
File:Batteries.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as electric battery, electrical battery
assembly of one or more electrochemical cells, used to provide devices with stored electrical energy
A battery is a device that stores electrical energy in chemical form and releases it to power things like flashlights, phones, and toys. It matters because it lets us use electrical devices anywhere without being plugged into a wall outlet.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).