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What is the main advantage of secondary batteries over primary batteries?

in Electrical Engineering

What is the main advantage of secondary batteries over primary batteries?

1 Answer

The main advantage of secondary batteries (rechargeable batteries) over primary batteries (non-rechargeable) is that secondary batteries can be recharged and used multiple times, while primary batteries can only be used once and then need to be disposed of.

This makes secondary batteries more cost-effective and environmentally friendly in the long run, as you don't have to keep buying new ones and can reuse them several times. Examples of secondary batteries include lithium-ion batteries (used in phones) and lead-acid batteries (used in cars), while primary batteries include alkaline batteries (used in remote controls).

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