Special features:
Big LCD display:
UPS status(normal, faulty, overload, load capacity)  
battery status (battery capacity, charging)
Line-interactive UPS with modified sine wave output
Motorola high speed MCU control, giving faster response
Wide AC input range
Constant current charging mode, extend battery lifespan up to 150%
Full protection: high/low voltage, surge, spike, over-load, short circuit, and battery over charge/discharge
Individual charger, charger can be working after UPS is turned off
Output frequency synchronizes with mains power automatically
Smart audible
Cold-start function
Key specifications:
Capacity: 500/650/800/1,000/1,200/1,500V VA
Input voltage: 90 to 140V AC/165 to 275V AC
Input frequency: 50/60Hz +/-5%
Output voltage: 100/110/120/220/230/240V AC
Output precision: +10%, -15% at AC mode, +/-10% at battery mode
Transfer time: <8ms
Back-up time: 3~4 minutes with full load & 15 minutes with half load(Optional: 10 minutes with full load)
RJ45/RJ11 (optional)
RS232 port (optional)
Free UPS management software