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Friday, May 26, 2006 4:52:04 PM
Doing a google search for "back up power" as opposed to "Uninterrupted Power Supply/UPS", I noted that there seems to be far more dedicated electronic/testing/medical equipment UPS manufacturers than basic 120v 60hz AC back up such as Sentry.
The electronic controls for really "clean & stable" power and/or continuous "filtering" protection appears to be the difference between the two products along with battery/weight size. UPSes are generally smaller, more portable units with much less activated time availability than basic AC back up such as Sentry.
Of the Sentry type units; they were generally in the multi thousand dollar range and some makes were designed for individual appliances each; such as refrigerator/freezer only applications and some used a 48v battery. Additional 48v batteries could be purchased for around $400 bucks or so and apparently used as swap-out replacements for these one appliance/one battery units for added runtime.
American Power Conversion was one site with ALL these types of UPS and AC backups presented.
So..........if one wants a back up unit where a generator is not allowed..........the premium goes up, big time.
Maybe Sentry can carve out a niche with PTI batteries over time that will finally provide some REVENUE accreation.
I guess we're waiting for next month then friends.
Bill O>
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