What is Maintenance Free (MF) Battery

30 years ago, batteries lost water at a high rate, and motorists were advised to check the acid level as one of their weekly checks.

The latest improvement has been the use of 0.1 per cent of calcium as a hardening agent in grids; this causes less contamination of the acid and much reduced water loss, making the battery maintenance-free so no water needs to be added during its operational life.

Advantage of maintenance free battery eliminates the need to add water and minimizes corrosion in the battery terminal posts.

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