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Battery Questions

Old 01-17-2007, 09:24 PM
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I haven't ran my IB3800's and GP3300's in a while and now I just bought a Novak Smart Tray and now this friday I'm gonna get a Power supply for my Duratrax ice charger.

What should I be doing before friday to get them ready to get juiced up and race ready?
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Old 01-17-2007, 09:39 PM
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I would discharge down to .90 volt's per cell. Then charge at a slow rate like 4 amp's 2 or 3 time's. Dischargeing down to .90 per cell between each charge.
Be sure to allow cooling.
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Old 01-17-2007, 09:42 PM
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I mean I did charge them using my car battery connected to the ICE and at 6 amps bout is probably 1.5 months now.

I forgot I gotten my Integy 0-30 about 2 weeks ago and last week i put the battery on there untill lights went out and then took them out to cool them down. if that helps any
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Old 01-17-2007, 09:44 PM
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I would baby step them back into use. What are you running motor wise?
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Old 01-17-2007, 09:46 PM
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Originally Posted by UN4RACING
I would discharge down to .90 volt's per cell. Then charge at a slow rate like 4 amp's 2 or 3 time's. Dischargeing down to .90 per cell between each charge.
Be sure to allow cooling.
this is what I would do with the IB3800 just because of the LOW internal resistance
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Old 01-17-2007, 09:48 PM
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I plan to be running in Stock foam sedan on carpet.

Btw if you havn't read my post above I edited I got the Integy 0-30 about 2 weeks ago if that makes a difference. I put them on the 0-30 untill the lights went out last weekend.
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Old 01-17-2007, 09:54 PM
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Skruger I used to charge my 3300's at 3.5 amp's. they really held the peak longer into the run. I didnt run my 3800's very long, went to the 4200's and was charging at 4.5 at a manufacturer's recommended 5.0. I was getting a strong
3.5 min. run before the the peak would even begin to drop in stock 27.
I really had good luck with the lower charge rate. With 19 or brushless I dont think the peak ever dropped.
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Old 01-17-2007, 10:01 PM
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How long do you keep the batteries on the 0-30? Untill the lights turn off?
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Old 01-17-2007, 10:06 PM
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Well I would run them down to zero then cool then recharge, not sure of the 0-30. will it zero? I wouldnt recommend zero storage, I stored mine at about 25% charge. Dont let them sit on zero just down to zero touchy stuff that's the good thing about the novak smart tray.
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Old 01-17-2007, 10:11 PM
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So pretty much what I'm getting is cycle them and a low amperage and then let them cool and then put them on my 0-30 till lights go out and then put them on my smart tray to equalize and then redo it a couple more times?

And after that i just go back to my usual charging preferences?
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Old 01-17-2007, 10:20 PM
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That should wake them up.
Exsperiment with the charge rate once you start racing them.
Lot's of people will charge higher rate's with stock, but try the lower rate's to. You might be suprised?
They will deffinitly hold the peak longer into the run.
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Old 01-17-2007, 10:38 PM
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Per SMC's instructions:

Before first charge (I'm interpretting as after storage as well): put 200 seconds of charge into the pack. Discharge to .9v per cell. This activates the chemicals so they're ready to accept a charge without venting.

Charging: 6 amps, 5mv/cell cutoff (30mv for 6 cell pack)
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Old 01-23-2007, 08:57 PM
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I just got my power supply and I'm gonna finally wake up my batts. How many cycles should I do? 3 in one night or 2?
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Old 01-23-2007, 09:23 PM
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I'd probably do 3. Just be sure to let them cool. I'd say at least 30 min of cooling.
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Old 01-23-2007, 09:33 PM
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So right after i finish charging the batt i put it on the 0-30 and after the lights go out then i let it cool or do i let it cool then put it on the 0-30?
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