Filimka kululaynta batteriga ayaa ka dhigi kara batteriga korontadu inuu si caadi ah u shaqeeyo jawiga heerkulka hooseeya. Filimka kuleyliyaha batteriga awoodda ayaa ah isticmaalka saameynta electrothermal, taas oo ah, qalabka birta ah ee ku xiran walxaha dahaarka ah, ka dibna lagu daboolay lakab kale oo ah walxaha ilaalinta dusha sare ee lakabka birta, lakabka birta ayaa si adag loogu duubaa gudaha, sameynta xaashi dhuuban oo filim ah.