The band of musicians who play music in the roda.

The percussion band of a Samba School. It plays pure samba and does not have any wind instruments. [batareeya] In the UK, the term is sometimes mistakenly used to describe almost any type of percussion band playing Brazilian music. But if you are a samba percussion band which is not part of a samba school, then you are not a bateria, you are a 'Banda' or 'Grupo'.

the percussion section of a escolha do samba (samba school)

The percussion group that plays samba for a samba school.

(bah teh ree ahh) is the Portuguese and Spanish word for battery, a collection of cells. It refers to both the common electrical device as well as a collection of drums. Bateria means both the drum set played by one person as well as the drum ensemble containing many players.

A bateria (Portuguese for "drums") is a Brazilian musical group, the percussion band of a Samba School. Outside Brazil, the term "bateria" is also sometimes used loosely to mean any musical ensemble that plays samba.