Specifications
UL approved cell; Robust housing with interchange design to lead acid battery; Built-in BMS; Feul gauge and replaceable fuseSpecification
| 1 | Rated Capacity | 7.5Ah | Standard discharge(0.5C)after standard charge(0.5C) |
| 2 | Minimal Capacity | 7.0Ah | |
| 3 | Nominal Voltage | 12.8V | |
| 4 | Cycle Life | Higher than 60% of the Initial Capacity of the battery pack | 1)Charge: 0.5C CC to 14.6V, then CV till current to 0.05C 2)Rest: 30min. 3)Discharge: 0.5C to 10.0V 4)Carry out 1500cycles (Temperature:20±5°C) |
| 5 | Discharge cut-off voltage | ≥ 8.8V(2.2V/cell) | Adjustable (10.0V recommended) |
| 6 | Charging cut-off voltage | ≤ 15.6V(3.9V/cell) | Adjustable (14.6V recommended) |
| 7 | Cell and assembly method | IFR18650EC-1.5AH | 4S5P |
| 8 | Packing material | ABS | Color is adjustable |
| 9 | Standard charge | 0.5C constant current(CC) charge to 14.6V,then constant voltage (CV)14.6V charge till charge current decline to ≤0.05C | Charge time : Approx 3.5h |
| 10 | Standard discharge | Constant current 0.5C,Cut-off voltage 10.0V | |
| 11 | Maximum Charge Current | 7.5A | 4A recommended for better performance and life |
| 12 | Maximum Continuous Discharge Current | 15A | Over current 20±2A 900~2000mS |
| 13 | Operation Temperature Range | Charge: 0~45°C | 60±25%R.H. |
| Discharge: -10~50°C | |||
| 14 | Storage Temperature Range | Less than 1 year : 0~25°C | 60±25%R.H. at the shipment state |
| Less than 3 months:-5~35°C | |||
| 15 | Weight | Approx: 1.09Kg | |
| 16 | Pack Dimension | L151*W65*H97mm | The height without terminals is 91mm; "L” shape terminals are used; Other terminals are available; |
| 17 | Short Circuit Protection | Will recover after removal of short | 30A fuse (replaceable) |
| 18 | Fuel gauge | Four LED lights | SMbus communication port |
More model is available!
Major differences with 12V7Ah SLA battery
1) 2.2Kg(4.85lbs) which is nearly double weight
2) No Fuel Gauge
3) No communication port
4) With Pb and acid electrolyte that do harm to enviroment
