What's the difference between 32700 and 32650 battery?

Hello all,

Im in the process of rebuilding my Aims 12v 100ah battery that failed a few weeks ago. I noticed the most of the batteries in it are labeled as . I also noticed some that were . What is the difference in these two batteries? I was a bit surprised to see that.
I was able to buy a new battery case and a 12v 100 ah BMS. Using #6 wire I reconnected the BMS to the battery and to the terminals.
I hooked it all up, connected the watt pure sine inverter and plugged in the heat gun. I ran it for about 20-30 minutes. It was peaking at 110 amps. It seems to be working great. The BMS was barely warm to touch. It also charges at over 30 amps now. This battery never did this before it failed.
Im going to add a desiccant pack this time and do the best I can to seal it up so it doesn’t breathe. Hopefully this time it won’t fail due to condensation shorting out the BMS.

Don.

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That relates to the format of the cell. is the cell format Tesla developed to use instead of the cells.
21 = width of cell in mm, 700 = length of cell in mm. These formats are typically NMC / NCA Lithium ION. Recently, some companies have started producing LFP cells which now just adds to the confusion. Of course other chemistries are also looking at various formats to meet specific needs, so variants will continue to appear.

Hello. I am in the planning phase of building my first efoil, and I need some help deciding on battery pack.

Xiaolu supply professional and honest service.

I’m considering buying 50 pcs Lii-70A LiFePO4 cells and build a 16S3P pack myself. The cells a rated at 30A continuously and this guy tested then with a full discharge at 30A in free air. I am not sure if this corresponds to 80-100A continuously (limited by VESC) when enclosed in a waterproof pack. The total energy corresponds to 1.5kWh.

My build will also consist of a Flipsky motor(not sure about the kv, and propeller yet) and VESC

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The company is the world’s best Lithium-ion battery cells supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Will this be enough power to push me out of the water to get foiling? (I’m 72kg + equipment)
How long ride time can I expect from a pack this size? (I know there are many factors to this )
Should I worry about overheating the nickel strips connecting the batteries?

Thanks
Quist

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