To asses the possibility to replace a Think A306 Zebra battery with something else I took some measurement and ended up with this:

So the usable volume is about 30x92x69 cm.
The dimensions of Nissan Leaf cells I found online are 300mm x 222mm x 34mm.
And a "normal" Nissan Leaf pack has 48 of these.
So theoretically one can fit a Nissan Leaf pack in the space and have plenty of space for contactors, and other stuff.
Below is a drawing of two versions. One with the cells upright, and one with the cells on side.

Am I calculating this correctly?
Addition 2019-04-08:
- Battery from Renault Kangoo ZE - looks packed and ready for Think Box with 24 cell modules on each side, like the variation #2 in the drawing above.

Comments (2)
Smurftums
May 20, 2020 at 08:06 PM
It would fit 6 Tesla 5.3 Kw modules with a total Kw/h rating of 31.8 Kw/h and a pack voltage of 138 volts. If there was space for 8 modules (height of 316mm compared to 237mm) then it's a total of 42.4 Kw/h and a pack voltage of 184 volts.
Vegetish
July 10, 2018 at 11:30 AM
Very interested in updates about this. I am considering doing the same upgrade