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HelicopterRadio - Futaba FASST › Futaba 10J Battery Pack
06-06-2014 07:54 PM  3 years agoPost 1
Helizrule

rrVeteran

Lake Ariel, PA

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I just got a Futaba 10J radio and it takes four AA dry cell batteries. I was wondering if anyone knows if there is a lipo or life substitute instead of the optional ni-cad pack. The radio runs 6V and I have a fife 2c 6.6v battery that I would like to use. Anyone have any input on this?

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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06-07-2014 10:03 PM  3 years agoPost 2
Dr.Ben

rrMaster

Richmond, VA, USA

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Chris,
It's a easy retrofit for Eneloops which self discharge very little, but before you do that, understand that it runs a LONG darn time on those AA's. For one less rechargeable pack to keep track of versus keeping a 4 pack of AA's in your flight box when you need them every 6+ hours, I'd do the latter.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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06-07-2014 10:04 PM  3 years agoPost 3
Helizrule

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Lake Ariel, PA

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Agh good advice Ben. Thanks.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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06-07-2014 10:06 PM  3 years agoPost 4
Dr.Ben

rrMaster

Richmond, VA, USA

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And it is factory certified for LIFE voltage too. Just change the pack voltage type in the tranny. P 17 in the manual.

Ben

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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06-08-2014 11:16 AM  3 years agoPost 5
Helizrule

rrVeteran

Lake Ariel, PA

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I'll check that out.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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06-08-2014 10:10 PM  3 years agoPost 6
kcordell

rrElite Veteran

O Fallon, MO

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I have been using an 8J for 2 years (since it came out) and have a 10J.
I can attest to the fact that the life of 4 AA's is pretty darn good.
First thing to remember is that 2.4 takes much less power to transmit than 72.
I have been better than 15 hours TX on time with both radios and still read over 4.8v.
Less expensive than other batteries and no need worry about charging (I won't use re-chargeable AA's). I just keep a 4-pack of AA's in my TX case and that ways I always have backup ready!

Team Futaba, Team Synergy/Rail, Team Scorpion, Team Castle Creations, YS Engines, VelTye

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02-17-2015 03:48 AM  3 years agoPost 7
AirCowboy

rrNovice

Staunton,VA - USA

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Here is in my opinion the best way to handle the situation.
Buy this battery>
http://www3.towerhobbies.com/cgi-bi...p?&I=LXNHS4&P=7

Remove the rear cover from the radio.
Get a dremel tool or anything that you are comfortable cutting hard plastic with and remove this tab>

Once that is done, add a piece of foam rubber or something similar to the underside of the battery and that will hold it nice and snug without any rattle.

Don't forget to choose the NIMH5 battery alarm setting and thats it. Simple, no worry about balancing, and cheap.



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02-17-2015 12:02 PM  3 years agoPost 8
Doublah

rrKey Veteran

USA

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I just use AA Duracell Rechargeables. Lasts a long time on a charge.

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02-18-2015 12:01 AM  3 years agoPost 9
AirCowboy

rrNovice

Staunton,VA - USA

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I just liked the idea that the Tx has 6v. You get that with throw away 4 cell sets, since they are rated 1.5v each, but you only get 4.8 with the 4 cell rechargeable NiCds.
I have never had a problem with mine on the 4.8, but the spektrum guys seem to have brownout issues with less than 6v.
With that being said, it's just a preference more than necessity as far as Futaba goes from what I have experienced and read, but it makes me feel better knowing voltage will never be a factor with signal loss since I have 6v. Call it OCD!

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02-18-2015 12:24 AM  3 years agoPost 10
Ace Dude

rrProfessor

USA

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+1 on the Sanyo Eneloop batteries. Low self discharge (LSD) cells is the way to go.

  

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02-18-2015 03:11 PM  3 years agoPost 11
PilotPin

rrApprentice

Indiana -- USA

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If you want to stay with dry cell batteries try lithium. They have a longer life than the normal alkaline dry cell.

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03-23-2015 03:04 PM  3 years agoPost 12
McKrackin

rrProfessor

Lucasville,Ohio

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Doesn't the 10J now come with a rechargeable battery pack?
I have one in my cart,trying to decide.lol...

I literally never use the word literally right.

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