Best Battery for Volkswagen Golf

I think we have an Optima in our Mk1 diesel.

clean battery post and wires reconnect them and ensure they aRe tight get the voltage tested for free at these automotive stores. 12v when not running, 14v when car is running.

I bought a Bosch 48-700B from Pep Boys. The guy that helped me knew a lot about batteries and looked up the right one in the computer without any problem.