Eneloop problem

I bought a container of eneloop battery's from a deal on here recently and was wondering if the D spacers should work with everything.
I have a robot vacuum and it has a lazer wall that runs off battery's and I tried it this morning and it does not turn on. If I hold the power button the Light comes on but when I let go it turns off. Should a AA battery be enough power for these or did i screw up somehow?

Comments

  • +1

    Eneloops (and all NiMH) put out 1.2v, zinc/carbon and alkaline one time use batteries start at 1.5v.
    Some applications are sensitive to the difference, others aren't.
    I find the lower voltage is a problem in devices that take a large number of batteries (e.g 6 or 8) where the 0.3v difference adds up.

  • Hmm.. the thing only takes 2 of them..

  • I have a cheap headtorch that will not work with eneloops or recyko. Only alkalines.
    It was a really cheap (not cheap enough) and nasty build-quality

  • Apart from the shape of batteries, c d and aa and aaa must have other differences, ie why would you build something that takes 6 d batteries when you could just pop a rectangular 9volt in it.

    I'm sure some tech-buff will know the answer.

    • D cell batteries have a higher charge due to their size, so they last longer.

  • Yeah I expected them to run out quicker but thought that it would at least work. Waste of $50.. oh well back to the drawing board.

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