Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.
Make sure you measure the correct way: connect the poles to their corresponding measuring ends.
This is a vibration noise which occurs when electric current flows through a transformer or a winding wire inside a component part. However, the charger may still be used without any concern as there is no need to worry from a safety point of view.
The capacity of batteries is indicated as XXXX mAh (milliampere/hour). If you insert this battery into an appliance which consumes 100 milliampere current continuously, the operating time of the appliance will be around 20 hours mathematically.
As new energy flows into your battery, some heat is perfectly fine. If you notice the battery or charger becomes too hot to touch, cease the charging process immediately.
Lithium batteries can give off a strong energy surge after a long period of low discharge, making them ideal for fire alarms.
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.
Batteries are classified according to IEC classification standards: LR03 is equal to AAA, but in another standard.
The revised RoHS (Reduction of Hazardous Substances) Directive 2011/65/EU...
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.
Panasonic hearing aid batteries, or zinc air batteries, react with air. As soon as you pull off the seal, the battery will be able to release energy. Be sure to let the battery breathe for a few minutes before inserting it into your device.

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