LiFePo4 or A123 Batteries.

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LiFePo4 or A123 Batteries.

Postby Jim Masoner » Mon Feb 14, 2011 7:05 am

I need help!
I'm setting up a 1/4 scale cub with a DLE-30 gas engine and want to use the best batteries for the job. I will need a set of batteries for my DX7 receiver and one for the Engine ignition syestem. What is the best LiFePo4 or A123 and best place to get them? Please help!!!!

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Re: LiFePo4 or A123 Batteries.

Postby hazzbro » Mon Feb 14, 2011 5:10 pm

Having done this on my 30cc and 20cc birds I'd go with 1 2300mah A123 with dual leads from the bat. One goes to a switch and then to the receiver. The other goes to a swtich then to a voltage reducing diode extension (see link below) and then to the ignition. No noise, one bat, less weight. I'm running on 2.3 Ghz btw.

http://www.shop.kavarootusa.com/categor ... egoryId=10

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Re: LiFePo4 or A123 Batteries.

Postby RCModelReviews » Tue Feb 15, 2011 7:58 am

On my 50cc gasser I'm running a 2300mAH A123 pack for the receiver/servos and a separate 1100mAH a123 pack with a UBEC for the ignition.

Despite the fact that I fly hard and have 50-degree throws on all surfaces, I use about 100mAH per flight from both packs so in theory, I could probably get at least 7-8 flights from the ignition and 12-15 flights from the main pack before recharging.

However, I usually throw things on charge after about 4-5 flights. It only takes about 6-7 minutes and both packs are fully-charged again.
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