Best long,standard backup power backup solution UPS Price in Bangladesh 2019. Online,offline,1kva,3kva,battery,1200va,1500va,2000va,800va,10kva ups available here. Firstly An uninterruptible power supply (UPS) is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. Secondly a UPS differs from an auxiliary or emergency power system or standby generator in that it will provide near instantaneous protection from input power interruptions, by supplying energy stored in batteries. The on battery run time of most uninterruptible power sources is relatively short. Finally a ups typically used to protect hardware such as computers, data centers, telecommunication equipment or other electrical equipment where an un expected power disruption could cause injuries, fatalities, serious business disruption or data loss.