12 volt battery for A7

[Steve Jones]

Neither the Chummy or the Ulster have standard A7 battery boxes but a friend has one of these batteries in his trials car and that fits (just) into the battery box in his car. Both my cars have fully re-built dynamos with rewound 12v field coils and armatures. Whilst the cranking capacity of all the above batteries is on the low side, this is offset by them cranking via a 6v starter motor. Neither car does much, if any, night driving but the Chummy has sometimes been driven for distances with the lights on in murky winter trials weather without issue.

Steve