Re: APC Smart-UPS float voltage experiment

UPS, as i mentioned before it was modified by the seller. a few settings in powerchute, hyperterminal, 60amp fuse, bigger cables. at least this is what he told me.
i have 2x45ah batteries.

i have been using it for 3 years, 2 winters and it has done his job when i have lost electricity because of the hard winter. around 6-12 hours at a maximum 30w power consumption, only 1 pump (water pump for recirculating hot water) and the pump it was cycling "on" and "off", it is controlled by a thermostat/heat...

Re: APC Smart-UPS float voltage experiment

hello!
can someone help me lower my ups float voltage?

i have an APC smart ups 1000VA (2002 i think), it is a black one and it is modified to run on 2x12v car battery for central heating pump backup. i didn't make the modification, the guy from i have bought the ups did it.
i currently have 27.72v float voltage but it is boiling my car batteries, i would like to achieve 27v.

i have already tried to do the "r118" mod but it did not work, also, you can see that it is another model, with newer...