| MODEL | Great 450 | Great 650 | Great 850 | Great 1K | Great 1.5 K | Great 2K |
| CAPACITY | 450 VA / 240 W | 650 VA /360 W | 850 VA /480 W | 1000 VA / 600 W | 1500 VA / 900W | 2000 VA / 1200 W |
| INPUT | |
| Voltage | 110/120 VAC or 220/230/240 VAC |
| Voltage Range | 81- 145 VAC / 162-290 VAC |
| Frequency Range | 60/500 Hz (auto sensing) |
| OUTPUT | |
| AC Voltage Regulation (Batt. Mode) | ±10% |
| Frequency Range (Batt. Mode) | 60 Hz or 50 Hz ±1 Hz |
| Transfer Time | Typ[ical 2-6 ms. 10ms max |
| Waveform (Batt. Mode) | Simulated Sine Wave |
| BATTERY | |
| Battery Type & Number | 12 V/4.5 Ah x 1 | 12 V/7 Ah | 12 V/9 Ah x 1 | 12 V/7 Ah x 2 | 12 V/9 Ah x 2 | 12 V/9 Ah x 2 |
| Typical Recharge TIME | 4-6 hours recover to 90% capacity |
| Protection | |
| Full Protection | Overload, discharge , and overcharge protection |
| INDICATORS | |
| LCD Display | AC Mode, Battery Mode , Load Level, Battery Level, Input Voltage, Overload, Fault< and Low Battery |
| LED display | AC Mode | Green lighting | The right green LED lihting & the 2nd to 5 thgreen LEDs gradually lighting indicating load level |
| Battery Mode | Yellow flashing | The right green LED flashing & the 2nd to 5 thgreen gradually lighting indicating battery capacity |
| Fault | Red lighting |
| ALARM | |
| Battery Mode | Sounding every 10 seconds |
| LOW Battary | Sounding every seconds |
| Overload | Sounding rvery 0.5 second |
| Battery Replacement Alarm | Sounding every 2 seconds |
| Fault | Continuously sounding |
| PHYSICAL | |
| Dimension, D x W x H (mm) | 287 x 100 x 142 | 350 x 146 x 160 | 397 x 146 x 205 |
| Net Weight (kgs) | 3.55 | 4.25 | 4.9 | 8. 0 | 11.1 | 11.5 |
| ENVIRONMENT | |
| HumidityNoise Level | 0-90% RH @ 0-40°C (non-condensing) |
| Noise Level | Less than 40dB |
| MANAGEMENT | |
| Optional USB/RS-232 Port | Supports Windows 98/2000/2003/XP/Vista/2008 , Windows 7 , Linux and MAC |
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