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Futaba-RC . A Main Hobbies . Boca Bearings

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Main Discussion > batteries & superbatterypacks.com (newbie help)
 
 
ericb
Heliman
Location: Santa Cruz, CA

I am a newbie, and I need some help understanding the information on superbatterypacks.com.

Basically, I want to enhance the flight time of the batteries for my receiver. They seem to run out of juice after about 3 tanks of gas. I have a 1000mAh pack onboard currently (from the 9CHF)

Can I just get the 4500 mAh 4.8V with a Futaba J connector and plug this in? 30 bucks seems a good deal for this simple mod...
Thanks,
--Eric
03-25-2002 Over year old.
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sharam
Elite Veteran
Location: Northern California

Quick answer is, yes. But the 4500 mah pack may be too heavy for your machine. I have a 1600 in my 30 size and a 2700 in my 60 size and I get about 5-6 flights per machine with plenty of room to spare on the Voltwatch meter.
03-25-2002 Over year old.
 
 
RCL
Senior Heliman
Location: Scottsdale, Arizona

I am using a large 2000mAh pack in my ergo-30 ccpm to help balance a tail-heavy machine with the added benefit of longer run time. Currently, i use analog servos.
03-25-2002 Over year old.
 
 
Virtual1
Senior Heliman
Location: Waterloo, Iowa - USA

It is a simple switch to make, but yes it is quite a bit heavier than the stock battery. (close to 2x the weight) It's not like you're flying with a brick on your skids, but there is a difference. Mine's in a Raptor 30 frame with a 50 engine, with oomph to spare, so I didn't really notice any flying difference.

It would also be a good idea to get a peak-detecting charger for the pack. You can get by with the standard Futaba charger, but keep in mind that NiMH batteries don't like being overcharged. Check their temp by hand and unplug them when they start to warm up. After a few charges you'll get to know how long they need to charge after a day's flying and you can just unplug them after that time period. That's what I do with my transmitter's pack.

The good part about that pack is you can go out and fly all day without ever having to think about battery charge. $30 is well worth that load off my mind while I'm out flying. Now if someone would come up with a bottomless fuel tank, I'd be set...

p.s. Also consider getting the 1830mAh tx pack to replace that miserable 600mAh one your transmitter came with. It's more expensive than the 4500 rx pack because it has more cells in it, but remember it's no good having a charged heli if you have a dead transmitter.
03-26-2002 Over year old.
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Main Discussion > batteries & superbatterypacks.com (newbie help)
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