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Search took 0.00 seconds. Search: Posts Made By: avanti
Forum: Electrical | Charging, Systems, Solar and Generators 08-08-2016, 02:11 PM
Replies: 31
Views: 5,763
Posted By avanti
I have a similar one (probably not the same...

I have a similar one (probably not the same brand) on the starter battery of a car that often sits in storage for long periods. It allows us to start the car after many months of storage without any...
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 08:47 PM
Replies: 31
Views: 5,763
Posted By avanti
Yes. The only issue with a digital (actually,...

Yes. The only issue with a digital (actually, any powered) meter has to do with powering the meter from the same source that is being measured. A passive ohmmeter (or a battery-powered one) wouldn't...
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 07:43 PM
Replies: 31
Views: 5,763
Posted By avanti
ALL THREE cables must be removed from the...

ALL THREE cables must be removed from the negative battery post and moved to the far end of the shunt. That way, the shunt will "see" all current.
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 07:30 PM
Replies: 31
Views: 5,763
Posted By avanti
Here is how I did my shunt: 3547 3548 3549 ...

Here is how I did my shunt:
3547
3548
3549
3550
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 07:24 PM
Replies: 31
Views: 5,763
Posted By avanti
Yes. As long as by "batteries" you mean the whole...

Yes. As long as by "batteries" you mean the whole ensemble. The cable interconnecting the batteries stays on the battery side of the shunt.
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 05:31 PM
Replies: 31
Views: 5,763
Posted By avanti
The shunt MUST be at the negative terminal of...

The shunt MUST be at the negative terminal of battery #2. ALL current must pass through it with the exception of the ground wire that goes to battery #1.

The current between the two batteries is...
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 04:10 PM
Replies: 31
Views: 5,763
Posted By avanti
Totally agree about the need for data. One...

Totally agree about the need for data.

One question, though: How do you determine the "correct" temperature? What really matters is the "core" temperature of the battery, which is itself a heat...
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 03:29 PM
Replies: 31
Views: 5,763
Posted By avanti
Your thermodynamic intuitions are very different...

Your thermodynamic intuitions are very different from mine. In this kind of analysis, the thermal conductivity of the various materials makes all the difference. Metal conducts heat far, far better...
Forum: Electrical | Charging, Systems, Solar and Generators 08-05-2016, 02:09 PM
Replies: 31
Views: 5,763
Posted By avanti
There is a hefty solid metal path into the...

There is a hefty solid metal path into the battery from the terminals. It conducts heat far better then does air. I am pretty sure that terminal-mounted temp sensors work just fine.
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