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Old May 31, 2014, 03:08 PM
RCG Hover King
Eagle2Nitro's Avatar
United States, LA, St Francisville
Joined Apr 2014
762 Posts
Question
Polarity of UM 1S Battery Plug?

I'm working on a 1S battery adapter, and on the UM T-28, I'm assuming that the white wire is positive, and the black is negative? Can someone confirm this?
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Old May 31, 2014, 08:43 PM
Aimin at the ground an missing
The Jackalope's Avatar
Canada, BC, Courtenay
Joined Feb 2014
186 Posts
the logic is sound.
When I'm working weird battery setups, I confirm polarity by checking my charger's leads
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Old May 31, 2014, 08:48 PM
RCG Hover King
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United States, LA, St Francisville
Joined Apr 2014
762 Posts
I use this charger:

http://www.horizonhobby.com/products...r-THP103CQACDC


And you can't see the charger wires!
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Old Jun 01, 2014, 05:01 PM
My plane is 5ft BGL!
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United States, FL, DeLand
Joined Sep 2012
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Yes it is. I havent confirmed with an actual UM battery, but the 500mah Eflite batteries for the 180qx have white and black wires, while my charger has red and black. the red goes to the white.
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