Re: Home UPS recommendations
On Sat, 2024-02-10 at 18:40 +0000, Joe wrote:
> On Sat, 10 Feb 2024 16:45:29 +0100
> hw <hw@adminart.net> wrote:
>
>
> >
> > The cheap APC models seem to produce a lot more heat, and their
> > batteries don't seem to last as long. They work and they're not
> > really a good deal. I don't have test equipment for UPCs, but you can
> > feel how warm they get and see how cheaply they're built without
> > special equipment.
> >
>
> It's quite surprising how many complaints about swollen UPS batteries
> there are around the Net. Given the fairly light duties of the batteries
> almost all of the time, this is pretty well certain to be caused by
> overheating due to incompetent charging. Batteries, particularly
> lead-acid types, are not exactly new technology, and the correct
> charging of them is well understood.
>
The batteries in the cheap ones were not swollen. They're just no fun
to replace.
Perhaps they use cheaper components that are less efficient and thus
create more heat. That doesn't necessarily affect the batteries.
Reply to: