please give me the information about UPS
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When incoming utility power drops below or surges above safe voltage levels, the UPS switches to DC battery power and then inverts it to AC power to run connected equipment. These models are designed for consumer electronics, entry-level computers, POS systems, security systems, and other basic electronic equipment.
UPS My Choice® members can use the Follow My Delivery live map to view the location of select packages in relation to the delivery address. The package icon updates every two to three minutes as the package moves towards its destination
If your tracking number doesn't work or has errors, it could be that your shipping hasn't been picked up yet by the courier or the courier has not scanned it as received. Please allow up to 24 hours for your tracking number to be logged by the shipping courier
The three major types of UPS system configurations are online double conversion, line-interactive and offline (also called standby and battery backup). These UPS systems are defined by how power moves through the unit.
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