Which battery do I get?

D

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12AH 30Q cells is the lightest battery. It can give all the current you need. you should get a range of between 20 and 50 miles depending on how much power you use.
 

Jonah

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Thanks both. I want maximum range for a long trip. I’m planning on doing LEJOG so some days of 90 miles. Plan to use the Xiongda YTW-06 with max 13a controller so not huge power draw. Also want to keep weight to minimum. Thinking of 10SP5 - 17.2ah pack from ENERpower.
 

Nealh

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90 miles will still be a tall order from 17.2 ah on a normal bike unless you can do a lot of unpowered riding on flat routes or use very low assist quite a bit.
I managed 93 miles with a 15a controller but had 24ah of cheap Samsung cells, at the time the cells were brand new.

I have an inkling to try the 35E but it would be in 6 or 7P configuration as a soft cell build.
 
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Jonah

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I hope to do as much unpowered as possible, only using assist on the hills.
 

anotherkiwi

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Jonah

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Sounds good. I’m sure that 20700 or 21700 cells will soon be the go to cells of choice from what I’ve been reading.
 

anotherkiwi

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I calculated that they are only 2€ more than the 30Q for more than a third more Ah so money wise they make sense.
 

Nealh

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They are looking like a good option less cells = less weight even though a cell is a bit heavier. Less cells for more ah and a smaller pack as well. Mooch at e- cigs rates them as 16a cell.