Questions & Answers about Moje nabíječka je v tašce vedle peněženky.
Because nabíječka is a feminine singular noun.
Czech possessive words like můj / moje / moje change depending on gender, number, and case. In the nominative singular, the forms are:
- můj for masculine
- moje for feminine
- moje for neuter
Since nabíječka is feminine, you use moje.