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Oh #%@!! What did I do to my SMC Lipos?
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Freezebyte
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Oh #%@!! What did I do to my SMC Lipos? - 07.19.2009, 02:02 PM

Ok, I think I just seriously bit the weenie on this one. I just finally got done upgrade my Savage Flux with a new Spektrum DX 2.0 with some Proline Badlands and Velocity dish wheels. I programmed the DX 2.0 as per the usually HPI way and made sure the EPA's were at 125% for throttle and brake, as I was told this would not hurt the motor or the ESC. The throttle only had 10 clicks for trim. I kept the gearing stock at 20/44.

I"m using SMC Sport Max 6000mAh 28C hardcased batteries which have been awesome batteries up until this point. I've been using a Triton 2EQ with balancer at each and every charge and iv'e had the LVC set from 3.0v to 3.2v using the Castle link.

Today was my first day running the new truck and I kept it simple and was just running it in average grass height at a variety of speeds testing out the new tires and rebuilt shocks. I kept checking the temps and I didn't feel the motor, ESC or batteries were getting dangerously hot.
It was working good for around 15 or so minutes when I noticed it started to loose power pretty quickly, more then it used to.

So I shut it down and brought it inside and I about had a cardiac arrest when I took out the batteries that were very warm to the touch and had damn nearly puffed out of the hard pack casings!!



I immediatly put them outside to cool off and hopefully not explode, so I haven't taken a voltage reading on the charger but the LVC was set at 3.1v and it didn't kick in at any point, I just noticed a loss in power sooner then I expected.

Anyone please give me incite or suggestions on what the hell went wrong here? I'm pissed that just ruined $190 worth of batteries and I don't know how or why!



EDIT: Added photo of voltage test results for both Lipos






Last edited by Freezebyte; 07.19.2009 at 07:43 PM.
   
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