A listing of some reference points.
Batteries have worse energy density than gasoline… but it’s not nothing. Here are some:
| Battery | Weight | Energy Content |
|---|---|---|
| AA | 26g | 0.0037kWh |
| 5 gallons of water, 30 feet up | 18871g | 0.00047kWh |
| 1 gallon of gasoline | 2722g | ~33.5kWh |