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« on: July 29, 2013, 06:32:37 PM »
v2 eagle
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Hi,

Is it possible to use a  850mAh-3Cell 11.1V 20C LiPo for transmitter?
I have a Flysky FS-T6, and there is no way for battery mod for pack, and its Eating up AA batteries like anything. A fresh set of batteries for just 2 hours of operation. so im planning to connect LIpo to the pins where the AA batteries goes.

moreover a LIPO will go good instead of NIMh as most of the electric people will already have a 3s charger for the same.
Any inputs are welcome.

Regards
Ashok.
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« Reply #1 on: July 29, 2013, 07:19:09 PM »
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If that LiPo fits inside the battery compartment....then you can use it...
It is always recommended to use larger LiPo that will fit inside the compartment.
Also don't forget to add a Onboard Low voltage LiPo alarm incase the battery is over discharged...
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« Reply #2 on: July 29, 2013, 08:56:12 PM »
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So there wont be any issues with overcurrent and stuff right?
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« Reply #3 on: July 29, 2013, 09:24:05 PM »
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No..there wont be any overcurrent...The Tx will consume current only when it needs it...You cannot force current through it...
To force current through it you have to increase the voltage...
With 3S there will be no problem...as Tx previously used 8 x 1.5V cells = 12V
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« Reply #4 on: July 29, 2013, 09:38:33 PM »
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thanks, Santhosh,

Ill try it this week,
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« Reply #5 on: July 29, 2013, 09:42:44 PM »
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i am using this nanotech 850Mah battery.... its working well.

Double check the Polarity
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« Reply #6 on: July 29, 2013, 09:46:09 PM »
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can you please post the Link where did you purchased it,..
 Drool Drool Drool Drool Drool Drool Drool
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« Reply #7 on: July 30, 2013, 09:53:44 AM »
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If the battery bay is the same as the CT-6B, you can use the 1450mah tx pack that is available with adiboy. Whatever lipo you use, take care to use the ones that have a discharge rate of 1c or lower. These are lipos made specially for Txs which have very low self discharge rate. Cheers!
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« Reply #8 on: July 30, 2013, 11:06:28 AM »
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Bindass!

You can use the low c rating Lipos for Txs as TXs dont pull much current (as compared to motors) and you will save some dollars Cheesy
Using a 3s lipo used to drive motors is an under utilization of the battery when fitted in TXs.
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« Reply #9 on: July 30, 2013, 12:16:07 PM »
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this is somethin ive been worried about, if a 20c battery is used, will it not fry the tx, and the most tx packs i see online are Nimh and not lipo, then i have to find a charger for that too. The battery bay isflat 8 battery one, not as ct 6b.
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« Reply #10 on: July 30, 2013, 12:36:09 PM »
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20c is 20 times capacity. Like santhosh mentioned, the battery cannot force current thru the Tx. The Tx pulls current from the battery. 20 C specifies the upper limit the battery can provide, *when asked for*. A 2.2A (2200mAh) 20 C can thus provide a burst of 2.2 * 20C = 44 A of current, beyond which it will die.

There is a flat battery also available on HK that should fit.

Here's a rule to remember:

Voltage is supplied, current is drawn.
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« Reply #11 on: July 30, 2013, 02:25:10 PM »
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"If it's man-made and it flies, it will crash."
And is it good to use a puffed 2.2mAh 20C battery on a Tx( 9XR)?
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« Reply #12 on: July 30, 2013, 02:29:03 PM »
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@v2 eagle, Here is the link for the battery http://www.hobbyking.com/hobbyking/store/__9787__Turnigy_1450mAh_3S_11_1v_Transmitter_Lipoly_Pack.html
Cheers!
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« Reply #13 on: July 30, 2013, 02:31:51 PM »
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In general, it is never good to use puffy Lipos anywhere. A little bit puffiness is generally tolerable, but will always snatch your peace of mind, leaving on behind with "what if?"

As for the voltage current duality, no apparent issues.
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« Reply #14 on: July 30, 2013, 02:34:17 PM »
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"If it's man-made and it flies, it will crash."
its super puffd :O
lets wait for a blast Cheesy
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« Reply #15 on: July 30, 2013, 02:42:05 PM »
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Honestly, if you want blasts, get some firecrackers. LiPo blasts can cause serious injuries...
goto 2.45
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« Reply #16 on: July 30, 2013, 02:45:55 PM »
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"If it's man-made and it flies, it will crash."
omg, too dangerous.

:O :O
I will get a new one next month Smiley
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« Reply #17 on: July 30, 2013, 02:51:23 PM »
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#get_set_fly
go to hobby sea or any other lhs and purchase a Zippy 1000Mah 20 c lipo it doesnt fit inside it u will reqquire some extra taping  rest all is well have been using it on my Fly Sky TX since ast 1 year and no issues till now.
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« Reply #18 on: July 30, 2013, 05:35:45 PM »
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I have the same Zippy 1000mah lipo, im lpanning to buy a new turnigy 2200mah for may coro wing trainer and use the Zippy Lipo for TX.
Thanks for your input...
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« Reply #19 on: July 30, 2013, 05:38:22 PM »
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#get_set_fly
@v2thts gud contact me if u need help.

+91-8093863974
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RC India  RC Equipments  Batteries and Chargers  Topic: Use of 850mAh-3Cell 11.1V 20C LiPo for a Flysky radio TX
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