My car battery and my tractor battery say the case is made of Polypropylene.
Cells in a normal car 12v battery are composed of lead and sulfuric acid.
a car battery is made of a plastic casing, lead plates and a sulfuric acid/water mixture
the headlights are made from plastic
Today the outer bumper shell is made of plastic. The inner bumper is made of steel or alluminum.
Wood will not accept any kind of electrical charge.
Lead, plastic, sulphuric acid, water,
Lead acid, wet cell.
Most battery terminals are made of lead.
The energy stored in a car battery, or other cells or batteries, is chemical energy.
The positive side of a car battery is red - look for red plastic cap or the "+" symbol on the plastic next to it. Also the positive post is slightly larger than the negative post.
Nylon cannot be made into car battery because it is not resistant to the acid in the car battery.
Plastic.