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Old Yesterday, 08:04 AM
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poziovahim's Avatar
United States, NM, Espanola
Joined Nov 2011
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lipos' for rx

I see a lot of posts from folks who power their rxs' seperately and they always use Nimh or 123 batts!
Is there a reason I don't see anyone using lipos? Is it the expense or are they just not suited for the task?
Many Thanx,
Dan
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Old Yesterday, 08:08 AM
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United States, MN
Joined Feb 2011
4,199 Posts
It's because if you use a LiPo you need HV servos which are getting more common but still cost more. Or you have to use a BEC to drop the voltage which is just another thing that could fail on you.
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Old Yesterday, 09:53 AM
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Canada
Joined Nov 2000
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Some are simply more familiar/comfortable with the Round shaped cells.
No more, no less.
Becs are inexpensive and reliable, also weigh so little that it's a non issue.
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Old Yesterday, 09:47 PM
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You can store NiMH cells fully charged for weeks without them degrading excessively the way LiPo cells do. The low self discharge NiMH stuff that appeared a few years ago will hold more than 80% charge after a full year in storage. For something low draw like a receiver, it's nice to be able to top it up as needed and keep it fully charged all the time.

Personally I just use the BEC to power my gear from the main LiPo and haven't ever had a problem. I'm not doing anything exotic though.
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