Features

• Compact size and ergonomic design: it can be placed on a desk top or other convenient location 

• Perfect protection for overload ,short circuit ,over-voltage ,low-voltage and over-heating etc
• Double boost and buck AVR for voltage stabilization
• Excellent microprocessor control optimizes reliability   
• Off mode charging and cold start function 
• Line mode, Battery mode and fault alarm
• Auto restart while AC is recovering
• Echo friendly and user friendly  
• Low transfer time (<5ms)  
• Frequency auto adaptive  
• Low maintenance cost      
• AVR protection function  
• Simulated sine wave  
• LED indicator light  
• Wide input range  

• Easy installation

• Backup Time 10-20MINS

Specifications

Model	BK850
Capacity	850VA/480W
Input Voltage	110/ 115/120Vac or 220/230/240Vac
Input Voltage Range	81-145VAC/140-300VAC
Input Frequency Range	50 Hz/60Hz(Auto sensing)
Output Voltage	110/ 115/120Vac or 220/230/240Vac
AC Voltage Regulation	±10%  (Bat Mode)
Frequency Range	50Hz/60Hz ± 1Hz (Bat Mode)
Active Power	480w
Transfer time	Typical 2--6ms
Waveform (Bat Mode)	Simulated Sine wave
Battery	Internal maintenance-free lead-acid battery
Battery Type & Number	12V/9Ah*1
Floating Charging Voltage	13.7VDC
Charging ability	4-6 hours recover to 90% capacity
Output Receptacles	Universal sockets x 2 or other standard sockets x 2/3/4 or customized
Full protection	Overload, discharge,over charge, short circuit, over / under voltage protection
Line mode	Green lighting
Battery mode	Yellow flashing
Fault	Red lighting
Battery mode	Sounding every 10 seconds
Low battery	Sounding every second
Overload	Sounding every 0.5 seconds
Battery Replacement Alarm	Sounding every 2 seconds
Fault	Continuously sounding
Dimension,D*W*H(mm)	279*101*142
Net Weight (kg)	4.9
Humidity	0-90% Relative Humidity 0-40 ℃ (Non-condensing)
Noisy Level	Less than 40dB
Warranty	1 Year
Can be customized	Logo, Inner Box, Label

Specifications Downloads

BK Series UPS-850VA Specifications from Fenice Power