Drinking distilled water is better for your body than serious dehydration, and topping up your battery with drinking water is better than letting it run dry.
Bottled drinking water is carefully sanitised (no germs) but it contains lots of minerals which are beneficial to human health.
Can you safely drink distilled water used for battery top-ups, and can you use bottled drinking water to top up your battery? “Thirsty-for-knowledge”
If necessary, the two are interchangeable. In an emergency. Drinking distilled water is better for your body than serious dehydration, and topping up your battery with drinking water is better than letting it run dry.