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Products specifying alkaline batteries

Discussion in 'Electronic Repair' started by BE, Oct 11, 2006.

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  1. Eeyore

    Eeyore Guest

    Because they like fat profits ?

    Buy the chaep ones instead. I did and it is actually 9V.

    Graham
     
  2. Because upping the number of cells within the same package may not result
    in any real benefits. Indeed, apart from increasing the cost, it may end
    up with a lower capacity. It depends on how sensitive the device is to
    voltages at the lower end of what an alkaline cell produces.
     
  3. If you're talking Ni-Cads or NiMH, it's unlikely to be a 8 cell PP3 if
    cheap.

    The initial open circuit voltage of a Ni-Cad is pretty irrelevant. After a
    short time under load it will settle at 1.2v per cell and stay there for
    most of the usable range. Alkalines are dying from the second they're
    used. ;-)
     
  4. Meat Plow

    Meat Plow Guest

    I'm a ham and what's important to me is that the current in rechargables
    remains constant until the end of the charge. It's important in power
    hungry portable ham radio gear to have that constant current until it's
    time to recharge.
     
  5. pebe

    pebe Guest

    Coming back to the original posting, the manufacturer was probabl
    suggesting the use of alkaline batteries is preferred - as agains
    carbon zinc types with their inherently poor shelf life and leakin
    electrolyte
     
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