- Joined
- Oct 30, 2015
- Messages
- 3
- Reaction score
- 6
- Age
- 52
Hello, this is my first post but I am a long time reader. I have been flying collective pitch hell's for 10 plus years and i am very familiar with lipo batteries and their care.
I have 59 flights on my Phantom 3 Advanced. Yesterday I noticed that the battery life on one of my packs had dropped to 88% in the app. This pack said it had 26 charges. So i decided it was time for a deep discharge to properly cycle the pack. I flew the phantom down to 20% and brought her down. I decided to hand catch which i almost never do. But thank god that i did! While holding the leg i dropped the throttle to turn off the esc's. When I did the props all went to 100%! The app had a red warning that said "battery over current" nothing I could do with one hand would stop the props. So i carefully put my remote on the ground and pressed the button on the pack to turn it off. After the battery cooled down and with the props removed I reinserted the pack to check it out. The voltage was at 12% and all cells were within .1v of each other. In the history log it says "battery over current during discharge". i proceeded to leave the power on till it dropped to 8% and recharged it up to 50% for storage. i am now a bit confused as now the total flights went from 26 to 12 and the battery life from 88% to 100% again.
So, here is my questions. What the heck happened to make this happen? Is an over current event a failure of the battery or of the ESC's?
And also... Would you trust this battery pack any longer? Do I RMA the pack or the whole setup phantom and all?
I have 59 flights on my Phantom 3 Advanced. Yesterday I noticed that the battery life on one of my packs had dropped to 88% in the app. This pack said it had 26 charges. So i decided it was time for a deep discharge to properly cycle the pack. I flew the phantom down to 20% and brought her down. I decided to hand catch which i almost never do. But thank god that i did! While holding the leg i dropped the throttle to turn off the esc's. When I did the props all went to 100%! The app had a red warning that said "battery over current" nothing I could do with one hand would stop the props. So i carefully put my remote on the ground and pressed the button on the pack to turn it off. After the battery cooled down and with the props removed I reinserted the pack to check it out. The voltage was at 12% and all cells were within .1v of each other. In the history log it says "battery over current during discharge". i proceeded to leave the power on till it dropped to 8% and recharged it up to 50% for storage. i am now a bit confused as now the total flights went from 26 to 12 and the battery life from 88% to 100% again.
So, here is my questions. What the heck happened to make this happen? Is an over current event a failure of the battery or of the ESC's?
And also... Would you trust this battery pack any longer? Do I RMA the pack or the whole setup phantom and all?