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This article is part of an archived collection from Nikolay Shishkov's blog about first-generation electric vehicles, battery maintenance, modifications, and repairs. Nikolay was an EV pioneer who passed away in 2025. His technical knowledge and generous sharing of information continues to help the EV community.

Think A306 Battery Box

By Nikolay Shishkov • July 09, 2018

batterynissan leafThink A306Zebra battery

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.

YouTube Video

https://www.youtube.com/watch?v=3mUdZg8u6os

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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