Mai raba baturi na fiberglass shine rabuwa tsakanin jikin baturi da electrolyte, wanda galibi ke taka rawa na keɓewa, haɓakawa da ƙara ƙarfin injin baturin. Mai raba baturi ba zai iya inganta aikin baturi kawai ba, har ma ya inganta aikin baturin, don tabbatar da tsayayyen aikin baturi. Rarraba abu ne yafi fiberglass, kauri ne kullum 0.18mm zuwa 0.25mm. Mai raba baturi na fiberglass a matsayin babban ɓangaren baturin, yana taka muhimmiyar rawa a cikin baturin. Nau'o'in masu raba baturi daban-daban suna da nasu amfani da rashin amfani kuma sun dace da yanayin aikace-aikacen daban-daban. Zaɓin kayan raba baturi na fiberglass daidai ba kawai yana inganta aikin baturi ba, har ma yana rage yiwuwar lalacewar baturi, don haka ƙara rayuwar sabis da amincin baturi.