[rdgrimes]

Battery packs are bought and sold on eBay, so that's your source for values. Most of the rest should be found in a service manual.

 

[rdgrimes]

The Rav4 battery is NiMH. Also don't forget the rear motor is rated for 75HP.

 

[rdgrimes]

It would be entertaining to watch the inverter and motors all go up in a fountain of sparks and flames.
If you want a plug-in hybrid then that's probably what you should buy. This ain't it.