so I dumped my lipo out of my tc3 today. It gently scraped the asphalt but it looks like it may have hit a small pebble on the way and it is punctured. Its not very bad. its dented maybe about 1mm in depth and about 2mm in length and there is a small crack in the base of the dent that im worried about. I can see a little carbon but it doesn't appear that I shorted it as its on the charger now and is showing balanced with in .01.

Since it charges ok and there is no puffing or heat should I be fine? I was just going to put some alu tape on it and roll with it but I figured i would ask, Safty first and all

You prob have not truly punctured it, that crack must not be totally thru the cell membrane. I would seal it with shoe goo or something like it that's flexible and air tight.

If you had punctured it, you would have had a leak and odor come from it and it likely would puff. I punctured one with a small stick running in some woody debris and was lucky to have gotten to it and removed the lipo before it ruined my truck. It made a ton of smoke and got pretty hot, hot enough it would have melted my truck.

Without pics Duster is it still not possible to damage the pack internally without a true puncture? Meaning the media layers inside may be touching which will not cause an immediate issue but can cause a chemical reaction and cause the pack to puff over time?? Was something I heard awhile ago so it may not be an issue anymore but don't know...LMK cause you're the lipo guru...

Good point, but its usually those that are seriously 'accordioned' like in a plane crash that have serious probs from internal media layers shorting. What I've seen may at worst be a minor loss in capacity - its like the affected area is not longer participating....

Small dent, doubt you'd see anything - there is a separator in between the layers, otherwise the whole thing would be a massive short. You don't see any damage until you damage the file used to separate layers.

alright cool beans I just ordered some new shrink tube and Im going to box it in a thin aluminum case or maybe tin. I haven't decided yet. Then I will never have an issue. Or maybe plastic...