Zaɓin mai dacewa da wutar lantarki ta UPS dole ne ya fara ƙayyade maki uku:

1. Wadanne kayan aiki kuke buƙatar amfani da su? Akwai mota a cikin kayan aiki?
2. Menene ƙarfin kayan aikin ku? Menene ƙarfin lantarki da ake buƙata don shigarwar V?
3. Har yaushe kuke buƙatar kashe wuta don madadin?

Bayan tabbatar da waɗannan maki uku, za ku iya duba kujerun bisa ga abubuwan da ke cikin maki uku.
1. Idan na’urar ta kasance kawai kwamfutoci na yau da kullun, sabar da sauran kayan aiki, to zaɓi ƙarfin wutar lantarki ta UPS daidai da sau 1.5 na jimlar waɗannan kayan aikin lodi.
Idan akwai inductive lodi kamar motors, compressors, ruwa famfo, kwandishan, lantarki kayan aiki, da dai sauransu., ikon UPS da ba za a iya katsewa da wutar lantarki da aka zaba bisa 5 sau jimlar ikon wadannan kaya kayan aiki.
2. Girman ƙarfin kayan aiki shine tushen ku don kimanta ƙarfin wutar lantarki na UPS. Zaɓi wutar lantarki ta UPS bisa ga yawancin da aka ambata a farkon batu.
An ƙera shi da ƙarfin lantarkin da ake buƙata, wato ƙarfin shigar da kayan aikin ku, tabbas za a sami 220VAC 380VAC 110VAC (akwai ƙasa da ƙasa a China).
3. Tsawon lokacin katsewar wutar lantarki da ake buƙata yana ƙayyade ko wutar lantarki ta UPS ta zaɓi na’ura mai mahimmanci (samfurin baturi) ko samfurin baturi na waje (na’ura mai tsawo).

Idan ba kwa buƙatar dogon lokacin ajiyewa don katsewar wutar lantarki, muddin kariyar katsewar wutar lantarki ya kasance ƴan mintuna kaɗan kuma akwai isasshen lokacin rufewa, sannan zaɓi na’ura mai ƙima,
Idan kana buƙatar ɗan gajeren lokacin ajiyar waje, to, zaɓi na’ura mai tsayi don haɗawa da babban ƙarfin ƙarfin batir UPS. Ƙididdigar ƙayyadaddun ƙididdiga na iya dogara ne akan wannan dabarar [(ƙarfin baturi * ƙarfin baturi * adadin batura) / ƙarfin nauyi] * factor factor = load Tsawon lokaci shine sa’o’i.