Top Up Car Battery With Distilled Water. Top up using distilled or demineralised water and never fill with sulphuric acid. When distilling alcohol you dont quite boil the water since alcohol evaporates at a lower temperature than boiling water but the principle is the same.

This water is sold by gallon jugs at most shops. Use distilled or otherwise purified water or a proprietary topping-up fluid. Steps to filling your car battery with water.
This water is sold by gallon jugs at most shops.
In this video I show how to top up a car battery with distilled waterLinksDistilled water. Your battery will have a total of 6 cells so you will need to add water to all 6 of them individually. The battery contains sulfuric acid so follow the correct safety procedures. Tap water has containments which build up in the battery like minerals which will build up over the battery plates clogging the pores.

