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Effects of running a battery to empty

Discussion in 'Pro/Adv Discussion' started by emilewski, Aug 29, 2015.

  1. emilewski

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    A question: It is stated that you don't want to run your battery all the way down or you will ruin your battery. What does that mean exactly? I ran a battery to empty (well to 6-8%) which has maybe 10 charges on it. It seems fine. Should I worry that it might fall out of the sky at some point due to a battery failure, or might it experience shorter and shorter flight times? Has anyone actually experienced issues with running batteries to empty?
     
  2. bobmyers

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    No, you shouldn't worry-- check the battery cell balance in the app, if one of the cells on that battery is .03 to .07 lower than the other cells, there may be a developing battery issue. If the battery is consistently flown below 10%, it may not last long.

    The big issue with low cells is that when the battery gets to 50 % in flight and one of the cells is significantly lower than the others-- then the point of failure comes when that cell becomes low enough to drain completely with the current draw it takes to turn the motors.

    The lower a cell gets, the faster it drains. There are many good videos on battery break in, care and maintenance-- do yourself a favor and watch them-- they may save you a lot of grief. Cheers:)