FEATURES:
• Frequency 50Hz or 60Hz
• Wide Input Range, with built-in AVR
• Line Surge Protection
• Low Battery Alarm and Shutdown Protection
• Short Circuit Protection
• Cold Start Function
• Offline Charging Function
AVR • PROTECTION • ALARM
As the battery of ups is not full, so it is better to plug the ups to AC power to charge for 2 hours before using the ups.