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  Topic: LiFePO4 Batteries: Discussion Thread
baltik

Replies: 769
Views: 48642

PostForum: Vanagon   Posted: Sun Aug 29, 2021 8:26 pm   Subject: Re: LiFePO4 Batteries: Discussion Thread
Great call on the enclosure, any chance you can build a turnkey compression solution for the smaller packs under the drivers seat?
  Topic: New Tire: Toyo Open Country AT III - Follow up
baltik

Replies: 44
Views: 6960

PostForum: Vanagon   Posted: Mon Aug 23, 2021 1:17 pm   Subject: Re: New Tire: Toyo Open Country AT III - Follow up
Thinking of replacing my Rotiivas with these (Liked the rotivas but they are starting to dry rot and crack 4 years in (10k miles in wear). Considering the Wildpeaks as well, both seem promising
  Topic: Troubleshooting A/C fan switch
baltik

Replies: 6
Views: 160

PostForum: Vanagon   Posted: Fri Aug 13, 2021 7:51 am   Subject: Re: Troubleshooting A/C fan switch
Thanks Dave! I have a 90 so seems like your advice is dead on. You say that the fans get their power from the AC switch but I could have sworn there was a way to turn on the fans without turning on th ...
  Topic: Troubleshooting A/C fan switch
baltik

Replies: 6
Views: 160

PostForum: Vanagon   Posted: Thu Aug 12, 2021 11:28 pm   Subject: Troubleshooting A/C fan switch
My westy has been sitting for a bit, just decided to get it into fighting shape and am experiencing the following issue:

If I turn the A/C on, A/C clutch engages and radiator fan comes on but the f ...
  Topic: Hot water using new LiFePo4 set ups?
baltik

Replies: 42
Views: 983

PostForum: Vanagon   Posted: Wed Jan 20, 2021 8:07 pm   Subject: Re: Hot water using new LiFePo4 set ups?
Hi Rorke, I went down a similar path even going as far as acquiring a heating element from alibaba, Ultimately i gave up on the project having never implemented it. I do think that an efficient heat e ...
  Topic: Bigger brake booster, improved brakes.
baltik

Replies: 184
Views: 99189

PostForum: Vanagon   Posted: Wed Dec 16, 2020 5:25 pm   Subject: Re: Bigger brake booster, improved brakes.
Link?
  Topic: Alternative Aluminum coolant Expansion tank
baltik

Replies: 137
Views: 5819

PostForum: Vanagon   Posted: Mon Dec 14, 2020 2:18 pm   Subject: Re: Alternative Aluminum coolant Expansion tank
https://intrepidoverland.com/my-diy-coolant-tank/
  Topic: LiFePO4 Batteries: Discussion Thread
baltik

Replies: 769
Views: 48642

PostForum: Vanagon   Posted: Tue Dec 08, 2020 6:51 pm   Subject: Re: LiFePO4 Batteries: Discussion Thread
Here’s a random fun fact of the day. I had a whole bunch of $ left over in my FSA account at work and was likely going to lose a lot of it. I was desperately reading all the FSA rules to figure out wh ...
  Topic: LiFePO4 Batteries: Discussion Thread
baltik

Replies: 769
Views: 48642

PostForum: Vanagon   Posted: Sat Nov 14, 2020 3:24 pm   Subject: Re: LiFePO4 Batteries: Discussion Thread
I use the Westy fridge relay wire (blue) to turn on my renogy DC/DC
  Topic: New Record? 120 usable Amp Hours under Driver's seat
baltik

Replies: 155
Views: 19569

PostForum: Vanagon   Posted: Fri Nov 13, 2020 2:16 pm   Subject: Re: New Record? 120 usable Amp Hours under Driver's seat
Has anyone considered using both driver and passenger boxes (underseat compartments too) to house a giant LiFePo4 battery set up and doing away with the "starter" lead acid one? The Amp hour ...
  Topic: Alternator charging House Lithium battery
baltik

Replies: 7
Views: 323

PostForum: Vanagon   Posted: Tue Oct 06, 2020 3:07 pm   Subject: Re: Alternator charging House Lithium battery
I have no real world experience in your setup (I run a 30a renogy with a subaru 110A alternator) but would steer you towards a 20A version, I just think you are going to be pushing a very aging electr ...
  Topic: New Record? 120 usable Amp Hours under Driver's seat
baltik

Replies: 155
Views: 19569

PostForum: Vanagon   Posted: Fri Sep 25, 2020 12:45 pm   Subject: Re: New Record? 120 usable Amp Hours under Driver's seat
Hi Dana - it can and mine currently is. Though I suspect for ease of access and margin of safety many will opt to modify
  Topic: LiFePO4 Batteries: Discussion Thread
baltik

Replies: 769
Views: 48642

PostForum: Vanagon   Posted: Tue Aug 11, 2020 7:45 am   Subject: Re: LiFePO4 Batteries: Discussion Thread
[quote="kguarnotta"]
Some answers:
Typically marine deep cycle batteries are good to 50% depth of discharge before they start to imapct the lifespan. So your two batteries are likely 40ah ...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Fri Aug 07, 2020 12:42 pm   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
Here is another nice chart to illustrate my point
https://www.thesamba.com/vw/gallery/pix/2073932.jpg
a .05C charge on a 150AH battery means we are charging at 7.5A which is actually higher than mo ...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Fri Aug 07, 2020 11:26 am   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
One of the things that took me a long time to wrap my brain around is how flat the lifepo4 curve is. A battery that's 45% full and 75% full can show essentially the same voltage. but for a 150ah batte ...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Thu Aug 06, 2020 10:31 am   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
Here are the default thresholds that Dacien uses on the elctrodacus...

they are more conservative than what comes pre-loaded on the chinese BMS and what I use in my setup. Having said that I would ...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Thu Aug 06, 2020 10:21 am   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
i would keep them in parallel as long as possible to equalize, then follow will's instructions to top balance (also in parallel). I would also verify the power supply voltage with a voltmeter as well ...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Thu Aug 06, 2020 9:16 am   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
Yeah, I too am not understanding how one of the cells went through the safety threshold...
  Topic: 150Ah LiFePo4 flat under driver seat + swivelectomy
baltik

Replies: 61
Views: 5432

PostForum: Vanagon   Posted: Mon Aug 03, 2020 7:53 pm   Subject: Re: 150Ah LiFePo4 flat under driver seat + swivelectomy
sodo - have you watched Will's top balancing video? the charger he recommends takes forever, but I find that to be a small sacrifice given I only have to do this once in a battery life cycle
  Topic: 150 Ah LiFePo4 in drivers battery box - my take
baltik

Replies: 70
Views: 6049

PostForum: Vanagon   Posted: Wed Jul 29, 2020 3:53 pm   Subject: Re: 150 Ah LiFePo4 in drivers battery box - my take
Shameless plug - I have some in the classifieds, it will be more expensive given shipping from SF Bay Area for lithium won’t be super cheap, but the flip side is you won’t have to hit refresh on the A ...
 
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