eledille
TMS 85 owner :)
If so, the regen can be more effecient if a 20 kw charger is onboard - potentially giving a longer range....I don't know, maybe others know how roadster handle this
Neither the roadster nor Model S uses the regen to charge from the grid, so additional chargers will have no effect on the regen.
It can be done, though, the regen is essentially a three phase battery charger. Renault has built one (75 A, 400 V, 52 kW).
bolosky: Perfectly right, the Roadster has a three phase charger handing regen which is twice as powerful as the single phase charger used for recharging. As dpeilow says, continuous charging would require more cooling, which might be a problem in the air-cooled Roadster. If the regen is liquid cooled, this should not be too hard to do. A small ICE produces more heat when idling than a 50 kW three phase charger does at full power.
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