· Nchaji UPS nke na-anaghị akwụsị akwụsị, nkwado mberede, na-akwado ịchaji mgbe ị na-agbapụta. · Nchaji ọhụrụ nke nwere ike abụọ, nke a na-achaji nke ọma n'ime awa abụọ, nke nwere ike isi, nke a na-achaji nke ọma n'ime awa anọ site na ike anyanwụ. · Nha dị obere, ihe ndị dị n'ime ya bara ụba, nwere ọkụ dị n'èzí, na-akwado ịchaji na AC na panel anyanwụ.