build or buy?

OffGridInTheCity said:

You bet, personally, I wouldn't do it if I didn't find it interesting/fun.


Again, good plan in my experience. It's great to start of with a 1st, well defined battery, and you'll learn a lot the ins/outs and can decide on you're next move


In the US, the vendors I've used repeatedly for 2nd hand (and some have LifePo4)....
- Battery Hookup -
- Battery Clearing House -

and this year I did my first order from
- Jag35 -

All 3 are reputable in my opinion, BUT you have to read the descriptions carefully and if they don't offer specifics then you can't expect specific results.

Not pushing these - and I'm sure there are other sources - just sharing what I've used

It does take some time.You bet, personally, I wouldn't do it if I didn't find it interesting/fun.Again, good plan in my experience. It's great to start of with a 1st, well defined battery, and you'll learn a lot the ins/outs and can decide on you're next moveIn the US, the vendors I've used repeatedly for 2nd hand (and some have LifePo4)....- Battery Hookup - https://batteryhookup.com/ - Battery Clearing House - https://www.batteryclearinghouse.com/collections/all and this year I did my first order from- Jag35 - https://jag35.com/ All 3 are reputable in my opinion, BUT you have to read the descriptions carefully and if they don't offer specifics then you can't expect specific results.Not pushing these - and I'm sure there are other sources - just sharing what I've used

You can find more information on our web, so please take a look.

CH Tech supply professional and honest service.

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Thanks for your input. I'm going to stay away from the cells for the time being. Since the proposed battery will be living in the garage, and it gets damn cold in there in the winter, I think the best way to go is with the 100Ah (or higher) cells to get my toes wet. I completely understand that no matter the form factor, the cold garage will be an issue.

I've looked at some of the projects Jag35 had done, and it seems that he's always out of stock. I have to admit, and I'm NOT picking on him, but I don't like the way he runs high current (25A) though mounting standoffs. That's just me, I have to data to support my belief.

My current battery is a flood cell lead-acid with 880Ah of capacity. Derate at 50% discharge and I'm talking about 440Ah or about 23kW hours of capacity. If I go with lithium rack server batteries at 5.1kWh a pop, I'd need five at $ (or go cheap at $) and puts a dent into the checking account of $. Ouch!!

So that brings me back to giving a home-brew battery a shot. I'm going to start out small, and see how things go. I know the small capacity cells will be more expensive, but you have to learn to crawl before you can run a marathon.

Thanks for your input. I'm going to stay away from the cells for the time being. Since the proposed battery will be living in the garage, and it gets damn cold in there in the winter, I think the best way to go is with the 100Ah (or higher) cells to get my toes wet. I completely understand that no matter the form factor, the cold garage will be an issue.I've looked at some of the projects Jag35 had done, and it seems that he's always out of stock. I have to admit, and I'm NOT picking on him, but I don't like the way he runs high current (25A) though mounting standoffs. That's just me, I have to data to support my belief.My current battery is a flood cell lead-acid with 880Ah of capacity. Derate at 50% discharge and I'm talking about 440Ah or about 23kW hours of capacity. If I go with lithium rack server batteries at 5.1kWh a pop, I'd need five at $ (or go cheap at $) and puts a dent into the checking account of $. Ouch!!So that brings me back to giving a home-brew battery a shot. I'm going to start out small, and see how things go. I know the small capacity cells will be more expensive, but you have to learn to crawl before you can run a marathon.

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