What is the Difference Between NiMH and Older NiCad Rechargeable Batteries? Rechargeable Batteries FAQ from Energizer.com

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Energizer_® Rechargeable Batteries and Chargers: FAQ Answer

Question:

What is the difference between NiMH and older NiCd rechargeable batteries?

Answer:

Both types of batteries are rechargeable, but NiMH (nickel metal hydride) batteries have a higher energy density and can provide up to 4 times the performance service of older NiCd (nickel cadmium) batteries for each charge.

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