A.I. Explanation:

Option 1: "It is smaller in size but has a shorter lifespan."

Explanation: This option is incorrect because the text states that the new battery lasts twice as long as traditional lithium-ion batteries, contradicting the claim of a shorter lifespan. Additionally, the text does not mention the size of the battery, making this option unsupported.

Option 2: "It charges devices more slowly but is more environmentally friendly."

Explanation: This option is incorrect as it contradicts the text, which clearly states that the new battery can charge devices three times faster than traditional models. While it is true that the new battery is more environmentally friendly, the incorrect claim about charging speed makes this option invalid.

Option 3: "It can charge devices faster and has a longer lifespan."

Explanation: This option is correct because the text explicitly states that the new battery charges devices three times faster and lasts twice as long as traditional lithium-ion batteries. This aligns perfectly with the main idea of the text, highlighting the efficiency and longevity of the new battery.

Option 4: "It uses the same materials but in a more efficient manner."

Explanation: This option is incorrect because the text indicates that the new battery is made from a novel composite material that is different from traditional materials. Therefore, the claim that it uses the same materials is false, making this option unsupported.