I think either one will suffice. What year /model etc is your electrical system? 1955 GMC lists 25 amp for base

VR failed on my Mustang and the battery was overcharged and exploded when I started it up one day.

Last edited by Otto Skorzeny; 06/04/2023 9:08 PM.
1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)