Re: Re: [Slightly OT Contd...] - UPS Calibration.

[Phil Harris <phil@xxxxxxxxxxx>]

Andy Whitfield wrote:

>--- In ukha_d@xxxxxxx, Phil Harris <phil@a...> wrote:
>
>
>>Dave wrote:
>>
>>The batteries are all the same mate ... the "APC" branded
packs
>>
>>
>that
>
>
>>came out of my UPS (which I have had sat on the floor for three
>>
>>
>years on
>
>
>>top of a network cable to stop it getting pulled and yanking my
>>
>>
>switch
>
>
>>off the shelf) were, when I peeled off the APC labels and parted
>>
>>
>the
>
>
>>packs out of curiosity, bog standard GP branded 12v 17Ah
"slightly
>>bigger than motorcycle" batteries.
>>
>>Nothing special at all.
>>Phil
>>
>>
>
>APC don't make their own batteries.  They typically use CSB and
>Panasonic batteries.
>There are different lead-acid technologies.  UPSs use AGM non-
>spillable batteries that can be installed in any orientation.  Cars
>batteries have to be installed upright as they are spillable.  I
>don't know what motorbikes use?  Maybe AGM?  Anyone know?
>Lead acid batteries have a shelf life and should be regularly charged
>about every 6 months.
>If left too long they can suffer damage.  Sometimes this can be a
>single cell going short circuit and this can lead to the other cells
>in the battery over charging and being damaged.
>Regards
>Andy
>
>
That was 'em - CSB not GP ... GP batteries are what I just bought for my
car alarm fob this morning!

Phil