Power disruption and shutdown can be very annoying and may even be costly at times. There are various methods to maintain zero down time for a system like adding backup powers by using generators or adding Uninterruptible Power Supply (UPS). The choice of UPS depends largely on the power requirement of the system. One should look for an economical solution instead of simply using an AC-UPS which could be too bulky and expensive for a small to medium DC applicable loading. In such case, a DC-UPS would be a simpler, more efficient and cheaper option for the user.
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