1. Connected to a power source for charging

1. Energy stored in the battery

2. Fully depleted of power

3. Information about battery power

4. Process of replenishing battery power

5. Amount of charge remaining in the battery

6. Indication that battery power is low

7. No charge remaining in the battery

8. Device that requires a charged battery

9. Process of using up battery power

10. Rate at which battery power is being consumed

11. Gradual loss of battery charge

12. Visual representation of battery charge

13. Insufficient amount of battery power

14. Feature to conserve battery life

15. Approaching complete loss of battery power

15. Completely lose battery power

16. Basic unit of a battery

17. Symbol indicating battery status

18. Unit of electric potential difference

18. Electric potential difference in a battery

19. Duration of battery power

20. Requirement for a charged battery

21. Lacking sufficient power

22. Device used to measure battery charge