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Have you seen these batteries
#11
The BMS probably sucked all the juice out of them over the time they were standing around.
Take out the cells and charge them VERY SLOWLY before testing them. You might be able to use them afterall. Although if the pack really was 3.3Ah then at 1100mAh original capacity each they arent exactly a very good for powerwall purposes.
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#12
Well, they seem to be somewhere between tested 1400 to 1500mah. Usually I get a lot of ebike packs and lots of them are 1500mah sony ones. They are in perfect condition but have low nominal capacity but i don’t mind. They go into my 80p packs.

I pay roughly 0,10 eur per cell from the telco packs which is fine for me and i will go for more of them

Best
Karl
completelycharged likes this post
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#13
(05-16-2018, 09:01 AM)Charly144 Wrote: Well, they seem to be somewhere between tested 1400 to 1500mah. Usually I get a lot of ebike packs and lots of them are 1500mah sony ones. They are in perfect condition but have low nominal capacity but i don’t mind. They go into my 80p packs.

I pay roughly 0,10 eur per cell from the telco packs which is fine for me and i will go for more of them

Best
Karl

Well you cant really complain about that :Big Grin
They will be super high drain cells, probably 20A ones
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#14
I will have to look for a large power consumer in my home to get them warm when having 200-300 cells in parallell...

Maybe i am going to heat my pond during night hours with 600 amps drain to keep my system warm :-)
The-J-Man likes this post
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#15
Hi, just registered to offer approximately 2p worth of info.
If that pack says 3.3Ah then yours should surely be 3300 /3  ( 3p ) = 1100.
Seems very low but then they could have a high C rate ?
Have you had a really good look with a magnifying glass, all the Sanyos I ever had were embossed (badly) with a model no.
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#16
Yes, they are high drain sanyos! Ill take my magnifying glass out and look
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