Includes peak absorption circuit, alternating voltage stabilizing
circuit, charging circuit, inverter circuit, and electric supply inverter
conversion circuit. Highlighting a high reliability design, the inverter
circuit adopts PWM-MOS inverter, charging utilizes a rapid switching
circuit.

Features:
1) High-speed microprocessor control
2) Plastic case, compact and unique
3) High-frequency PWM and double conversion technology for small volume
and convenient operation
4) SMD and rational layout for small volume and improved reliability
5) Intelligent battery management providing more perfect protection
against the faults
6) Self-diagnosis (automatic shutdown, inverter testing, battery and
load)
7) Multi-frequency alarm and LED display directly showing the status of
UPS
8) One switch with various functions
9) Built-in high quality free maintenance seal lead acid

Specifications:
1) Rated capacity:
a) BM500: 500VA/300W
b) BM1000: 1000VA/600W
2) Input voltage: 165V-265VAC
3) Output voltage: 220VAC ? 10% (battery supply)
4) Output frequency: 50 ? 0.5Hz (battery supply)
5) Output waveform: square wave
6) Battery backup time (half loaded): ?Y 6 minutes
7) Battery charging time: ?ü 10 hours
8) LED display: utility input, inverter, low battery
9) Output socket (national standard):
a) BM500: 2
b) BM1000: 3
10) Switching time: ?ü 10ms
11) Noise: ?ü 45dBA