DFPA  409.6 / 512  ndi njira yosungiramo batri ya UPS, yomwe ili ndi ubwino wa chitetezo ndi kudalirika, moyo wautali wautumiki, phazi laling'ono, ndi ntchito yosavuta ndi kukonza. Imatengera batire ya lithiamu iron phosphate, batire yotetezeka kwambiri pakati pa mabatire a lithiamu. Zoyenera kumagetsi a 20-200KVA UPS, monga mabungwe azachuma, zoyendera, zaumoyo, ndi malo ang'onoang'ono a data, kuphatikiza ma telecom base station, mayendedwe, ndi malo apakati a data.