Wannan samfurin tsarin ajiyar makamashi ne na waje na kasuwanci.An ƙera shi ne don magance matsalar amfani da wutar lantarki na manyan na'urori masu ɗaukar nauyi a gidaje ko ofisoshi masu amfani da wutar lantarki mai yawa, kamar na'urorin sanyaya iska, fanfo na lantarki, firiji, girkin girki, girkin shinkafa, kettles, kwamfutocin tebur, na'urorin bugu da na'ura mai ba da hanya tsakanin hanyoyin sadarwa.