https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html

I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?

Bill

On Friday, 23 June 2023 at 15:48:34 UTC+1, wrights...@f2s.com wrote:
> https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>
> I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
>
> Bill

https://www.batteriesdirect.com.au/shop/product/35257/teb-cb-047.html

That's about £100 UK, but it will take months to literally ship from Oz.

By my reckoning this is two lithium cells in series, so can't you make one from readily available cells for just ££?

On 23/06/2023 16:25, R. Mark Clayton wrote:
>
> On Friday, 23 June 2023 at 15:48:34 UTC+1, wrights...@f2s.com wrote:
>>
>> https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>>
>> I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
>>
>> Bill
>
> https://www.batteriesdirect.com.au/shop/product/35257/teb-cb-047.html
>
> That's about £100 UK, but it will take months to literally ship from Oz.
>
> By my reckoning this is two lithium cells in series, so can't you make one from readily available cells for just ££?

Yes, it looks like that should be possible. Individual LiIon cells are
3.7V, while the packed one shown in Bill's link is 7.4V 13.2Ah, and
seems to consist of 6 x 2 = 12 cells, so I suspect it's made up of 6
pairs each of 2 cells in series to get the voltage, with the pairs
arranged in parallel to get the capacity, something like (where o
represents a cell, a fixed font will be necessary for this to look right):

+-+-+-+-+-+- +
| | | | | |
o o o o o o
| | | | | |
o o o o o o
| | | | | |
+-+-+-+-+-+- -

--

Fake news kills!

I may be contacted via the contact address given on my website:
www.macfh.co.uk

Oops ...

On 23/06/2023 16:47, Java Jive wrote:
>
> Yes, it looks like that should be possible.  Individual LiIon cells are
> 3.7V, while the packed one shown in Bill's link is 7.4V 13.2Ah, and
> seems to consist of 6 x 2 = 12 cells, so I suspect it's made up of 6
> pairs each of 2 cells in series to get the voltage, with the pairs
> arranged in parallel to get the

current

> something like (where o
> represents a cell, a fixed font will be necessary for this to look right):
>
> +-+-+-+-+-+- +
> | | | | | |
> o o o o o o
> | | | | | |
> o o o o o o
> | | | | | |
> +-+-+-+-+-+- -

--

Fake news kills!

I may be contacted via the contact address given on my website:
www.macfh.co.uk

On Fri, 23 Jun 2023 07:48:33 -0700, wrightsaerials@aol.com wrote:

> https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-
cb047.html
>
> I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax
> analyser. This is the only one I can find, but the price is ridiculous.
> Any suggestions as to where I can buy this battery or its equivalent at
> a sensible price, please?
>
> Bill

Ebay have Promax Analyser batteries but only 2.6 amps @ £23

On 23/06/2023 15:48, wrightsaerials@aol.com wrote:
> https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>
> I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
>
> Bill
>
This one is a bit shorter so should fit OK.
https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
Its a French supplier which might offend Bill.😊

On Friday, 23 June 2023 at 17:56:48 UTC+1, jon wrote:
> On Fri, 23 Jun 2023 07:48:33 -0700, wrights...@aol.com wrote:
>
> > https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-
> cb047.html
> >
> > I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax
> > analyser. This is the only one I can find, but the price is ridiculous.
> > Any suggestions as to where I can buy this battery or its equivalent at
> > a sensible price, please?
> >
> > Bill
> Ebay have Promax Analyser batteries but only 2.6 amps @ £23
Yeah, this is an old machine and it seems to need a large capacity battery.
Bill

On Friday, 23 June 2023 at 18:36:48 UTC+1, MikeS wrote:
> On 23/06/2023 15:48, wrights...@aol.com wrote:
> > https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
> >
> > I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
> >
> > Bill
> >
> This one is a bit shorter so should fit OK.
> https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
> Its a French supplier which might offend Bill.😊
Nowt wrong wi' t'frogs as long as they remember their place.
I wonder why that battery has two cables?
Bill

