power pack (noun)

1. In the science fiction film, the protagonist activated the power pack to fuel his futuristic spaceship.

2. The love-struck couple went on a romantic picnic and brought a power pack to charge their electronic devices.

3. In the fantasy novel, the magical wizard used a power pack to convert the energy from the earth to power his spells.

4. The fashion-forward model carried a stylish power pack in her purse to charge her smartphone on the go.