If your car or 4WD battery isn't a maintenancefree variety you'll need to top it up with water from time to time. But how much water should it have in there anyway??? Chances are you didn't check it when you bought it, and if you did you probably forgot! Well I captured the brand new level on camera to help you out!

In this video we see how to find the correct battery electrolyte level, how far it'd dropped in this battery, and the simple tools you need to top it up to the right level in this five minute task.