Finish the following sentence with the best choice: How to use a power bank

Choices:
- Keep the power bank well charged. Insert a cord between the power strip and phone. Do not overcharge either device
- Keep the power bank well charged. Insert a cord between the power bank and phone. Do not overcharge either device.

Answer:
Keep the power bank well charged. Insert a cord between the power bank and phone. Do not overcharge either device.