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Over charging?
USB charging question??
Tags: Syma X9
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Airsucker
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February 11, 2015 - 1:19 pm
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Very good, thanks Jam! 

I find the 110 volt to USB adapter works very well so long as it a regulated power supply. My adapter seems to cause no damage so far after approx. 40 to 50 charge cycles with both factory 150 mAh batteries as well as with our upgraded 240 mAh batteries. Since I wasn't sure about the auto cutoff I have been keeping mine on a timer that automatically cuts off the power after 90 minutes. 

Thanks for the great reply! Anyone else have some input on this? 

 

Airsucker

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JamDJ
Lancaster, PA, USA
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February 11, 2015 - 10:50 am
Member Since: February 14, 2012
Forum Posts: 264
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Air,

  No, it will not shut off when fully charged. It is possible to over-charge

the battery. In extreme conditions, the battery will swell a little if it gets too

hot. I've not seen any reports of fires or burst batteries on this forum, but

they are out there. Best advice is to keep an eye on the cable and wait for

the red glow. Then the 15-minute cool down, or put it in the hangar for the night!

I'm not aware that any Syma 'copter, no matter what model, has the limiter

(shut off) feature. Anyone please chime in on that one!

  Also, you will see a lot of charging methods discussed. I go back and

forth on this all the time. I am NOT a fan of direct-to-outlet charging unless

the charger is an actual Syma product. I used my cell-phone adapter and

quickly ruined the battery on my yellow 107. Others say this method is fine.

What I have had luck with, though, is charging from my cable TV box and my

Wii, so if you don't want to use your computer or laptop, you may have USB

ports you haven't thought of. TV satillite boxes and video game consoles apparently

work fine. 

  Glad to see from your last post though that you found the golden "15 minute" rule!

                                                

The following users say thank you to JamDJ for this useful post:

Syma Freak
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Airsucker
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February 11, 2015 - 2:45 am
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Can anyone tell me if the USB charging cord or the power supply on the S107 automatically stops charging once the battery if fully charged? Is it possible to over-charge the battery by leaving it plugged in over night for example?

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