Button cell battery

Button cell batteries for watches, calculators, and small devices

Button cell batteries are essential power sources that provide reliable energy to your everyday devices such as watches, calculators, and car keys. These compact power units ensure that your small electronics work smoothly for many years.

What are button cell batteries

Button cell batteries are small, round batteries that supply vital energy for watches, calculators, car keys, and hearing aids. They come in various sizes such as CR2032, LR44, and SR626SW. There are two main types: lithium batteries (CR series) and alkaline variants (LR series), each with specific benefits for different uses in smart electronics.

Lifespan and performance

Lithium button cell batteries last 3-10 years in watches, while alkaline variants last 1-3 years. Temperature greatly affects performance: extreme cold or heat significantly shortens the lifespan. Unused batteries remain good for 5-10 years with proper storage at room temperature. For more information about batteries, you can consult our detailed guide.

Recognizing an empty battery

Various signs indicate an empty battery: your clock runs slow, the display dims, or the device responds slowly. In hearing aids, the sound becomes weaker or distorted. Watch for these warning signs to replace in time.

Safe replacement and use

When replacing, pay attention to the correct size indicated on the old battery. Insert the plus and minus poles correctly and keep new batteries dry at room temperature. Keep batteries away from children due to choking and poisoning hazards.

Environmentally friendly disposal

Take empty button cell batteries to collection points in supermarkets, electronics stores, or municipal recycling centers. These batteries contain heavy metals harmful to the environment and therefore require special waste processing.

At Nedis, we find the right button cell battery for your specific device, so you achieve optimal performance and maximum lifespan.