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Old Jan 29, 2013, 09:05 PM
Rayne is offline
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"Landing" in a tree somewhere
Rochester, NY
Joined Sep 2009
946 Posts
Originally Posted by cloud_9 View Post
Ok, I spoke too soon. Rayne's like explains the C rating on the pack is the discharge rate.

Still, I have problems with the idea that it's OK to charge my 7 year old 4S pack at 5C. Seems like back in those days 2C was the max charge rate. I'm afraid of having a bonfire called my house.

So back to my question: how do you know for a particular lipo what the maximum charge rate is? a 7 year old 13C discharge rate vs a new 50C discharge rate would I think have different coefficient of C for determining safe charge rates...????

Usually the battery will have the maximum charge rate specified on the label somewhere if it's higher than 1C. If you can't find it then I'd assume it's unsafe to charge those batteries at anything higher than 1C.
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