Issues when moving to all electric towcars

There needs to be a radical rethink by vehicle makers ,to enable standard type and fitting of Batts to EVs,and all standard power and sizes for every vehicle

at this time it seems every vehicle has it own type/size of battery depending on what the vehicle is used for

What will happen to all the dead acid filled batteries I ask, when all cars and vans go electric?.

Batteries will be disposed of in the same way as now as will whole cars when they reach the end of their lives. No change really.

You could always put your ideas forward to the R&D at Tesla JVB. 

Not for me to look at Tesla ,as i was if you noted? replying to Mr H who has stated a batt exchange system? to save on the  additional time needed at this time to complete journies in an EV compared to ICE vehicles

The battery exchange idea was trued by Renault on the BEV Influence, i am sure we are all aware what a stunning commercial success that has been and how it influenced....  other car makers to adopt the idea. It is utterly bonkers, like saying all ICE cars should have the same engine. Shows a complete lack of understanding of technology, commercial enterprise and the benefits of competition. Even communist China doesn’t promote that. 

You obviously haven't had to shell out for a replacement rear light recently have you? A multiplicity of different styling designs for a bit of 50p plastic that usually costs £20-30. Interchangeability? I don't see it happening.

Alko, Dethleffs and an Australian company has already demonstrated electrically assisted caravan chassis.

I think if there's a a demand and the price / performance an ecaravan stacks up we may see them. Of course this would be a new type of powered vehicle so new type approval and road traffic legislation may be needed making it more complex and expensive for manufacturers.

The key factor will be if battery energy density increases at a sufficient rate. Around 3 times current density  would give a towcar range performance comparable to ice vehicles. There's a lot of research efforts going into this so there's probably improvement to come (trends below)  If this is achieved caravan design could carry on as is which is why there are only demo ecaravans so far.

https://www.alko-tech.com/uk/next-generation-trailer-platform

https://newatlas.com/dethleffs-electric-coco-caravan/56056/

https://www.gorv.com.au/world-first-hybrid-drive-caravan-system/

Interesting article here, if anyone is interested.....

https://cleantechnica.com/2021/03/12/audi-e-tron-tesla-model-3-towing-large-small-caravan/

David

 Interesting test. Looks like the range of both cars is around 120-130 miles albeit on a flat road. Which kind of confirms that the batteries need 3x nominal capacity to match ICE range on realistic terrains.

Battery capacity has tripled in the last 12 years or so, same again and no need for electrically assisted caravans.