É o Snowball - e você não estava errado sobre a bateria. Veja o seguinte da esposa do personagem central.
"The first thing you do, my boy, is make a replacement for that so-called battery in our car. I’m tired of having the clunk die in the middle of traffic".
E da geração mais jovem
Colquhoun’s eldest son Robert dropped over to find Arch tinkering with his rickety ’48 Chevrolet. “Dad says you’ve got a new kind of battery” - - I’d like to buy a big piece of the stuff from you - - To run my hot rod off it” said Rob from the lofty eminence of sixteen years.- - [Rob] also discovered, more or less clandestinely, that such a car would go up to 200mph on the straightaway.
Isso foi até que seu pai confiscou isso.