Power-up

Power-ups are items that Samus Aran uses in every Metroid Game to gain new abilites and powers. In the Metroid Universe, there are many differant kinds of power-ups. There are power-ups for beams, suits, morphball modes and jumping abilites. Power-ups will usually give you an ability that you need to get to a new and explore that area.

Origin
Power-ups in most Metroid games are Chozo technology to expand the Power Suit and Power Beam. In Metroid Prime 2: Echoes, there are also Luminoth power-ups. In Metroid Prime: Hunters, there are beam power-ups that are of Amblic orgin and beam power-ups from the defeated hunters. In addition to these, there are also Galactic Federation power-ups. The best example of these are in Metroid Fusion. You get the power-ups from download stations that the GF will send to you to help you on your mission.