After several years ANY brand of UPS will need new batteries. You should initiate a scheduled maintainance service for all equipment if you want it to operate reliably.
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Find one using Sanyo cells in the battery. Sanyo make the best quality IMHO. Not sure who uses them though!
What do you expect for a lifetime for those batteries anyway? What does "several years" mean anyway?
As for myself, I pick up replacement batteries at an electronics flea market for $4 each. No problemo! At a cost of about 20cents a day for two batteries for a year, I have no problem with that. And the replacements have lasted for "several years" already.
Al
-- There's never enough time to do it right the first time.......
All batteries will fail after "several years."
Some UPSs (including some from APC) will periodically, or on command, do a load test. Even then, all they can do is warn about a possible battery failure, they can't prevent it.
Rather than buying new UPSs, just replace the batteries and recycle the old ones.
-- Rich Webb Norfolk, VA
How is it that a good car battery can work for 5 years or more, and under harsh conditions to boot?
One difference: Car battery is always being discharged/charged. Standby battery is always being trickle charged.
Second difference: Standby battery is usually gel cell. Car battery is liquid electrolyte.
Probably a lot more I haven't thought of.
Al
-- There's never enough time to do it right the first time.......
Regarding APC supplies, I've actually had NO failures of this brand at all, except for battery replacement. We must have about 40 of them, most in the
300-400VA category, but about 5 of the 1KW versions for server and telephone system backup. I don't buy the replacement batteries from APC though, their prices are a little inflated. McMaster Carr carries the correct batteries for about 25% less.Though APC doesn't recommend replacing the batteries on their older Back-UPS models without the battery compartment door, I do it anyway. Average battery life for the small units is 2-2.5 years, and on the large units, 3-4 years.
Doug Moore
So exercise is good for batteries too? ;-)
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