Dec 13, 2010 #1 mvyrmnd Flashlight Enthusiast Joined Sep 4, 2009 Messages 3,391 Location Australia I retrieved this Panasonic 2900mAh cell from a charger (current cell voltage is 4.17V) and noticed this brown stain around the positive contact. Would anyone know what has happened?
I retrieved this Panasonic 2900mAh cell from a charger (current cell voltage is 4.17V) and noticed this brown stain around the positive contact. Would anyone know what has happened?
Nov 26, 2011 #2 H hapiness Banned Joined Sep 15, 2011 Messages 24 I do not know what this brown stain is. It is the first time I have seen that. When I came to this part about some dangerous batteries, I feel i must nerve my psych when I use some battery. Safety is importance. I suggest don't use that battery again.
I do not know what this brown stain is. It is the first time I have seen that. When I came to this part about some dangerous batteries, I feel i must nerve my psych when I use some battery. Safety is importance. I suggest don't use that battery again.
Dec 5, 2011 #3 M MikeWilson Newly Enlightened Joined Dec 4, 2011 Messages 33 In your photo it looks like it's smoking....
Dec 5, 2011 #4 mvyrmnd Flashlight Enthusiast Joined Sep 4, 2009 Messages 3,391 Location Australia MikeWilson said: In your photo it looks like it's smoking.... Click to expand... Nope That's an out of focus plastic bag on the floor behind it.
MikeWilson said: In your photo it looks like it's smoking.... Click to expand... Nope That's an out of focus plastic bag on the floor behind it.
Dec 5, 2011 #5 M manoloco Enlightened Joined Dec 29, 2006 Messages 690 Location Lima, Perú looks like it vented, i would properly dispose it.
Dec 16, 2011 #6 L led2011 Newly Enlightened Joined Dec 4, 2011 Messages 26 defintely, it is dangerous if you use it again. dispose it right now. Safety is important. Next time I choose to buy the battery, I will choose some well-branded battery. I gusses this one can be a knockoff
defintely, it is dangerous if you use it again. dispose it right now. Safety is important. Next time I choose to buy the battery, I will choose some well-branded battery. I gusses this one can be a knockoff
Dec 18, 2011 #7 S snakyjake Enlightened Joined Nov 28, 2007 Messages 668 Location WA, USA led2011 said: Next time I choose to buy the battery, I will choose some well-branded battery. I gusses this one can be a knockoff Click to expand... OP said it was a Panasonic; doesn't get any branded than that.
led2011 said: Next time I choose to buy the battery, I will choose some well-branded battery. I gusses this one can be a knockoff Click to expand... OP said it was a Panasonic; doesn't get any branded than that.