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Is it safe to switch between NiMH and alkaline batteries?

Discussion in 'Power Electronics' started by Jane C, Jul 11, 2019.

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  1. Jane C

    Jane C

    Jul 2, 2019
    I use my battery-powered laser level with rechargeable NiMH batteries. But when I need the device but haven’t the time to recharge, I opt to use alkaline batteries. I know that this is generally okay for most devices, but has anyone here had any bad experience in doing this?
  2. dave9


    Mar 5, 2017
    No bad experiences. IMO, devices designed to take AA format are made with the assumption that people will potentially be putting 1.5V alkalines in them.

    What I would do is buy some LSD (low self discharge) NiMH, at least one backup set, then they're ready when you need them and have a while to recharge the drained set of cells when convenient.
  3. Audioguru


    Sep 24, 2016
    Name Brand Ni-MH batteries made in the last 5 years have Eneloop chemistry that holds a charge for one year.
    Older or cheap Chinese batteries are too old to hold a charge.

    Name Brand alkaline batteries hold a charge for 10 years.
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