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Hi from Ireland
#1
Dar here, from kildare Ireland, running small 100 watt panel, MPPT 20amp, with 2kw of cells Li ion, and 2kw in 4 car batteries. Will be getting 400w of solar soon and will need to finish the battery packs for that. System is mainly used as backup for freezers. Will be moving in 2022 and will get 10kw solar and 30kw of storage. New car will be electric in 2022.
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#2
Welcome to the addiction soon you will be thinking "I bet that battery has 18650's in it wonder if they will let me have it" and designing batteries in day dream/when you sleep. etc

Later floyd
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#3
(08-16-2020, 12:57 AM)floydR Wrote: Welcome to the addiction soon you will be thinking "I bet that battery has 18650's in it wonder if they will let me have it" and designing batteries in day dream/when you sleep. etc

Later floyd
So true, thanks for the welcome. I spent yesterday resleeving 160 cells and new insulator rings, I feel like how Pete looked in the video where he chats to camera while his hands are doing their own thing breaking apart laptop batteries.

I still do not know if I want to solder or spot weld or something else. How have you guys managed to get up to 4,000+ cells without going fkin insane
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#4
(08-16-2020, 12:07 PM)daarmcd Wrote: I still do not know if I want to solder or spot weld or something else. How have you guys managed to get up to 4,000+ cells without going fkin insane
A 100 cells is no big deal, but 1,000(s) is REAL WORK.   Some setup charging stations to do 20 or 50 or 100 cells at a time - which makes sense to me - e.g. trade some $ to shorten the time or you'll never get done Smile

For me,  I just keep processing 12 cells a day...  day in and day out on 3 x OPUSs...   over several years.   Building packs as I go.   When I get 14 of them I add them to the battery bank.   Its a background task that keeps my hands busy while listening to computer news.    Also, doing it over time spreads out the cost.    But it pays off - getting close to 10,000 cells now.    (OK, really - its just that I'm addicted and there are no 18650 meetings anywhere I can find)   Smile 
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#5
(08-16-2020, 02:59 PM)OffGridInTheCity Wrote:
(08-16-2020, 12:07 PM)daarmcd Wrote: I still do not know if I want to solder or spot weld or something else. How have you guys managed to get up to 4,000+ cells without going fkin insane
A 100 cells is no big deal, but 1,000(s) is REAL WORK.   Some setup charging stations to do 20 or 50 or 100 cells at a time - which makes sense to me - e.g. trade some $ to shorten the time or you'll never get done Smile

For me,  I just keep processing 12 cells a day...  day in and day out on 3 x OPUSs...   over several years.   Building packs as I go.   When I get 14 of them I add them to the battery bank.   Its a background task that keeps my hands busy while listening to computer news.    Also, doing it over time spreads out the cost.    But it pays off - getting close to 10,000 cells now.    (OK, really - its just that I'm addicted and there are no 18650 meetings anywhere I can find)   Smile 

80kwh of storage and 10,000 cells

Just cannot get my head around that
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#6
Imagine mine then with 29 000 18650 cells in total Wink
NOTE! My links supplied in this message may be affiliated with Ebay and by clicking on them you agree on the terms.
YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 100kWh LiFePo4 | 20kWh 14s 18650 |  66*260W Poly | ABB S3 and S5 Trip breakers
Upcoming: 14S 18650~30kWh
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#7
@Daromer's example is one of my inspirations!   Can you ever get enough 18650 cells?   https://youtu.be/XMcFLETxy-o
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