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Rechargeable Batteries

  1. Sep 17, 2005 #1

    What are the best and most cost effective rechargeable 'AA' and 'D' batteries on the internet in the United States? :confused:
     
  2. jcsd
  3. Sep 17, 2005 #2
    What is the best most cost effective vehicle sold in the world today? There is no such thing as the best in engineering. What you do is take your needs look and at your financial situation. You then determine the solution that fits your pocket book and gets you as close to your needs as possible. NiCad, NiMH, LiIon, lead acid, alkaline there are rechargeable batteries at different cost levels but they all have different performance levels. You need to figure out your own cost/benefit point and use that as your basis.

    Sorry I can't tell you which battery to buy.
     
  4. Sep 17, 2005 #3
    Critical Criterion...


    ok, which rechargeable battery class is the least likely to 'explode' during recharging? :uhh:
     
    Last edited: Sep 17, 2005
  5. Sep 17, 2005 #4

    Pengwuino

    User Avatar
    Gold Member

    uhmm... lead acid lol.

    Simply because ive never heard of any of the others EVER exploding with commercially available non-customized packs. (I know of Lithium-Ion and Lithium-Polymer exploding but they were custom packs using crude recharging methods.)

    Rechargable batteries are awesome. I use these radioshack 15 min. recharge batteries for my mouse. Sure they're like $4 a battery compared to $.50-$1 for the regular alkeline ones but I've used these batteries for a good year (whereas the normal batteries would run out every 2 weeks on my mouse... its cordless by the way).

    Lithium batteries are good because they hold a lot more power for their weight although they are more expensive (Radio controlled vehicle enthusiasts like them because of the high capacity/weight ratio).

    NiMH are great because they are cheap compared to lithium and are rechargable. Ni-CD aren't really worth it. They are SLIGHTLY cheaper but NiMH have a better capacity and don't have this "memory" problem Ni-CD supposedly have.
     
    Last edited: Sep 17, 2005
  6. Sep 17, 2005 #5
    Battery Critical...

    'battery explosion':
    http://en.wikipedia.org/wiki/Battery_explosion#Battery_explosion

    'reverse charging':
    http://en.wikipedia.org/wiki/Reverse_charging

    according to Wikipedia, order of improving energy per weight ratios :
    Gel battery
    Lead-acid battery
    Nickel-cadmium battery
    Nickel metal hydride battery
    Lithium ion battery
    Lithium polymer battery



    Well, it appears that Lipoly appears to be the winner with the highest energy per weight ratio and the most cost effective and environmentally friendly battery.

    Can anyone recommend a Lipoly 'AA' or 'D' industrial name brand?

    Which industrial name brand produces the most reliable Lipoly battery?

    Some name brands:
    Accupower (NiMH 2600 mAh AA, 8500 mAh D)
    Ansmann (NiMH 2600 mAh AA, 8000 mAh D)
    Chateau (NiMH 2200 mAh AA)
    China (NiMH 9000 mAh D)
    CTA (NiMH 12000 mAh D)
    Delkin (NiMH 2500 mAh AA)
    Energizer (NiMH 2500 mAh AA, D)
    Gold Peak (NiMH 2000 mAh AA, 4500 mAh D)
    IPowerUS (NiMH 2500 mAh AA)
    Kodak (NiMH 2100 mAh AA)
    Lenmar (NiMH 2500mAh AA, 10000 mAh D)
    Merkury (NiMH 2500 mAh AA, 25600 mAh D)
    Nexcell (NiMH 2200 mAh AA, 8500 mAh D)
    Panasonic (NiMH 1950 mAh AA, 3000 mAh D)
    Powerex (NiMH 2500mAh AA, 11000 mAh D)
    Powerizer (NiMH 2300 mAh AA, 10000 mAh D)
    Quest (NiMH 2100 mAH AA)
    Radio Shack (NiMH 2000 mAh I-C^3 AA, 4500 mAh D)
    Sanyo (NiMH 1850mAh AA, 7000 mAh D)
    Supreme Power (NiMH 2100 mAh AA)
    Sony (NiMH 2300 AA)
    Ultralast (NiMH 2600 mAh AA, 3000 mAh D)
    Reference:
    http://www.absoluteastronomy.com/encyclopedia/l/li/lithium_polymer_cell.htm
    http://www.absoluteastronomy.com/encyclopedia/n/ni/nickel_metal_hydride.htm
     
    Last edited: Sep 18, 2005
  7. Sep 17, 2005 #6

    Pengwuino

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    Gold Member

    I would think Lipoly is the winner. As long as your not negligent and use within recommended tolerances, its a great battery.
     
  8. Sep 19, 2005 #7
    www.craytonelectronics.com

    AAA NiMH for $0.69/ea
    AA NiMH (2.3 AH) for about $1.50/ea or less in bulk.
    Use the coupon code "MUNI" for free shipping.

    The site looks poorly made but I've ordered from them before and a lot of people at work have ordered from them as well (without any problems).
     
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