Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
Thread Tools
Old Oct 14, 2010, 07:48 PM
ferret dad is offline
Find More Posts by ferret dad
Registered User
ferret dad's Avatar
Discussion

S107 charging question


The Syma S107 comes with a USB cord to charge from a computer which I always use to preserve the life of the transmiter bateries. When the cord is used this way are you in a sense charging from a 120v source? What I was wondering was I've seen adapters to plug into a wall plug and you then plug the USB into it, using the wall outlet as the power source. Could these be safely used to charge the heli if a computer was not available? Thanks in advance.

Mike
Sign up now
to remove ads between posts
Old Oct 14, 2010, 07:58 PM
Z24 is offline
Z24
Find More Posts by Z24
Z24
Tamiya For A Me A
Z24's Avatar
Exact same thing I was wondering.
Last edited by Z24; Oct 14, 2010 at 08:48 PM.
Old Oct 14, 2010, 10:36 PM
arbilab is offline
Find More Posts by arbilab
Fly Runaway Fans
The USB voltage standard is 5V so yes, anything with a USB socket on it produces the same voltage.

Current rating is largely irrelevant. Charger only draws what it needs, less than the 500mA USB spec. Some computers seem to limit their USB sockets differently which only lengthens charge time at worst.
Old Oct 15, 2010, 11:31 AM
ferret dad is offline
Find More Posts by ferret dad
Registered User
ferret dad's Avatar
arbilab,

so using an adapter that goes into the wall would be fine? This heli is charged by plugging into the heli directly and not thru a charger but I'm sure you know that. I don't want to burn up the battery or the heli itself by plugging it into the wall socket. If it works that way then great as access to the computer is not always available and using the TX would decrease battery life.

Thanks,
Mike
Old Oct 15, 2010, 12:11 PM
jtravel is online now
Find More Posts by jtravel
Rather Be flying or Tinkering
jtravel's Avatar
Something like this would work
http://www.amazon.com/gp/product/B00...FHTYMBE2PCDFHX
Old Oct 15, 2010, 12:34 PM
Doubletap is offline
Find More Posts by Doubletap
Si Vis Pacem Para Bellum!
Doubletap's Avatar
I have a half dozen of those USB AC adapters to charge all my sub micros while I'll flying one or two.



Here is a nice one with dual USB output so you can charge a couple of helis from one AC outlet:


http://www.meritline.com/usb-car-hom...--p-45795.aspx





Keep your Sub-Micro Fleet flying with a well stocked charging setup!
Last edited by Doubletap; Oct 15, 2010 at 12:56 PM.
Old Oct 15, 2010, 02:19 PM
arbilab is offline
Find More Posts by arbilab
Fly Runaway Fans
You can plug the USB unit into anything with a USB socket, whether it's a computer, hub, or wallwart. They all produce 5V.
Last edited by arbilab; Oct 15, 2010 at 02:33 PM.
Old Oct 20, 2010, 12:19 PM
ferret dad is offline
Find More Posts by ferret dad
Registered User
ferret dad's Avatar
Follow up....

While looking around on the hobby-estore site I found that they do sell a wall charger just for the S107 at only $5.00 so I ordered two, one for me and one for my son. Hes just getting into the heli thing since he sees me having a blast. He got a couple $19.00 cheapie 2-ch's he found on sale and has been playing around. I bought him a blue S107 (already have the yellow and the red for our grandson) and he loves it. Next up, a four channel.

Thanks again,
Mike
Old Nov 13, 2010, 10:22 PM
BuckinBroncoMann is offline
Find More Posts by BuckinBroncoMann
Registered User

Don't use this type of charger!


I just tried charging my S107 with a car charger for a coffee mug that has a USB port. The charging cable for the S107 got pretty warm and the light never lit up, but I continued to try and charge it this way- it didn't work, and now the helicopter won't charge any way I try. The electronics still work, but the battery is obviously not charged. Anyone know what happened? I just emailed Xheli.com (where I bought it) to see if they will help me with it (or replace it).....
Old Nov 14, 2010, 04:26 AM
scotsoft is offline
Find More Posts by scotsoft
Master Of My Universe
scotsoft's Avatar
Quote:
Originally Posted by BuckinBroncoMann View Post
I just tried charging my S107 with a car charger for a coffee mug that has a USB port. The charging cable for the S107 got pretty warm and the light never lit up, but I continued to try and charge it this way- it didn't work, and now the helicopter won't charge any way I try. The electronics still work, but the battery is obviously not charged. Anyone know what happened? I just emailed Xheli.com (where I bought it) to see if they will help me with it (or replace it).....
Sounds like the same thing that happened to me
One side of my USB lead started to melt
The USB charge lead is dead.
However you will need another USB lead for your S107

Does your S107 still charge from the transmitter?
Old Nov 14, 2010, 08:38 AM
jtravel is online now
Find More Posts by jtravel
Rather Be flying or Tinkering
jtravel's Avatar
Quote:
Originally Posted by scotsoft View Post
Sounds like the same thing that happened to me
One side of my USB lead started to melt
The USB charge lead is dead.
However you will need another USB lead for your S107
Does your S107 still charge from the transmitter?
I also had a S107 usb charger that the Led stopped lighting up and s107 would not charge.
5 volts was going in but only 2.25 volts was being applied to the s107.
S107 charged fine with the S026 wall charger so I
Purchased a new USB charger from China for $2 shipped.
Old Nov 14, 2010, 03:01 PM
BuckinBroncoMann is offline
Find More Posts by BuckinBroncoMann
Registered User
The S107 does not charge off of the transmitter now either... I'm wondering if the charging port on the helicopter is fried. It looks ok visually though...
Old Nov 14, 2010, 03:50 PM
jtravel is online now
Find More Posts by jtravel
Rather Be flying or Tinkering
jtravel's Avatar
Quote:
Originally Posted by BuckinBroncoMann View Post
The S107 does not charge off of the transmitter now either... I'm wondering if the charging port on the helicopter is fried. It looks ok visually though...
Sounds like It fired the electronics board.
Old Nov 14, 2010, 05:55 PM
arbilab is offline
Find More Posts by arbilab
Fly Runaway Fans
The batt is only connected to the electronics when switch is ON. At the same time the charge port is disconnected.

However, there is a subregulator on the battery subject to failure if exposed to reverse polarity. The subregulator is a shelf item and cheaply available.
Old Nov 14, 2010, 06:48 PM
BuckinBroncoMann is offline
Find More Posts by BuckinBroncoMann
Registered User

Thanks! Very helpful...


Quote:
Originally Posted by arbilab View Post
The batt is only connected to the electronics when switch is ON. At the same time the charge port is disconnected.

However, there is a subregulator on the battery subject to failure if exposed to reverse polarity. The subregulator is a shelf item and cheaply available.
Thanks for the insight! If xheli.com won't help me, I'll try my local hobby shop.


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Question Charging Firebird/S107 gatownsend Coaxial Helicopters 2 Sep 25, 2010 01:26 PM
Help! Accucel-6 charging question DiabloKid Batteries and Chargers 3 Sep 16, 2010 02:28 AM
Discussion Syma S107 TX question ferret dad Coaxial Helicopters 4 Sep 12, 2010 01:25 PM
Question 1S lipo battery Voltage Charging question. nemoskull Batteries and Chargers 2 Sep 05, 2010 10:51 PM
Question Newbie charging question. Charlescd Batteries and Chargers 5 Sep 02, 2010 08:37 PM