Topping Up Batteries
Battery top up water
Battery top up water is one of the main applications Deionised Water is used for. Lead acid batteries use Deionised water to conduct electricity, normal water does not conduct electricity as well as deionised water. Purified water lasts longer and conducts better because it has had the mineral ions removed making it purified water,
Distilled water is also commonly used on lead acid batteries as this is also a form of purified water, the trouble with distilled water is that the way it is produced, distilled water is produced by distillation. To distil general water it is heated in until water vapour appears, this vapour is then collected in a vessel, cooled and condensed. As the vapour condenses it returns to liquid which is known as Distilled Water, this process if very time consuming making distilled water a much more costly way to produce purified water.
Deionised water is used instead of distilled water because it is a much cheaper alternative, deionised water is produced by filtering general water ‘tap water’ through special filters called porous beds of ion exchange resin, these porous beds filter out the mineral ions of the water making it pure, this process for producing deionised water is much less time consuming the distilled water making deionised water a much more cost effective solution for battery top up water.
It is important to check with your water supplier if you are currently using distilled water to find out if you can use deionised water as an alternative purified water, in most cases we are aware deionised water can be used because it is a form purified water like distilled water, always remember deionised water is nearly half the price of distilled water this is why it is a favourite type of purified water.
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