Thread: Discussion Brand new lipos won't charge.
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Old Oct 13, 2012, 11:51 AM
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Even though you soldered the connector plug "plus" to the red wire and the minus to the black wire you could still be reversed polarity. Without a muti meter you won't be able to check if the battery came from the manufacturer with the correct polarity.

Always check new batteries for the correct polarity. Many have lost their batts by using them without checking that the polarity is correct to begin with.
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