| No. | Item | 12.8V 4400mAh | 12.8V 2200mAh | |
| 1 | Brand Name | OEM | OEM | |
| 2 | Model No. | IFR12V4400mAh 2200mAh | IFR12V2200mAh 2200mAh | |
| 3 | Nominal Capacity | 4400mAh | 2200mAh | |
| 4 | Nominal Voltage | 12V 12.8V | 12V 12.8V | |
| 5 | Discharge Voltage (Min.) | 8.0V | 8.0V | |
| 6 | Charging Voltage (Max.) | 14.6V | 14.6V | |
| 7 | Charging Current (std.) | 0.2 C5A | 0.2 C5A | |
| 8 | Discharging Current (Max. continue) | 50A | 50A | |
| 9 | Discharging Current (Max. temporary 10S) | 70A | 70A | |
| 10 | Charging Temperature & Humidity | 0℃ ~ +45℃ 45~85%RH | 0℃ ~ +45℃ 45~85%RH | |
| 11 | Discharging Temperature & Humidity | -20℃ ~ +60℃ 45~85%RH | -20℃ ~ +60℃ 45~85%RH | |
| 12 | Battery storage and transportation environment temperature & humidity ranges | Min. 1 month | -20℃ ~ +60℃ 45~85%RH | -20℃ ~ +60℃ 45~85%RH |
| Min. 3 months | -20℃ ~ +45℃ 45~85%RH | -20℃ ~ +45℃ 45~85%RH | ||
| Min. 12 months | -20℃ ~ +25℃ 45~85%RH | -20℃ ~ +25℃ 45~85%RH | ||
| 13 | Battery Type | LiFePO4 battery 18650 1100mAh | LiFePO4 battery 18650 1100mAh | |
| 14 | Internal Impedance | |||
| 15 | Protection Fuctions | Over charge, Over discharge, Over load, Short Circuit | Over charge, Over discharge, Over load, Short Circuit | |
| 16 | Size | 230*40*70 mm or Customized | 230*30*70 mm or Customized | |
| 17 | Weight | Approx. 1.2kg PVC packing | Approx. 0.6kg PVC packing | |
| 18 | Cycle Life | 2000 times | 2000 times | |
| 19 | Warranty | 12 months | 12 months | |
