Old 10-19-2020, 11:28   #871
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Originally Posted by Sacamuelas View Post
I haven't found Lithium 12v prices anywhere close to Lead acid. Please post your source/business you are using for parts. I am very interested.

Also, I know you won't need as many amp hours with lithium compared to lead acid.... Are those 12v /50amp hour lithiums?
I wasn't replacing 12v batts. We had 24 2v deep-discharge batts. The 2v batts were Rolls Surrette 1300+ Ah and each was roughly $400 and 130#.

And, since we put in 4 new Simpliphi batteries I figured that they were 12v but they are each 48v. (My solar guy rattles off numbers like I actually speak his language.) Each is 75 Ah for a total of 300 Ah. They each weigh about 78 pounds. They cost about $2500 each. (The total replacement price doesn't look the same at first, but the labor to install 24 batts is a lot more than to install 4. )
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Old 10-19-2020, 11:58   #872
The Reaper
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24 lead acid batteries is a metric buttload of maintenance.

TR
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Old 10-19-2020, 12:06   #873
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24 lead acid batteries is a metric buttload of maintenance.

TR
That's why I replaced them early. In the summer I had to add water every week. And, because they were so tall, I had to wear a headlamp and use a turkey baster and mirror so I didn't under or over fill them. In the winter I only had to do that once a month. Four times a year I had to equalize them and that was dependent on the cloud coverage. And twice a year we'd have to go to the backup gennie so we could clean the terminals. All-in-all, it wasn't too bad but now I don't have to do any of that.
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