Hi john
If you get an arduino nano, it has 8 analog to digital pins.
You could read all 8 with some thermisters(resisters that change based on temp).
The arduino can send info to a computer and you could log the temp variations between batteries.
It could be programmed to turn off the charger too( with a relay) based on temp of any battery.
It may be interesting to see how this changes over the life of the batteries.
It would also show the difference in temp of each battery.
The problem with this is you need time to design and program it first.
Mark
From: "John Acord jcacord@gmail.com [electricboats]" <electricboats@yahoogroups.com>
To: electricboats@yahoogroups.com
Sent: Thursday, November 9, 2017 5:42 PM
Subject: [Electric Boats] Re: Battery temperature
I am building a 48V system with 8 golf cart flooded cells. I have always had good results and long life with them as long as one pays attention to charging, battery temperature and keeping them watered.
To my way of thinking, both for safety and battery health, temperature monitoring is essential. Each battery will have a temperature sensor with associated readout and alarm circuitry.
I am thinking that 50 deg C. (122 F.) would be a good alarm point. Any comments/suggestions?
John A.
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Posted by: Mark F <mark.internet@yahoo.ca>
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