Thread: New Product ESR / IR Meter fo Lipos
View Single Post
Old Feb 20, 2013, 02:07 PM
Wayne Giles is offline
Find More Posts by Wayne Giles
Registered User
Rugby, UK
Joined Feb 2007
1,011 Posts
Quote:
Originally Posted by Jimob23 View Post
Wayne
That all falls in line with something's I have read elsewhere where there is an inhibitor within the cell chemistry to pre-long shelf life .
In your initial cycles what voltage are you terminating at ?
After the 5C cycle do you consider that the pack is now ready for proper field use or should there be further breaking in cycles
I have seen suggestions elsewhere that 10C sustained load be considered as part of the 'break-in' so in my case of 5000 Ma that equates to 50A which I fell could be a bit extreme !

Cheers Jim




Jim,

I terminate the cycles at 3V, but that is the loaded voltage.
After a cycle I think that a lipo is ready to use as I do not see any change in IR after that point, so that presumably, any forming process is complete.
I only run further low C cycles when testing in case that theory is wrong and to remove any excuse for failure or poor performance.

Wayne
Wayne Giles is offline Find More Posts by Wayne Giles
Reply With Quote