Voltage logging

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timpootle
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Location: Chorlton-cum-Hardy, UK

Re: Voltage logging

Postby timpootle » Mon Jul 18, 2011 9:40 am

Nope, nothing that clever on a Berlingo. And no real need for NiCads - they are quite tolerant to abuse compared with lithium. Within limits, of course.
Tim Crumpton

Beemer
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Joined: Sat Jun 04, 2011 12:10 pm

Re: Voltage logging

Postby Beemer » Mon Jul 18, 2011 6:24 pm

timpootle wrote:Nope, nothing that clever on a Berlingo. And no real need for NiCads - they are quite tolerant to abuse compared with lithium. Within limits, of course.


C'mon Tim, I've seen the temperature probe you stuffed under a bus bar in the front pack. ;)

True with ni-cads on voltage. They don't destroy the weakest like Li will so self bottom balanced. Then your van will limit the charge based on temperature.
8)

Clever?

GregsGarage
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Re: Voltage logging

Postby GregsGarage » Mon Jul 18, 2011 7:33 pm

The Paktrakr may be what you are looking for. I was quite happy with the one I had in my Volvo with pb gel cells. I don't recommend it for lithium cells because the display is powered from the first battery in the pack causing an imbalance. It was never an issue with the gel cells as the occasional balancing charge sorted this out and iirc you also do balancing charges on the berlingos. They sell a data logging cable as well which is what you are looking for.
Greg Fordyce

Daewoo Matiz
http://www.evalbum.com/4191

Beemer
Posts: 294
Joined: Sat Jun 04, 2011 12:10 pm

Re: Voltage logging

Postby Beemer » Mon Aug 15, 2011 5:05 am

Well, considering its Ni-Cad cells. Isn't temperature the big giveaway?

http://en.wikipedia.org/wiki/Nickel-cadmium_battery

If you had a cell or two drop to 0v then the others will attempt to force them into reverse under load. like Li cells, it wrecks them. This should be easily found on a low pack.


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