🔋 Battery emoji

What does the 🔋 Battery emoji mean

The meaning of this emoji is usually used as an electric battery, as used to power such devices as a flashlight. Generally depicted as an upright, green cylinder, as a D or AA cell, with white indicators for its negative and positive (facing up) terminals.
Battery commonly used for various content concerning electricity, power, charging, and energy, especially in figurative senses. Its green color also suggests the icon for battery power on a mobile phone.