Circuitmess Wacky Robot Robby Instructions Manual page 16

Today, many types of batteries are available, each with unique
properties and applications. The most common types of
batteries are alkaline batteries, which are used in a wide range
of products, from toys to remote controls and flashlights.
Lithium-ion batteries are another popular type of
battery known for their high energy density and
long lifespan. These batteries are commonly used
in smartphones, laptops, and electric vehicles.