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› Determine with triton charger the current capacity​of my battery
10-19-2004 02:06 PM  13 years agoPost 1
raknin

rrApprentice

Israel

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Can someone explain how could I know what is the current capcity of my batteries (NICD/NIMH) using the my triton charger (My triton has the updated firmware)

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10-19-2004 02:08 PM  13 years agoPost 2
z11355

rrMaster

New England

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discharge the battery fully

charge it fully using a slow C/10 rate, note how
much goes into the battery.

discharge it fully using a C/5 rate, note how much
comes out of the battery. This is the capacity
of the battery.

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10-19-2004 02:15 PM  13 years agoPost 3
raknin

rrApprentice

Israel

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z11355, Is the capacity of the battery is the discharge/chrage capacity that appear in the charging LCD window (Manual page 17)

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10-19-2004 02:37 PM  13 years agoPost 4
z11355

rrMaster

New England

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I dont have the manual in front of me but it should
be.

The Triton willl tell you how much went in during
charge and how much came out during discharge.

You can do multiple cycles if you wish and average the numbers.

It's always good to keep a record of this so you
can tell when your batteries are starting to tell
you 'replace me'.

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10-19-2004 03:27 PM  13 years agoPost 5
raknin

rrApprentice

Israel

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z11355,

This the answer that I got from Tech Support.

"The Triton has no way of actually
knowing the capacity of your battery. All it can do is measure the
current that is put in the pack during a charge. If the battery is a
good pack and is in a discharged state, you should expect to see a value,near the stated capacity of the battery pack on the charger when fast charge has been completed."

I think it is the same as your answer, thanks anyway

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10-19-2004 03:34 PM  13 years agoPost 6
z11355

rrMaster

New England

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there is no way to ask the battery 'what is your
capacity?'

The ONLY way is to do a full slow charge and
then a full discharge under the SAME
test protocol that the mfgrs use. That is a C/5
discharge to stated terminal voltage which is
anywhere from 0.9v per cell to 1.1v.

You can't count on fast charge to fully charge
the battery for this test. It'll get close though.

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10-19-2004 04:45 PM  13 years agoPost 7
playfair

rrKey Veteran

Rochester, NY

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The C/5 discharge rate may be fine to compare your pack to factory specs, but to get "real life" data I discharge the pack at the average rate the heli draws current, and only to the voltage I would feel comfortable flying at.

In the case of my R50 w/analogs, I discharge at 1.2 amps to 4.5 volts. Then divide the total ma discharged by 200 (my highest ma used during a full tank) to see how many flights you can SAFELY make.


The sky is our canvas

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