General Support Guide

Click a topic for a quick guide to some common support questions you may have. If you have any additional questions or any questions not covered below, please call or email us.

Common Questions
Cross Reference Guides
Discontinued Series Support


Common Questions

What is a UPS?
See answer here.

Why do I need a UPS?
See answer here.

How do I determine what size UPS to purchase?
See answer here.

What type of equipment should I not connect to my UPS?
See answer here.

Should I connect a UPS to each workstation?
See answer here.

Why do I need power management software?
See answer here.

How do I dispose of my non-working UPS?
Please take any non-working units or spent batteries to your local recycling center for proper disposal.

How often should I recharge UPS units in storage?
If you are not using your UPS, please recharge your UPS units to maintain the lifespan of the battery(ies) inside as follows:
UPS with 1 x 12V/4.5Ah or 12V/5Ah battery at least once every four (4) months.
UPS with 1 x 12V/7Ah or 12V/9Ah battery at least once every five (5) months.
UPS with 2 x 12V/7Ah or 12V/9Ah batteries at least once every six (6) months.

What is an automatic voltage regulator (AVR)?
See answer here.

Why do I need a sine wave UPS?
See answer here.

What is power factor and why is it important?
See answer here.


Cross-Reference Guides

*** Maruson OFF Line UPS Cross Reference
*** Maruson ON Line UPS Cross Reference


Select Chart
*** UPS Technology & Select guide

*** OFF Line UPS Select Chart 
*** ON Line UPS Select Chart

*** AVR Select Chart


Discontinued Series Support

Power Pro ALCD Series
Software download here.
User manual download here.
Brochure download here.