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Old 11-09-2015, 10:22 PM   #4 (permalink)
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Join Date: Jul 2012

If you use a USB wall wart to try and charge a 3 cell LiPo, you're going to pull far more current than the charger can handle. Besides USB chargers only output 5 volts. A 3 cell LiPo is 11.1 volts.
Even with a stepup regulator, there's just not enough current available to charge the battery.
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