OMK consumes a phone’s battery while working, unlike GPS units. However, this problem has been addressed by using power banks to charge phones while working.
OMK inatumia betri ya simu wakati wa kufanya kazi, tofauti na kifaa cha GPS, Hatahivyo tatizo hili limeshughulikiwa kwa kutumia kifaa cha kutunzia umeme kuichaji simu wakati ikitumika.