Beginners Guide to Processing 18650 Cells | Cell Database


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Hello everyone
#11
Hello everyone
10€ for opus bt-c3100 on eBay
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#12
FAKE

so much FAKE. Most of those out are users with 1-10 reviews and will be closed a week later. Opus cost from 25USD and up
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#13
We will see......
I have ordered one.....crapp
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#14
Many have... None have recieved any yet Smile
How many reviews does the seller have? Did you check the review text from people?
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#15
My test equipment......

One liitokala is for cycling purposes....

also opus to determine ruff capacity....

Real capacity measurement is with SKYRC MC 3000 and is quite accurate..... [emoji106]

First 3 liitokala's are only for top charge the cells....

Last liitokala have first cycle
Second cycle is opus.

Liitokala is also for cells that have low voltage around 0.5v/cell that are changing with small current easy...

Cells that heat up are separated to cool down and tested again if they heat up again then are going to recycle bin also cells that are lower than 1000mah and cells that can not hold the voltage...         [Image: 0c0d4edf435232e5cb6fbcb204d6bde3.jpg]
wim likes this post
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#16
It is always cool to see a project moving forward...you have a nice setup Smile
___________________________________
18x 300Wp solar off grid and 10x 180Wp solar tracker grid-tie
10KW 3phase hybrid inverter. 25Kwh 18650 storage (for now)
My setup: http://www.diypowerwalls.com/t-Instant-powerwall
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