On Fri, 23 Jun 2023 13:19:10 -0700 (PDT), "wrightsaerials@aol.com"
<wrightsaerials@f2s.com> wrote as underneath :

>On Friday, 23 June 2023 at 18:36:48 UTC+1, MikeS wrote:
>> On 23/06/2023 15:48, wrights...@aol.com wrote:
>> > https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>> >
>> > I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
>> >
>> > Bill
>> >
>> This one is a bit shorter so should fit OK.
>> https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
>> Its a French supplier which might offend Bill.?
>Nowt wrong wi' t'frogs as long as they remember their place.
>I wonder why that battery has two cables?
>Bill

Heavy for the power output/input.
Light one for monitoring/balancing the groups of parallel cells.
C+

On Friday, 23 June 2023 at 21:19:12 UTC+1, wrights...@f2s.com wrote:
> On Friday, 23 June 2023 at 18:36:48 UTC+1, MikeS wrote:
> > On 23/06/2023 15:48, wrights...@aol.com wrote:
> > > https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
> > >
> > > I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
> > >
> > > Bill
> > >
> > This one is a bit shorter so should fit OK.
> > https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
> > Its a French supplier which might offend Bill.😊
> Nowt wrong wi' t'frogs as long as they remember their place.
> I wonder why that battery has two cables?
> Bill

Read its spec', but probably one for input charging current and one for output current.

On 23/06/2023 21:19, wrightsaerials@aol.com wrote:
> On Friday, 23 June 2023 at 18:36:48 UTC+1, MikeS wrote:
>> On 23/06/2023 15:48, wrights...@aol.com wrote:
>>> https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>>>
>>> I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax analyser. This is the only one I can find, but the price is ridiculous. Any suggestions as to where I can buy this battery or its equivalent at a sensible price, please?
>>>
>>> Bill
>>>
>> This one is a bit shorter so should fit OK.
>> https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
>> Its a French supplier which might offend Bill.😊
> Nowt wrong wi' t'frogs as long as they remember their place.
> I wonder why that battery has two cables?
> Bill
>
The modern ones have smart batteries like a laptop. You could take a
chance and connect only the two heavy leads. As yours is very old I
would ask Promax about sourcing suitable batteries.

Probably made by Saft, or whoever owns them these days. I used to like their
Ni Cads always better than anyone else's.
Brian

--
Brian Gaff - briang1@blueyonder.co.uk

Blind user, so no pictures please!

This document should only be read by those persons for whom Paranoia is
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"Charlie+" <charlie@xxx.net> wrote in message
news:lp2d9it8q943bv8n5b6b413toloil1l764@4ax.com...
> On Fri, 23 Jun 2023 13:19:10 -0700 (PDT), "wrightsaerials@aol.com"
> <wrightsaerials@f2s.com> wrote as underneath :
>
>>On Friday, 23 June 2023 at 18:36:48 UTC+1, MikeS wrote:
>>> On 23/06/2023 15:48, wrights...@aol.com wrote:
>>> > https://www.donberg.co.uk/catalogue/passive_components/batteries/prx-cb047.html
>>> >
>>> > I need a battery. 7.2V 13Ah li-ion. 113x66x37mm. It's for a Promax
>>> > analyser. This is the only one I can find, but the price is
>>> > ridiculous. Any suggestions as to where I can buy this battery or its
>>> > equivalent at a sensible price, please?
>>> >
>>> > Bill
>>> >
>>> This one is a bit shorter so should fit OK.
>>> https://www.batteries4pro.com/en/Tooling/Tester/3,18467-battery-74v-13ah-li-ion-cb-084-for-promax-neo-4-4894128159087.html
>>> Its a French supplier which might offend Bill.?
>>Nowt wrong wi' t'frogs as long as they remember their place.
>>I wonder why that battery has two cables?
>>Bill
>
> Heavy for the power output/input.
> Light one for monitoring/balancing the groups of parallel cells.
> C+