[NSRCA-discussion] Battery charger needed

[Verne Koester]

I mis-spoke in my last post. A 1000 mah pack gets charged 1 amp for one hour which is 1C. Please disregard the previous post. Told ya I was electrically stupid.

Verne
  ----- Original Message ----- 
  From: Verne Koester 
  To: NSRCA Mailing List 
  Sent: Wednesday, January 23, 2008 5:16 PM
  Subject: Re: [NSRCA-discussion] Battery charger needed


  Anthony,
  I have 4 - Astro Flight 109's for sale that are in excellent shape and have been zero problems for two seasons. They only run off of 12-14 volts DC which is pretty typical for Lipo chargers. I use 12 volt power supplies that I run off of a generator and/or a 110 volt wall outlet depending on whether at the field or a at home. They're not totally safe and foolproof. Most chargers for our use aren't. The 109's automatically read the cell count and display it for your verification. However, you set the charge rate which is almost always 1C (1/10 the capacity, ie: 1000mah pack gets charged at 1/10 that amount, or 100 mah or .1 amps) I've never had charging problems, but I've never walked away and forgot about it or set the wrong rate. Regardless of which charger you choose, the charge rate and the fact that you have batteries charging deserves your utmost attention. BTW, I'm pretty much electrically stupid, but have learned enough to do the Lipo thing safely.

  Verne


    ----- Original Message ----- 
    From: Tommy Scarmardo 
    To: NSRCA Mailing List 
    Sent: Wednesday, January 23, 2008 1:40 PM
    Subject: Re: [NSRCA-discussion] Battery charger needed


    Try FMA Direct for Cell Pro chargers, they have a couple of different ones.

    Tommy

    Anthony Abdullah <aabdu at sbcglobal.net> wrote:
      For a while I have wanted to get a foamy but never did because I don't have a charger for Lipos. Now I am at the point of running lighter batteries in my pattern planes and will need a battery charger for the new types of batteries in use. Having no knowledge of Lipos and such I am appealing to the brain trust for your guidance. 

      My desires in order of importance:
      -As safe and foolprooof as possible- I do not want to burn down my house if I accidently set it to charge at 5 instead of .5
      -Reliable- It should be low maintenance I don't want to have to send it in for repairs or replace it very often. I have had my Nicad charger for years with no problems
      -Versatile- able to safely charge and dischage just about all battery types
      -User friendly- I can just plug it in, set it and forget it (within reason), also able to work from different power sources (12 volt battery, 110 volt household plug, etc) It would be nice if it also worked to keep my batteries in peak condition by not overcharging or over heating them.
      - Price- I want quality and am willing to pay for it

      If such a charger exists please let me know. I am curious as to what people have used and what you would recommend.

      Thank you very much
      Anthony
      NSRCA #759
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