On Tue, 15 Aug 2017 09:29:23 -0400
Dennis Lee Bieber  wrote:

> On Mon, 14 Aug 2017 21:14:18 -0400, rickman  declaimed
> the following:
>
>
> >UPS typically use SLA, sealed lead acid, batteries, I suppose because of the
> >cost.  Notice it is very hard to get capacity info on most UPS units.  They
>
>  Lead acid typically works with cheaper charging circuits, and work well
> with a continuous float charge -- unlike NiCad/NiMH/Lithium rechargeable
> with their multistage charging cycles and warnings to remove them from the
> charger when they are "full".
> .

Indeed so. A UPS is a near perfect fit, as are emergency lighting systems, fire
alarms etc.

--
W J G

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