[NSRCA-discussion] Lipo For Futaba 12FGA

John Gayer jgghome at comcast.net
Thu May 14 11:31:52 AKDT 2009


Buy two and make a third pack out of the leftovers.
Then you have 7500 mah worth of capacity.
John

Ron Van Putte wrote:
> What really irks me is that the 3-cell 2500 mah transmitter packs fit 
> my transmitter, but I'd have to cut out a cell to use it and that 
> space could be used for a 2-cell transmitter pack with higher capacity.
>
> Ron
>
> On May 14, 2009, at 8:40 AM, jonlowe at aol.com wrote:
>
>> Picky, picky, picky!
>>
>> At that price, buy two and take the spare to the field.
>>
>> Jon
>>
>> -----Original Message-----
>> From: Ron Van Putte <vanputte at cox.net>
>> To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>> Sent: Thu, 14 May 2009 8:10 am
>> Subject: Re: [NSRCA-discussion] Lipo For Futaba 12FGA
>>
>> Yeah, that'll work, but I was hoping to find one with a capacity of 
>> at least 2500-2600 mah.
>>
>> Ron
>> .
>> On May 13, 2009, at 11:45 PM, jonlowe at aol.com wrote:
>>
>> > Here's one:
>> > https://www.hobbycity.com/hobbycity/store/uh_viewItem.asp?> 
>> idProduct=8933&Product_Name=OEM_2200mAh_2S_20C_Lipo_Pack
>> >
>> >
>> > -----Original Message-----
>> > From: Ron Van Putte <vanputte at cox.net>
>> > To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>> > Sent: Wed, 13 May 2009 10:48 pm
>> > Subject: [NSRCA-discussion] Lipo For Futaba 12FGA
>> >
>> > Just to change the topic a while, I'd like to talk about lithium > 
>> polymer batteries for transmitters. Yes, I know that several > 
>> companies sell polymer batteries for transmitters. They come in > 
>> square and flat configurations. I've sold quite a few and every > 
>> customer is happy; they only have to charge their transmitter > 
>> battery every other month.
>> >
>> > So, what do I want to talk about? I can't find a "suitable" one for 
>> > my Futaba 12FGA transmitter. The 12FGA uses a 7.2 volt, 1600 mah > 
>> battery. A 2-cell lithium polymer battery would be perfect. > 
>> Unfortunately I can't find one over 2100 mah that fits in the > 
>> battery compartment (16x34x130 mm). The problem is that most > 
>> lithium polymer batteries sold now have more than a 10C discharge > 
>> rate. As a result, the batteries are bigger than necessary for a > 
>> transmitter. Transmitters don't require more than 1C or 2C from the > 
>> lithium polymer battery, especially the 2.4 GHz spread spectrum > 
>> transmitters.
>> >
>> > Any ideas/sources out there?
>> >
>> > Ron Van Putte
>> > _______________________________________________
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>> >
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