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Old 07-11-2016, 12:40 AM   #1
Eugene Rider
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Default Lithium battery install

I have been asked to supply pictures and progress about my lithium battery install.
I picked up my "install" kit last Thursday from AM Solar.
I only have two of the batteries, the other two are coming.
I'm installing 4 Victron 12.8v/90ah batteries, Victron 3000 watt inverter with color monitor and a Victron BlueSolar charge controller. (according to AM Solar, more amps will get threw, 10-30% more).
Lots of relays and wiring.
I hope to install all 4 batteries and lynx distributor 1000 in the compartment behind the coach door, the now battery compartment wii hope in inverter along with wiring a relays.
Sleeping has been marred with waking up, thinking about all the work ahead.
I'm also installing a National 270 amp alternator as I didn't get a generator with my Unity TB.
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Old 07-11-2016, 01:24 AM   #2
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Default Re: Lithium battery install

This looks serious <pulling up chair to watch>.......
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Old 07-11-2016, 03:15 PM   #3
Peter Tourin
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Default Re: Lithium battery install

Me too - this looks like a really interesting project. You sure went for the nice stuff <g>...
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Old 07-11-2016, 04:06 PM   #4
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Default Re: Lithium battery install

Peter,
What will be your total battery weight for the four? Compare to your original weight for 2 lead acids. Make lots of photos.
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Old 07-11-2016, 05:28 PM   #5
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Default Re: Lithium battery install

It's not my project, I'm just lurking and gabbing <g>... But the Victron batteries aren't particularly light,it looks like they're around 33 lbs each. I think my 2 stock batteries were 47 lbs each. But there's way more capacity there. Stock batteries would be around 180 aH total, and if you use the 50% rule to keep them from degrading quickly, you have 90 aH usable capacity. Four 90 aH lith batteries is 360 aH total, but you could use 80% of that, so you have 325 aH of usable capacity. Plus you can charge/discharge them at a high rate. If I understand the original post, he's adding an extra 270 amp alternator - if that's true, he can pull the battery bank way down and then recharge by driving around for somewhat more than an hour. That's a lot of gain.
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Old 07-11-2016, 11:30 PM   #6
Eugene Rider
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Default Re: Lithium battery install

Quote:
Originally Posted by Peter Tourin View Post
It's not my project, I'm just lurking and gabbing <g>... But the Victron batteries aren't particularly light,it looks like they're around 33 lbs each. I think my 2 stock batteries were 47 lbs each. But there's way more capacity there. Stock batteries would be around 180 aH total, and if you use the 50% rule to keep them from degrading quickly, you have 90 aH usable capacity. Four 90 aH lith batteries is 360 aH total, but you could use 80% of that, so you have 325 aH of usable capacity. Plus you can charge/discharge them at a high rate. If I understand the original post, he's adding an extra 270 amp alternator - if that's true, he can pull the battery bank way down and then recharge by driving around for somewhat more than an hour. That's a lot of gain.
Very close 31 pounds
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Old 07-12-2016, 03:05 PM   #7
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Default Re: Lithium battery install

325 AH of usable capacity in Fullriver AGM batteries would weigh 426 lbs. 426 minus 124 equals 302 pounds saved. Now what is the typical cost of the lithiums? Up to $1800 for the Fullrivers, and then one would have to find the room for them (I guess Gamma1966 did).
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Old 07-12-2016, 06:12 PM   #8
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Default Re: Lithium battery install

Eugene - that looks like a great project. I join those waiting to hear more on how it goes together. How do you plan to deal with freezing temps impacting charging ability?
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Old 07-12-2016, 07:22 PM   #9
Eugene Rider
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Default Re: Lithium battery install

Quote:
Originally Posted by jackfish View Post
325 AH of usable capacity in Fullriver AGM batteries would weigh 426 lbs. 426 minus 124 equals 302 pounds saved. Now what is the typical cost of the lithiums? Up to $1800 for the Fullrivers, and then one would have to find the room for them (I guess Gamma1966 did).
These are $980 per battery, so $3940. I'm spending the money that I saved on not having a generator. With 3 more solar panels for a total of 5, the 270 amp alternator and all the goodies, I'm going to be pushing $12k. But, it's a hobby so it priceless.
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Old 07-12-2016, 07:30 PM   #10
Eugene Rider
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Default Re: Lithium battery install

Quote:
Originally Posted by jackfish View Post
325 AH of usable capacity in Fullriver AGM batteries would weigh 426 lbs. 426 minus 124 equals 302 pounds saved. Now what is the typical cost of the lithiums? Up to $1800 for the Fullrivers, and then one would have to find the room for them (I guess Gamma1966 did).
These are $980 per battery, so $3940. I'm spending the money that I saved on not having a generator. With 3 more solar panels for a total of 5, the 270 amp alternator and all the goodies, I'm going to be pushing $12k. But, it's a hobby so it priceless.
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