RCU Forums - when to charge A123s

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vortex00

09-19-2009 09:01 AM

when to charge A123s

New to the A123s.

when do you know they need to be charged?

Jack

Walt Thyng

09-19-2009 11:03 AM

RE: when to charge A123s

Most people use 2.8V per cell as the cut off. Some go to 2.5, but my Astro thinks that's too low.
Walt

vortex00

09-19-2009 11:09 AM

RE: when to charge A123s

thanks

RCP57

09-19-2009 11:57 AM

RE: when to charge A123s

Quote:

ORIGINAL: vortex00

New to the A123s.

when do you know they need to be charged?

Jack

You need to know the capacity of the battery and your usage per flight. Do it the old fasion way or get a mAh counter. A volt meter or trying to use voltage DOES NOT WORK WITH A123 batteries. The above post is refering to dischage voltage for cycling, NOT FOR A SAFE FLYING VOLTAGE.

jmikesh

09-19-2009 03:03 PM

RE: when to charge A123s

go to hangtime hobbies (nobs batteries) steve has a great web on battery use...especially A123's GREAT INFO!!!

vortex00

09-20-2009 11:48 AM

RE: when to charge A123s

great info, thanks. will check out NoBs

Jack

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