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Thank you for the great forum, Safe Driving over the weekend. Sincerely Jason
tetrasection

Any interest in Lithium Titanate cells?

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These look awesome and extremely cheap when you take lifespan into consideration... On Alibaba they seem to go around 30usd a piece.

You would need a minimum string of 21 batteries to get to 48V which would give you about 2kwh. Cost for 21 batteries is approx. $630 = R9500 so about R4750.- per kwh (sure it would be a lot less if buying bulk from the manufacturer directly)

Lifespan makes up for it though, giving 25,000 cycles @ 100% DOD to reach 80% initial capacity!!!

In other words you could cycle these daily down to 0% and after 68 years you would still have 80% capacity left! That's insane!

 

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Edited by tetrasection

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Just saw on that spec sheet that the calendar life @25 degrees is 25 years... so much for my excitement over the battery that lasts for 70 years lol

Still looks like an amazing battery though and 25 years is still a flippin long time.

Edited by tetrasection
to finish sentence

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