Online USV
The major advantage of the Online-UPA is they maintain a sustained voltage, so that in the situation voltage disturbances or power failure, the transition is smoothly passes. It does not have to be switched from the mains to the battery first. The connected device therefore suffers no interruption, so that a smooth operation without data loss or the like. is guaranteed. The battery will recharge permanently under normal conditions and will not discharge until an emergency occurs.
