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Lipo Question

QuadKid

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Joined
Jan 31, 2017
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Hey All, a question about Lipo's.
I went ahead and bought 4S / 14.8V / 1800mah / 65C batteries from China thinking it was a pretty good deal from Banggood. Well they finally came, gave them the first charge (balanced at 1.8Amp rate, noticed that they only accepted around 650mah before fully charged. Using The Gemini 2100 dual port charger 80W p/port. Flew them for the first time on the Walkera F210 and only got maybe 2 minutes of flight time. Recharged, same procedure, same result.
Question is why they are not accepting the proper mah to full charge. I have 12 other batteries (Tattu)
and when discharged they charge to the proper mah (1750-1810) have no problem with them.

I'm kinda thinking you get what you pay for, (they were cheaper then the Tat's).
Would discharging them to storage levels correct the problem or is it un-correctable, just cheap aftermarket batteries.

If anyone has experienced this and found a way to correct it any advice is appreciated.
 

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