DFUn Umwuzure wa bateri-acide ikurikirana igisubizo gishyigikira igenzura rya 2v na 12V fla, bigatuma bikwiranye na sisitemu yamashanyarazi, ubwikorezi, hamwe ninganda za semiconductor. Sisitemu itanga uburyo bwo gukurikirana amazi, kubamenyesha mugihe urwego rwamazi ruguye munsi yurwego rusanzwe. Byongeye kandi, mugihe habaye umwanya wa bateri, bihita byohereza ubutumwa hanyuma ugashyiraho urubuga.