... ) External battery bank (optional)Application Data center, Point-of-sale, Router, Hub and other network device, Commercial facility, Precision instrument.MODEL ... 30 seconds, above 150% for 1 second105%~125% for 10minutes, 126~150% for 1 minute, above150% for 1 second.BATTERYVoltage(Vdc)3672 (220V ... /6.525/1429/1569/2670/27 KR11 Series Online UPS (1-10KVA)