It's not a bad design goal if you can plan on only 1 or 2 outages per
year, if that. Probably not too bad if the generator kicks in and you
only abuse the batteries for a few minutes.
My observation was that the big APC units charged at about half the
discharge rate, so yeah, charging too fast, but the discharge did more
harm than charging.
I was a 16 year old kid working his first real job in an auto parts
store just after cars switched from 6v to 12v. We could order 8 volt
lead-acid batteries, and I always thought that 6+8 was 14.....
73 - Lynn
On 8/31/2017 2:53 PM, Jim Brown wrote:
Second, a local computer guru, AE6KS, has observed that most UPS mfrs
charge batteries at too fast a rate for good battery life. The objective
is to have the unit ready to do it all again if power drops, then
returns, then drops again. This intentional design goal kills batteries
pretty quickly.
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