Specifications:
Line interactive design
Automatic buck and boost AVR function, wide input voltage 145-280VAC * 
BYPASS outlet available, user can connect equipment of heavy load without damaging UPS* 
Advanced automatic constant charging circuit, prolongs battery life *
Battery low voltage, overload & short circuit protection *
Lead-Acid, maintenance free battery inside, provides strong power to users* 
Boost and buck AVR (Auto voltage regulation) *
Fully digitized microprocessor controlled *
Energy saving function (UPS green mode) *
50/60Hz frequency auto sensing and selection *
Cold start function (DC power on) *
Lightning and surge protection*
Short circuit and overload protection *
Advanced battery management (ABM technology) *
Tel/Modem internet surge suppression
Smart USB communication port *
Automatically charging when UPS off
History record of power failure events *
Back up, on-line, battery status, power status display by software *
Schedule shutdown & reboot *
Technical of PWM adjustment and advanced MOSFET power components, ensures stable performance * 

TECHNICAL SPECIFICATIONS:

Model		Knight-600A/800VA	Knight-1000/1200VA
Max capacity(VA)		600VA/800VA	1000VA/1200VA
Rated capacity		330W/450W	600W/700W
Input	Commerical power range	82V-145V/145VAC-280VAC
	AVR range	90VAC-260VAC
	Frequency	50Hz±10%
Output	Commerical power	Sine-wave
	Inversion	Simulated sine-wave
	Frequency	Commercial power supply:shared frequency with the commercial inversion state:50Hz±0.5
	AVR voltage range	120V±10% /220VAC±10%(Auto-sensing)
	Transfer time	Typical:10ms(Including detection time)
Protection	Overload	UPS automatically shutdown if overload exceeds 150% of normal value for 30 seconds and 180% for 3 seconds
	TEL/FAX/MODEM	RJ45/11 JACKS(Compatible with UPS-500A Knight-600A Knight-1000A)
	Short circuit	UPS Output is cut off immediately or input circuit breaker protection
Alarm	Battery back-up	Beeping sound every 4 seconds when the input is cut off
	Battery low voltage	Beeping sound every 1 seconds when the input is cut off
	Overload	Continuously beeping sound when overload
Battery	Type	Sealed,maintenance-free lead acid
	Capacity	(12V,7AH)X1	(12V,7AH)X2
	Recharge time	8 Hours to 90% of full capacity
	Back-up time	Typical 10 min(Halfload)
	Battery protection	Automatic self-test,discharge protection
Communication interface	USB(port)	Bi-directional communication port(Compatible with UPS-500A Knight-600A Knight-1000A)
Appearance	Net weight	5.8kg	12kg
	Gross weight	6.1kg	12.5kg
	Size(mm)DxWxH	330x90x135	340x122x190
Outside Packing	Weight	19kg	28.5kg
	Quantity	3	2
	Size(mm)DxWxH	455x366x228	495x460x315
Remark	Communication port(UPS-500B Knight-600CB Knight-1000CB)
	Specification only for reference . Subject to change without prior notice
	We accept order with special specifications