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Old Mar 03, 2012, 02:46 PM
Brkn Prop
Scratchgoose's Avatar
United States, NV, Cold Springs
Joined Feb 2012
40 Posts
Question
NiMH battery to LiPo

I fly my Fire-bird Commander often... 4.8V 600mAh battery.
Can I convert the plane to Li-Po batteries (3.7V)
Any suggestions
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Old Mar 03, 2012, 03:38 PM
Southern Pride
everydayflyer's Avatar
Haralson County GA. USA
Joined Oct 2004
34,364 Posts
4.8V Ni means 4 cells which charge to aprox. 6.4 and maintaint 5volts or more during early flight and then drop as flight time passes.

A 1S LiPoly charges to 4.2 and is aprox. 4V under a light load , 3.7 under a moderate load and 3.0 to 3.5 under a heavy load depending on the capacity , C rate and the load.

Most lukely you would need a 2S (2 cells) 7.4V Lipoy and also a LiPoly charger, a LiPoly frienly ESC and practice very good throttle management if you are using a brushed motor to keep from burning it out.

Best advice would be to purchase a Brushess motor and ESC as well as the 2S LiPoly.

Please spend some time learning about LiPOlys before purchasing them.

Charles
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Last edited by everydayflyer; Mar 04, 2012 at 08:00 AM.
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Old Mar 03, 2012, 09:43 PM
Brkn Prop
Scratchgoose's Avatar
United States, NV, Cold Springs
Joined Feb 2012
40 Posts
Thanks for the reply, I will stay with the default..... it just a back-up I keep in my MotoHome..
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