Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.
Always insert batteries with the poles in the correct direction. Not doing so will lead to a short circuit.
If service time has reduced to half of its initial capacity or if charging time never seems to complete, it’s probably time to replace the battery.
Yes. All batteries have an expiration date, beyond which their performance decreases.
A hot battery could have several causes: from wrong storage to short circuiting. Some warmth is okay but keep an eye out for unusual heat.
Do not throw batteries in the trash. You can recycle every battery type you use - even unusable rechargeable batteries. Recycling points and regulations are different in every country.
Lithium batteries can give off a strong energy surge after a long period of low discharge, making them ideal for fire alarms.
The revised RoHS (Reduction of Hazardous Substances) Directive 2011/65/EU...
A battery is a chemical product which produces electricity by chemical reactions at its inside. These reactions and its inside materials do deteriorate over time. If you start using it within that period, the battery will operate normally and maintain the specified performance.
In appliances without a charging function, yes. In appliances that do have a charging function, be sure to check whether the function was specifically designed for Ni-MH. If not, it’s best not to use Ni-MH batteries.
Mixed use or leaving the battery in the appliance can cause battery leakage.