Spaceships series: Electrical Batteries module?

[Anthony]

Originally Posted by Flyndaran

I can live with that. TL8 anything is going to be painfully inefficient.

For clarity, by reasonable, I mean 'reasonable at TL 9'. TL8 space-rated power plants have fairly horrible performance.

Incidentally, 50 kW/ton is 100 horsepower on a 3,000 lb car; a modern car is likely to have 2 ep, a sports car will be 3-4.