| Mode | EPS1000 | EPS1500 | EPS2000 | EPS3000 | 
| Continuous power (W) | 1000 | 1500 | 2000 | 3000 | 
| Surge capability (W) | 2000 | 3000 | 4000 | 6000 | 
| DC Input (VDC) | 12V | 12V  | 12V  | 12V/24VDC | 
| DC input Range | 10.5V to 15.5V��0.3 for 12VDC. The others multiple | 
| Charge current | 15A | 5A  | 15A  | 20A | 
| Transfer time | 10 Ms for HIC automatic transfer type. HICM mode are manual transfer | 
| AC output  | 110 / 120/220V/230V ��10 V | 
| Output frequency | 50/60��5 HZ | 
| Output waveform | Modified Sine Wave  | 
| Efficiency | >85% | 
| State current | 0.2A | 0.25A | 0.5A | 0.8A | 
| Combine battery Capacity | 1*100AH/12VDC | 2*100AH/12VDC | 
| External battery back | 12VDC | 12VDC | 12VDC | 12V/24VDC | 
| Battery low alarm | 10.2-10.8V for 12VDC. The other are multiple | 
| Over discharge protection | (10 ��0.5)V for 12VDC. The others are multiple, Shut off | 
| Resume voltage | 11.7V--12.8V for 12VDC,The others are multiple, Auto restart | 
| Over voltage protection | 15V-16.5V for 12VDC,The others are multiple, Shut off. | 
| Overload protection | Shut off while over 120% rated capacity | 
| With cooling fan | yes | 
| Display | LED | LED | LED | LCD | 
| Running Temperature | 20 to 40 degree | 
| High temperature protection | YES,60��-70�� | 
| Short circuit protection | YES | 
| Reverse polarity protection | YES | 
| Product Package(mm)(L*W*H) | 450*210*330 | 450*210*330 | 450*210*330 | 450*210*330 | 
| Gross weight (kg) | 39 | 39 | 42 | 42 | 
| 20FT | 180PCS | 180PCS | 180PCS | 50PCS |