Yesterday I discharged my batteries for my Phantom 2 Vision + as per DJI's wiki page.  It says to discharge to below 8%.  Well it took ages to do so.  I was in and out of my office as this went on.  On my return the battery was 5% and I had a warning that cell damage could occur - Thanks for warning me DJI.

Anyway it did recharge fully and I thought all was well.  However today I went to use the battery and it says that there is cell damage and I should not use this battery.  All my software is fully up to date and the battery seems to work ok with all cells reporting within a few mV of 4000mV when I ran the battery down to 70%.


Is it really stuffed?  

Can the error code be reset?

What is the minimum voltage you should discharge to?

Neil

How did you discharge to 5% was this reported by the dji phone app ?

I never pay any attention to battery advise from dji. I fly until the fog horn comes on and then later that day or the next fully charge, I trust the battery will self discharge when required.  I don't know if its the right or wrong way - but no issues yet.

Yes the 5% was on the phone app.  Yes your idea is better I think.

"What is the minimum voltage you should discharge to?"

For a 3S LiPo, I would  not go below 11.1 volts.

3.7V? thats a bit to safe. I would say 3.3V can be done to a lipo without damaging it, maybe 3.0V but thats under load of course. With the Phantom1 i landed at 3.5V which is 10.6V

Whats happened to Neil.email it says he's banned and I cant read any of his comments ?

Are you guys talking about standard liPo's or the smart battery in the Phantom 2

umpa Posted at 2015-1-22 19:04
Whats happened to Neil.email it says he's banned and I cant read any of his comments ?

Are you guys ...

I'd be more interested in WHAT he did to get himself on the "no soup for you!" list.

umpa Posted at 2015-1-22 19:04
Whats happened to Neil.email it says he's banned and I cant read any of his comments ?

Are you guys ...

I think he's number 1 on DJIs "NO FLY LIST".

I was only able to discharge my three batteries to 14%, 14% and 12% yesterday.  I hovered them aslong as possible just above the gorund and then they settled in and the engines quit.  i think i have to change the minimum charge level to get lower.

Dorothy, you're not in Kansas anymore...

hey, i dont care, at least i can reply to posts now LOL

What happened was ........
Yesterday I discharged my batteries for my Phantom 2 Vision + as per DJI's wiki page.  It says to discharge to below 8%.  Well it took ages to do so.  I was in and out of my office as this went on.  On my return the battery was 5% and I had a warning that cell damage could occur -

Anyway it did recharge fully and I thought all was well.  However today I went to use the battery and it says that there is cell damage and I should not use this battery.  All my software is fully up to date and the battery seems to work ok with all cells reporting within a few mV of 4000mV when I ran the battery down to 70%.

umpa Posted at 2015-1-22 19:04
Whats happened to Neil.email it says he's banned and I cant read any of his comments ?

Are you guys ...

Not sure why I am labelled as banned. Can you read this?  Seems ok my end

Yep, you and your posts are back.  Battery sounds like it's okay.

Yes Jamie it does seem ok.  But how does one clear the error state that it has?

I've logged a support request on thiis and after a week I have no answer.  They used at least so it is in the cue.