It's under the rear seat, behind the passenger.
12 volt
Group size, 42.
1967 and later models have 12-volt systems (12-volt battery) !!
No.
On my 71 beetle the battery is located under the backseat.
what is the cost to replace a battery in a volkswagen beetle 2002
What year of beetle that make's a difference.
First unhook the battery. Then put the key in (you need it!) and turn it to "on." Remove the steering wheel and the ignition switch just slides out.
It's under the back seat on the passenger side. Make sure the terminals are covered before you put the seat bottom back in the car--if the seat springs hit the battery's terminals, you will be very sad.
Should be a 12 volt battery.
A "Group 42" battery
165R15.