Replace your battery as soon as your hearing aid no longer functions properly. If this happens unusually soon, consider checking if contact between the battery and the terminals inside is faulty.

Yes, Ni-MH rechargeable batteries can be used for (torch) lights with a wire filament.

Always remove batteries from devices you don’t use for longer periods, from devices connected to AC power and when batteries are empty.

Any minor difference in the batteries will cause either batteries to overcompensate and to deplete faster.

Battery performance greatly depends on the device and on the conditions.

Perhaps you are using a different battery type. Zinc carbon will perform otherwise compared to alkaline, for example.

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.

Battery performance greatly depends on the device and on the conditions.

Panasonic EVOLTA NEO is your best choice for high-drain devices. Thanks to more precise manufacturing, increased density and silver compounds, the battery will greatly outperform other batteries.

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