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I need more power Scotty!


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#301 ntsqd

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Posted 27 July 2023 - 08:28 PM

If the DC-DC charger sees that it is getting too hot it will start dialing back ("throttling") how much current it passes on to the battery(ies). This may be an active part of it's programing or it could simply be a function of increased resistance due to the conductors inside it getting hot.


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Thom

Where does that road go?

#302 Jollyrogers

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Posted 27 July 2023 - 08:35 PM

Wallowa
Ambient temps were 87F. I couldn’t touch the charger for more than a count of 5 after it started charging within 5 minutes. It had started at just under 30a, was in bulk, throttled to 24amps pretty quick. I think it’s something to be aware of and check if charging bulk, if you see it throttled, it’s doing its job, but not as efficient and hot.

Also, I camp in NFs a lot with no sun to speak of, so mostly rely on a Honda1K or truck for charging. If I do have sun, I keep things topped off with a 200w solar suitcase that seems to do the job.
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#303 brentano

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Posted 30 July 2023 - 01:35 AM

I did the Victron Orion DCDC upgrade along with 6AWG wiring to the camper.

I terminated the 6AWG on an Anderson SB-50 connector inside a Trailer Vision flush mount in the truck bed. As with Vic, I also wired my OEM BlueSea ACR (#7611) in parallel with the DCDC.

 

I control the mutually exclusive devices using an ignition signal from my truck and a relay for the ACR. As a companion mod, I am swapping out the FWC OEM Iota DLS-30 with internal IQ4 ACDC converter for a programmable Victron IP-22 12/30 (1) model.

The IGN signal is passed via the FWC OEM 10/2 cable terminated on the Attwood connector in the bed. In other words, I kept the FWC engine bay to camper 10 AWG wiring and re-purposed it for signaling instead of power.

Attached File  IMG_0483.jpeg   120.57K   29 downloads


Edited by brentano, 30 July 2023 - 03:09 PM.

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#304 Vic Harder

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Posted 30 July 2023 - 03:10 AM

clever, and clean work.  Nice.


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#305 Hoopy

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Posted 30 July 2023 - 03:52 PM

thank you for your write up.....I have come to the conclusion after three years of hard use on my AGM's that I need to be doing somthing in the charging system to get the full benefit of battery life. I have learned alot  thank you hoopy


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#306 Vic Harder

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Posted 30 July 2023 - 11:14 PM

FYI I watched this video today... the guy is pretty much right on...


Edited by Vic Harder, 30 July 2023 - 11:15 PM.

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#307 craig333

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Posted 31 July 2023 - 08:47 PM

I haven't carried my portable solar panel for years now. Probably will when I start going taking longer trips.


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Craig K6JGV_________________________ 2004 2500 CTD 4X4 FWC HAWK 1960 CJ5


#308 TacomaAustin

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Posted 31 July 2023 - 09:20 PM

Hey Vic, thanks for posting the video.


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#309 JWL

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Posted 01 August 2023 - 01:32 PM

Very well done. Thanks!


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