The disadvantages are many, Since using it would eventually break very fast since the battery is not prepared to hold that kind of intensive applications; that if you can turn on the PI with a mobile of 5V battery since batteries usually give less current of that brand on the label.
Hasara ni nyingi, Tangu kutumia inaweza hatimaye kuvunja haraka sana tangu betri hayuko tayari kufanya aina hiyo ya maombi ya kina; kwamba kama unaweza kurejea kwenye PI na simu ya mkononi ya betri 5V tangu betri kawaida kutoa sasa chini ya bidhaa hiyo katika studio ya.