[. . . ] [. . . ] 8. 81 Solid Red LED Light Slow beeping sound (about 15 second intervals) USB Port 0 ~ 85% Relative Humidity (Non-condensing); 0 ~ 35º C Operation Temperature <40dBA at 1 meter 10. 14 12. 34 Flashing Red LED and Audible Alarm 10 second continuous Automatic self discharge protection, replace battery indicator LED Upto 15 minutes Upto 28 minutes Upto 35 minutes 12V / 5Ah No AVR N/A 510 Joules Meets FCC Class B UPS Low voltage switch to high voltage switch to battery: 105 ~ 135 ±3 Vac Breaker for overload and short circuit protection 1 In, 2 Out Single Line (2 Wire, RJ11) jack s UPS shuts down 12V / 5Ah Sealed, maintenance free lead acid <8 Hours 12V / 7Ah F6H350-USB 350 190 W F6H500-USB 500 300 W 105 ~ 135 Vac 60Hz ±1Hz Simulated Sine Wave, 120Vac ±10% 60Hz ±1Hz F6H650-USB 650 360 W [. . . ] [. . . ]