UPS Runtime Calculator

To determine the approximate runtime of our UPS Systems, enter the load of your system and select the appropriate model.

For more advanced runtime calculations, select Advanced, and you can enter configurations for units containing 7Ah, 9Ah and 12Ah batteries.

If the configuration is available to purchase, click the "Buy Configuration" button and the items will be added to your cart.

UPS Runtime Calculator

Enter AC Watts


Select Product

Click for Advanced

Fixed LossW
Block VoltageV
Number Blocks
Block Capacity 7Ah


? mins Hr/Min

This tool is for approximating runtime achieved on our UPS for particular loads. Refer to datasheets for definitive information (runtime usually specified at full and half load). It is to be used as a guide only.

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©2008 - 2014 Power Inspired Ltd
Units 5-7 High Point, Riding Road, Buckingham Road Industrial Estate, Brackley, Northamptonshire, NN13 7BH, United Kingdom
TEL: +44 (0)1280 811180
VAT Registration GB 931219642. Registered in England 06565627, Registered Address: 11 Boundary Business Park, Garsington, Oxford OX44 9EJ