I wasn't sure, but I also thought it would work ... if I had seen the post, I would have tried it too ;-)
the only difference is, the new lower Holder partly made of metal and therefore more stable
https://www.emtbforums.com/community/threads/shimano-release-new-630wh-batteries.12054/page-5
to be honest, I didn't notice any difference ... I don't think 1kg more weight at the center will have a negative impact on driving behavior either and it seems to be only 0,64 kg more weight
The conversion was a bit tricky, because you have to loosen the engine mount (remove 4 screws and loosen 2 screws) in order to be able to pass the cable of the new bracket behind engine.
The engine screws are partially covered by the swing arm and the chainring, so you also have to remove the...
i have some good news,
the external 630Wh battery fits into the Spectral:ON without any problems.
I had to change the battery holder because the nose of the old holder was too big for the new battery.
The new bracket is now partly made of metal, this was probably necessary because the 630Wh...
have any of you already seen the new, 630Wh external battery?
Maybe it is possible to replace the battery holder (BM-E8016) so that the BT-E8016 fits into the Spectral: ON frame?
https://www.shimano-steps.com/e-bikes/europe/en/news/shimano-s-largest-e-bike-batteries-boost-riding-capacity...