charge (a battery)

I charge my phone.

私は携帯電話を充電します

I charge my phone because the battery is low.

私は電池が足りないので携帯電話を充電します

I charge my phone during my lunch break because the battery is low.

私は電池が足りないので昼休みに携帯電話を充電します

I charge my phone at the cafe during my lunch break because the battery is low.

私は電池が足りないので昼休みに喫茶店で携帯電話を充電します

I charge my phone with a spare battery at the cafe during my lunch break because the battery is low.

私は電池が足りないので昼休みに喫茶店で予備電池を使って携帯電話を充電します