No. Do not use batteries in water or in vacuum conditions - this will cause them to rust and short-circuit.

Use batteries for their right purpose: insert them correctly, replace them when empty and store them high and dry.

Make sure you measure the correct way: connect the poles to their corresponding measuring ends.

This should be avoided at any time. When the battery has been in a washing machine, it is no longer fit to use. Please dispose of this battery.

Mixed use or leaving the battery in the appliance can cause battery leakage.

This is a guarantee that no mercury is added during production.

Immediately head to the nearest emergency room. Avoid drinking or eating before a doctor has provided a decent diagnosis.

Replace all batteries at the same time. Do not mix old and new batteries. Use batteries from the same brand, type and expiry date too.

Because there is a slight difference between manufacturers. Always use the previously used type of batteries which did fit in the compartment in case the batteries do not fit.

Typically for an alkaline battery is a gradually decreasing voltage when it discharges, which means that for some appliances, which need a high base voltage to operate, the appliance stops working even while the battery has still a bit of energy left.