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JoergW · 02-21-2009, 10:45 PM

Hi Folks.

I had a crash with my T-Rex 450 a while ago and now I don't trust that battery anymore, that was in there when it went into the ground.

How can I test a LiPo whether or not it is puffed, when there's no visual damage?
It's one of those Parkzone 3S LiPo's el-cheapo thingys.
I think it might be puffed, but I don't know. Can I charge it at, say, 0.5C or better discard it?
What would happen if I charge a puffed Lipo? Would that impose a fire hazard?

TheBum · 02-21-2009, 11:23 PM

Does it bulge and feel like there's air under the covering? If not, it's not puffed.

02-21-2009, 10:45 PM	#1 (permalink)
JoergW Join Date: Jul 2008	LiPo puffed after crash? How to tell? Hi Folks. I had a crash with my T-Rex 450 a while ago and now I don't trust that battery anymore, that was in there when it went into the ground. How can I test a LiPo whether or not it is puffed, when there's no visual damage? It's one of those Parkzone 3S LiPo's el-cheapo thingys. I think it might be puffed, but I don't know. Can I charge it at, say, 0.5C or better discard it? What would happen if I charge a puffed Lipo? Would that impose a fire hazard?

02-21-2009, 11:23 PM	#2 (permalink)
TheBum HF Support My HF Map location Join Date: Jul 2007	Does it bulge and feel like there's air under the covering? If not, it's not puffed. __________________ Alan (just call me "Bum"; no need to be so formal) HeliFreak Support Protos Max Evo 700 (Brain 2), Protos Max V2 770 (iKON 2), Synergy 516 (Brain 2), Oxy 2 (Falcon 12) Graupner MZ-32 Experience is something you gain only after you need it. I wouldn't mind social media so much if it didn't involve people.

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