oya UPS kiyana nameema theeruma gabvelaa thiyanava. Uninterruptible Power Supply (UPS). power eka eka mattamakata pavathvaganimin pc ekata ha data valata vana haaniya valakvaganeema thamai eken karanne
u need UPS coz u wont lose any work which u were doing at that time when the power cut happens! In Sri Lanka often u get power cuts so better use one. Its not a must thing to have...but if u dont save ur work then u will lose it when there is a electricity blackout.