Hubbell ufo-led25 led emergency battery pack, powers to 25va/w or led fixtures w/full lumen output upon failure of normal power, hubbell lighting’s ufo-led instantly begins providing emergency power to the connected lighting load for a minimum of 90 minutes. The power being provided directly to the led driver is 120 or 277 vac 60 hz. A solid-state low voltage disconnect circuit protects the inverter battery from severe damage by deep discharge during prolonged power failures. When normal power is restored, the ufo-led automatically returns to charge mode. The battery capacity is fully restored in 24 hours. Remote test switch with charging indicator is included.