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SESK: Stuff Everyone Should Know · sesk.info/ham-rechargeable-battery-chemistries

Which choice lists all three rechargeable battery chemistries?

NiMH, lithium-ion, and lead-acid.

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  1. Nickel-metal hydride
  2. NiMH, lithium-ion, and lead-acid ✔
  3. Lithium-ion

Why: Nickel-metal hydride, lithium-ion, and lead-acid batteries can all be recharged. Charging must match the battery chemistry.

Huh, didn't know that: A 12-volt lead-acid battery typically contains six cells.

The dad joke
Why did the battery go to the spa? It needed to recharge.
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References

Answer: NiMH, lithium-ion, and lead-acid. Nickel-metal hydride, lithium-ion, and lead-acid batteries can all be recharged. Charging must match the battery chemistry.

  1. NCVEC 2026-2030 Technician Question Pool, T6A10 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    Which of the following battery chemistries is rechargeable? A. Nickel-metal hydride B. Lithium-ion C. Lead-acid D. All these choices are correct
    Checked 2026-10-09.

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