Low poly battery capsule sci fi Low-poly 3D model

energy cell - battery capsule - scince fiction - space weapon

Low poly with hard surface elements

Models which have fewer polygons are best used in real time applications that require fast processing, (VR), (AR), and games, especially mobile games.

all matrials ready in the game engines Unity or Unreal just import the fbx/3ds/obj/dxf file then export the matrials and textures then you can control the matrials which attached with certin object.