Latsa sauyawa na baya sau ɗaya don kunna wutar ƙarfi, danna ta sau uku don shigar da walƙiya, kuma danna shi sau huɗu ko riƙe shi don wutar lantarki.
A gefen gefen fitilar yana sanye da tashar cajin tashar-C. Yayin caji, kawai saka abin toshe toshe mai caja a cikin soket mai caja.
Cajin yana da na'urar kariya ta caji. Lokacin da ake kunna tashar shigar cajin caja kuma caja ba a saukar da shi ba, hasken nuni ya ja. Lokacin da aka saka toshe mai caja a cikin tashar caji na fitila, mai nuna alamun yana canzawa, yana nuna alamar caji na al'ada. Bayan an cika baturin sosai, hasken nuna alama ya juya kore.
Bayan an caje cikakken caji sau ɗaya, ana iya amfani dashi a kowane lokaci tsakanin shekara 1;
Idan ba a yi amfani da shi ba na dogon lokaci, sake cika tsawon awanni 4 kowane rabin shekara a matsayin mai tunani.