Preventing Dead rechargeable battery problems: Power tools, digicams etc?

July 24, 2010 by admin · 1 Comment
Filed under: Other - Electronics 
power tools
LarryJo asked:

There was a previous thread about Dewalt Batteries being weak. I am about to send my Dewalt DW9057 in for replacement under warranty. The problem is that not all rechargables are created equal. The DW9057 is the WORST type of rechargeable battery - it is NiCd - which is prone to “Memory Effect”. The Best rechageables are Li-ion - Lithium Ion — I have some 20 years old and still holding charge! In the middle are NIMH - Nickel Metal Hydride - these cost a little more they NiCd but are worth the difference. They are very resistant to memory effect. I have not had one fail on my yet, but have heard that they do eventually fail. Dewalt does make all 3 types of batteries! So if you have a NiCd that died out of warranty — be sure to upgrade at least to NIMH or Li-ion if available. There is a nice Dewalt replacement in NiMh made by Lenmar. I am happy with it.

So how do you prevent Dead rechargeable Battery problems?

DO NOT BY NiCd! I even have AAA, AA, D and 9v batteries all in NiMh and the NiCd I used to have in those sizes are long since dead!

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Comments

One Response to “Preventing Dead rechargeable battery problems: Power tools, digicams etc?”
  1. Desert Dust says:
    July 26, 2010 at 11:09 pm

    No battery rechargeable or other wise is going to last forever. They simply die at some point. I have four Dewalt 18 volt NIMH batteries that I have been using for 12 years. Two will no longer hold a charge, one is so-so at best and forth is going strong. Dewalt now has a new Lithium-Ion replacement 18 volt battery and I have decided to go that route. Desert Dust

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