| MODEL | AK-650 |
| Capacity | 650VA/390W |
| INPUT | |
| Voltage | 110V/120 VAC or 220/230/240 VAC |
| Voltage range | 81-145VAC or 145-275VAC |
| Frequency | 60/50 Hz(Auto sensing ) |
| OUTPUT | |
| Voltage | 110/120 VAC or 220/230/240 VAC |
| Voltage range(Battery mode) | ±10% |
| Frequency range(Battery mode) | 60/50±1HZ |
| Transfer time | 4-6ms |
| Wave form(Battery mode) | Simulated sine wave |
| BATTERY | |
| Battery model & Quantity | 12V/7AH*1 |
| Charge time | 8 hours recover to 90% capacity |
| PROTECTION | |
| Full protection | Over discharge, short circuit and overload protection |
| INDICATORS | |
| LCD display | AC Mode, Battery Mode, Load Level, Battery Level, Input Voltage, Output Voltage, Overload and Low |
| ALARM | |
| Battery mode | Sounding every 4 seconds |
| Low battery | Sounding every second |
| Overload | Sounding every second |
| Fault | Continuously sounding |
| INTERFACE | |
| USB/R232 Port (Optional) | Support Windows XP/Vista, Windows 7/8, Linux, Unix, and MAC |
| Optional SNMP | Power management from SNMP Management and web browser |
| ENVIRONMENT | |
| Humidity | 0-90% RH @ 0-40ºC(Non-condensing) |
| Noise Level | Less than 40dB |
| Dimension(mm) | 320x90x140 |
| N.W.(kg) | 5 |
