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Old 12-14-2021, 09:06 AM   #58
Join Date: Feb 2021
City & State: Minsk
My Country: Belarus
Line Voltage: 230VAC 50Hz
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Posts: 51
Default Re: Powerware 9120 Online UPS

Originally Posted by Behemot View Post
while that works, it is not very efficient,
lamps are constantly lighting rarely. for example during fast charge phase for 3 hours.
usually 1or2 just lights for several seconds, others - not, because 6*13.7=82.2V, and Ippon supplies 82.15V for six batteries charging.
but without this scheme new batteries have been degraded in 2 years. I lost 2 complects fast.
and yes it is not for Back-UPS due to it usually has just 1 or 2 batteries.
the main problem is not a consumption, but place and additional size.
I rebiuld external batteries block for one of the complect

Last edited by AleXis6; 12-14-2021 at 09:32 AM..
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