, Xiaoting Dist. , Yichang, Hubei, 443007, China. TEL: +86-755-81781377 FAX: +86-755-81781420 Mobile Phone / WhatsApp / Wechat: +86-158-89298390