Features:
Microprocessor control guarantees high reliability.?
Equipped with AVR to stabilize input voltage.?
Built-in DC start function enables UPS to start up without AC power supplied.?
Auto restart while AC recovery.?
Provides modem/phoneline surge protection.
Provides overload protection.
Compact size design.

Major functions:
Trip and power cut: UPS ensures your computer in the power supply mode that makes you available in the Internet.
Stable voltage: ?In low voltage area or fluctuating voltage area， UPS supplies a stable voltage output， ensures your devices operate safely and normally.
Avoid restart: Avoid restarting by reason of instantaneous changes of voltage， such as air condition， fridge， and large electrical equipments near the computer or thunder.
Suitable for computer and multimedia devices in the fields of communication， petroleum， chemical industry， education， business， bank， etc.
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Product modelK500VA
Rated capacity7AH
Rated power500VA/300W
AC input rangeAC 135~280V±5%
AC input frequency range40-60Hz
Output frequency range (AC mode)Sync with AC (sine wave)
Out put power rangeAC 220V-15%+20%， 50±1Hz
Battery voltageDC 12V
Transfer time(AC to battery)≤10ms
Battery charging time≥8 hours
Backup time(one set PC) 7-15 minutes
Output short cuicuit protection/Stable outputAC mode: Fuse fusing and alarm(red LED on， continuous beeping sound)， no output
Battery mode: Auto software protection
AC modeGreen LED on
Battery modeYellow LED flash
Battery modeBeeping sound every 10 seconds meanwhile yellow LED flash
Battery low voltageBeeping sound every 1.8 seconds meanwhile yellow LED flash
Battery over voltage14.5V±0.5V
OverloadBeeping sound every 1 seconds meanwhile red LED on
FaultRed LED on， continuous beeping sound
Noise (within 1 meter)≤40dB
Operating temperature0℃~50℃
Storage temperature-15℃~55℃
Relative humidity20%~90% non-condensing
Product size8.8?* 33?* 14cm?/ 3.46?* 12.99 * 5.51in (L * W * H)
Product weight4831g / 10.650Lb
Package size38 * 22 * 13cm / 14.96 * 8.66 * 5.11in (L * W * H)
Package weight5327g / 11.745Lb

Package List:
1 * 500VA/300W computer UPS
1 * Power cord