Isbell was mayor of Pasadena from 1981-1985 and from 1993-2001 when he reached term limits. He was returned to the mayor's office in January, 2008 for an unexpired term and subsequently was re-elected to a full term in May, 2009.
These are nicads though, probably your gold cart is lead acid. If you find a good cheap local source of deep cycle 6 volt batteries, let me know. I'd say 7 years is a pretty good run for golf cart batteries, esp. if you ran them down several times. You'll do even better if you top them off at 80% or more.
Electric Golf Carts: An electric golf cart will have either 4, 6 or 8 golf cart batteries and will have either a 36 volt or 48 volt electrical drive system. How to Determine Golf Cart Voltage (36V or 48V): 1) Lift up your golf cart seat to locate the battery compartment. 2) Count the number of holes on a battery. Usually 3, 4 or 6 holes.