If your office is like ours, you probably have several small UPS units protecting individual desktop computers, perhaps a switch in a remote communications closet or perhaps a SOHO class telephone system. Many times these systems are installed and then promptly forgetten about as they collect dust under a desk or languish in a seldom visited rack. Well, belive it or not, small UPS units require as much, if not more, attention as an enterprise class UPS.
An enterprise class UPS usually features advanced battery technology that enable batteries to remain in service for many years. Unfortunately, the same is not true of smaller UPS units. The typical small UPS uses basic sealed lead acid batteries which have a much shorter life span than those found in large UPS systems.
We recommend to our customers that they replace the batteries in small UPS units every 24 months. If the UPS protects an extremely critical load, consider reducing this period to 18 months. When replacing batteries in these units, place a label on the UPS with the date for the next battery replacement and set a reminder in your departmental calendar as well.
One final note, make sure to dispose of used batteries properly. Most manufacturers offer some type of recycling program and if that option is not practical, many electronics and battery retailers offer free battery collection programs. Your municipality may also offer free battery recycling. Contact your solid waste authority for options in your community.
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