Μπαταρίες

Batteries are devices that store chemical energy and convert it into electrical energy. They consist of one or more electrochemical cells, which contain materials that react to produce a flow of electrons.

Batteries come in various shapes, sizes, and chemistries, each with its own specific characteristics. Some common types of batteries include:

Alkaline batteries: These are the most common type of battery, offering a good balance of performance and cost.
Lithium-ion batteries: These rechargeable batteries offer high energy density and are widely used in portable electronics like smartphones and laptops.
Lead-acid batteries: These are used in cars, trucks, and other vehicles to start the engine.
Nickel-cadmium (Ni-Cd) batteries: These rechargeable batteries are durable and have a long lifespan but are being phased out due to environmental concerns.
Nickel-metal hydride (Ni-MH) batteries: These rechargeable batteries offer higher energy density and longer life than Ni-Cd batteries.

Batteries are essential components of many electronic devices, powering everything from watches to electric vehicles.