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Electrical and Wiring / Re: Peukert Exponent
« Last post by William_Foster on Today at 12:12:23 AM »
Thanks for the information on the 'Battery Starts Synchronised' Tim.

Yes, we have a Mac and iPhones and connect to the Victron via bluetooth.

I didn't know you could connect via any other way except bluetooth.  It came standard with my Scout, we never thought we would use it but we do quite regularly when out and about; especially when driving long distances to ensure all is going well with the fridge.

I am interested in your mention of graphs, I haven't seen any graph options; I just get screens like SmallFry posted.
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General Discussion / Re: Battery issues from RV Daily Issue
« Last post by William_Foster on Today at 12:04:52 AM »
It was an interesting article.

The bit I liked most that their solution was seemed to be a complete rewire and upgrade of all components, when all they needed to do was fix the inverter.

I can't really say much though, if money wasn't an issue I would probably do the same  :)
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General Discussion / Re: Battery issues from RV Daily Issue
« Last post by Gumb on January 16, 2019, 09:53:30 PM »
I read that too. An article for the sake of it like most of the crap in that magazine and a highly unlikely occurrence.
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General Discussion / Battery issues from RV Daily Issue
« Last post by Jim and Lyn on January 16, 2019, 09:39:09 PM »
Gday All,
Just thought as there has been quite a few people with battery problems that the article in RV Daily News - a Pat Callinan online mag - may be of interest. Major battery flattening turned out to be inverter incorrectly installed and slowly shorting out.
Cheers
Jim
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For Sale or Wanted / Re: 2013 Tvan Murranji -$41,750 Wollongong
« Last post by bobbydog58 on January 16, 2019, 07:25:43 PM »
Now SOLD
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For Sale or Wanted / Re: Can't post my for sale advert
« Last post by obeeone on January 16, 2019, 01:13:05 PM »
G'day

Irfanview is free and is great for resizing photos among other things.

https://www.irfanview.com/

Carl
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Electrical and Wiring / Re: Peukert Exponent
« Last post by TimH on January 15, 2019, 11:30:36 PM »
The "Battery Starts Synchronised" just means that when the Victron is first powered up it defaults to showing that the batteries are fully charged (100% SOC) even if they aren't.
This is instead of waiting for the first synchronization. After the first full charge it will synchronize and get its head straight.

Depending on the Efficiency and Peukert settings, the State of Charge shown on the Victron can be slightly inaccurate so over several charges and discharges the error can creep up.
Victron gets around this by doing a synchronization when the batteries are fully charged, which resets the SOC to 100%.
It figures the batteries are fully charged by measuring the battery voltage, seeing when the charge current drops to a low value for a set length of time (all of these values can be changed by the user).
It sometimes gets confused and does a synchronization too early (more likely when charging by solar). So I do an occasional manual synchronization when I am charging up via 240V just to get it back in sync.

I have a couple of Lithium batteries in mine which are a bit harder than AGMs to figure out when they are fully charged, since the battery voltage doesn't change much.

The Victron has been good to use when I have been trying to work through some charging problems. I can get some great graphs on the PC showing what's happened during a charge/discharge cycle.
I'm using a windows PC so I have to attach to the Victron via a USB cable which is a bit of a nuisance.
I assume you have a Mac home computer? Do you connect to the Victron via bluetooth or do you connect to it another way?
Tim
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For Sale or Wanted / Re: Topaz for sale
« Last post by murranji on January 15, 2019, 04:52:07 PM »
Many thanks for that Phil.  Still learning internet etc..
Cheers Murray
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For Sale or Wanted / Re: Tvan Mk V Murannji for sale. 2017, used once.
« Last post by monktm on January 15, 2019, 04:36:45 PM »
You could always try asking politely, monktm ;)
That is very true , but if you would like to sell something
Photos are a must . Good luck to them anyhow .

It’s like a trend I see people selling vehicles and not putting the klms .
What’s have you got to hide . The more information you put the more genuine your enquires will be .
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For Sale or Wanted / Re: Tvan Mk V Murannji for sale. 2017, used once.
« Last post by Wildmax on January 14, 2019, 11:54:37 PM »
You could always try asking politely, monktm ;)
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