Ƙarfin wutar lantarki yana da halaye na ƙananan ƙararrawa, babban inganci, aikin barga da babban aminci.Wutar lantarki yana da shigarwar ƙarancin wutar lantarki, iyakancewar fitarwa na yanzu, gajeriyar da'ira da sauransu.Da'irar daidaitawa ta aiki tare tana inganta ingantaccen ƙarfin wutar lantarki kuma tana adana yawan kuzari.Wutar lantarki shine shigarwar wutar lantarki mai faɗi, faɗin zafin yanayi, tare da ƙarfida'ira gyara factor, kuma yana da fadi da kewayon aikace-aikace.