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-   -   DO I have a Problem? (https://www.rcuniverse.com/forum/batteries-chargers-84/8597537-do-i-have-problem.html)

RuninWideOpen 03-20-2009 12:03 PM

DO I have a Problem?
 
Hello all I just bought 2 1.2 volt 3300 MA sub C batteries , I put them on my accu charger and they only seem to charge to 735MA before it says it has reached peak voltage, Shouldnt they charge to approx 3300MA ? I tried charging them at the chargers default charging rate and also at the lowest setting of 50 Ma and the result is the same is this normal ? maybe because they are new? [:o]

guver 03-20-2009 12:27 PM

RE: DO I have a Problem?
 
Only if they were nearly empty.

Is it possible they were already partial charged?

If not try increasing the rate to 1-2 amps. prefer 2 amps.

ALWAYSPDG 03-20-2009 01:38 PM

RE: DO I have a Problem?
 
you will need to discharge the battery before charging the battery to determine what the true mAh capacity will be.

Mike

KW_Counter 03-21-2009 09:32 AM

RE: DO I have a Problem?
 
What type of battery is this - NiCd or NiMh?
If it is a NiMh it needs a form charge.
That is a C/10, 300 mAh, charge for 16 hours on a non-peaking charger.
Then cycle and see what you get.
If you do not have a non-peaking charger then cycling up to 10 times may solve the problem.
I suggest tracking each charge to ensure the battery is improving.
I hope this helps.
Good Luck,
KW_Counter

RCguru09 03-21-2009 10:15 AM

RE: DO I have a Problem?
 
New batteries need to be cycled several times before you see good results. Only trickel charge first. peak charge always faulse charges.


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