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110v AC Battery Charger
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Vernongt
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Guests
March 25, 2012 - 8:43 am

Hello everyone,

I just received my new WHITE Syma S107G Helicopter in the mail, along with a 110v AC battery Charger I'd purchased.

I plugged the charger into the side of the S107G and plugged the charger into the wall.

The LED on the charger is RED, but there's no instructions to indicate when the battery is fully charged.

When I unplugged the charge cord from the S107G the LED changed to GREEN.

Does this LED change colours as the battery is charged; ending in GREEN when fully charged?

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Syma Freak
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March 25, 2012 - 9:52 am
Member Since: November 26, 2010
Forum Posts: 1429
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Must admit use other battery chargers for my planes and yes green usually means fully charged when changes from red-I only charge my Syma helis by usb

"Fly like a butterfly sting like a Syma" http://syma107.com

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Carl in WY
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Guests
April 4, 2012 - 1:01 pm

Hi Vernongt;

Hopefully this will help:

I've used my wall charger on my S107 all but 3 times of 54 charges. My

average time has been about 32 minutes. Regarding

instructions and sequence, try this:

1.  First, plug the charger into the wall; the LED should be green.

2. Then, carefully align the guide rails and pins and plug the connector into your Syma.

    The LED should go to red, and remain red until the battery is fully charged,

    when the LED will then turn to green. Some models will move through yellow, then

    finally to green when fully charged. Then, first unplug from the Syma.

 

I've had great results with mine, hope this clears up your issue.Smile

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Bill Sanders
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Guests
March 18, 2013 - 7:01 am

I’m new to this so my ignorance level is high. Well I purchased a green S107G from Amazon along with two different wall chargers but neither charger seems to work. One, with a yellow USB cable stays red forever. The other with a hardwired dedicated connector to the heli remains green forever. The only charging mechanism it seems that I am able to trust is the supplied USB cable that glows as the charge grows. Am I missing something here?  Is there another way to know when the battery is fully charged? This is way too much fun to wreck because of a few dollar charger!

 

Thanks for your help

Bill

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jbrumberg
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Guests
March 18, 2013 - 7:34 am

Bill-  I am really color blind so this red/green charger indicator stuff makes me crazy; especially with all the different "compatible" wall chargers (each with its own unique fully charged colored indicator light sco_huhsign) that usually get bundled with the S107G.  When I used to use my hardwired dedicated wall charger I just set a timer for 50 minutes (Before I bought a multimeter and a powered USB Hub.), and if the heli flew appropriately I would assume that it had charged appropriately.

 

One really needs to use a multimeter to determine true battery charge.  A fully charged battery should be at 4.2V.  A "drained" battery is at 3.7V.  (I now have provided you with a "justification" to buy another geek tool. cool).

 

I will say that some of those yellow USB charger cables are a a little "loose" when connecting; sometimes they need a' little jiggle to set them straight, but that is what I use as well.

 

 

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Bill Sanders
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Guests
March 18, 2013 - 11:30 am

Thanks jbrunberg! I started this response much earlier today but my grand kids showed up and distracted me. My wife and I moved recently and somewhere deep in the bowels of a still packed box is a powered hub. Finding it might prove to be a challenge but sounds to me to be the best way to go. And I always love to add another tool to my collection. So thank you for the help!

 

Bill

 

 

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Syma Freak
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March 26, 2013 - 4:33 pm
Member Since: November 26, 2010
Forum Posts: 1429
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I have bought a cheap Multimeter from Hobbyking(link) for $6 really works well,is on backorder for a few days,just join Hobbyking leave your email,add to your wishlist and they will contact you when in stock,be quick tho as sells fast.

"Fly like a butterfly sting like a Syma" http://syma107.com

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