UPS Repair Basic ,UPS Battery Fault Replace කිරීම සහ දෝශ සෙවීම
1:16:23
How to Repairing UPS
41:55
How to Check Capacitors on Analog Digital Multimeter
10:36
UPS Repair Part 01. How to Repair UPS at Home step by step. Learning with Sinhala language..
42:49
Computer Power Supply Repair
18:15
Rice Cooker Repair | Tronic class | Sinhala👌 #electronic #electrical #repair
19:18
UPS explained - Uninterruptible Power Supply
8:26
පරිගණකයට UPS අවශ්යද ? Un-Interrupted Power Supply
42:17