It is twice as large. It contains more electrons. It stores more chemical energy. It destroys less energy when used.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A new battery claims that it "lasts twice as long as competing batteries under the same loading conditions." Which comparison of the battery with competing batteries would validate this claim?
Possibilities:
- It is twice as large.
- It contains more electrons.
- It stores more chemical energy.
- It destroys less energy when used.

It stores more chemical energy.