chargepack
nounUK /ˈtʃɑːdʒpæk/
US /ˈtʃɑːrdʒpæk/
A chargepack is a small bag of power that you use to fill up a battery.
He plugged the chargepack into his phone so it would not run out of power.
RELATED WORDS
OTHER MEANINGS
2. A pack of explosive charges used together.
The workers set the chargepack carefully before the blast.
3. A kit holding several charges for a tool or weapon.
The soldier reloaded his chargepack before the drill.
4. A bundle of energy cells for a machine.
The robot's chargepack needed replacing after a long day.