Battery help info please.

[Gavieboydgi]

Flying my spark tonight and checked the battery stats while I was flying can someone tell me if this battery is ok two of the cells seem the same and cell 3 is totally lower number? Thanks

 

[RPL]

The 3rd cell deviation is somewhat concerning, but not yet catastrophic. Are you getting the warning prompt when you open the DJI app? Ideally, all three cells should drain at the same pace during flight. If/when one cell deviates quicker than the others, you’re asking for trouble. This could potentially lead to a cell failure mid-flight, which would result in the aircraft falling out of the sky. I’d definitely keep a very close eye on it. I had the same problem 2 years ago with a Phantom, and returned the battery to DJI. Being that it was still under warranty, they replaced it without any questions.

 

[Gavieboydgi]

The 3rd cell deviation is somewhat concerning, but not yet catastrophic. Are you getting the warning prompt when you open the DJI app? Ideally, all three cells should drain at the same pace during flight. If/when one cell deviates quicker than the others, you’re asking for trouble. This could potentially lead to a cell failure mid-flight, which would result in the aircraft falling out of the sky. I’d definitely keep a very close eye on it. I had the same problem 2 years ago with a Phantom, and returned the battery to DJI. Being that it was still under warranty, they replaced it without any questions.

Thanks I will just replace it it's had quite a lot of flights on it anyway about 80 I think I'll have to check. I have 4 batteries all together the first one that came with the drone is surprisingly still good with about 120 flights on it.
How long is dji warranty with batteries?
Thanks for your quick reply.

 

[Gavieboydgi]

The 3rd cell deviation is somewhat concerning, but not yet catastrophic. Are you getting the warning prompt when you open the DJI app? Ideally, all three cells should drain at the same pace during flight. If/when one cell deviates quicker than the others, you’re asking for trouble. This could potentially lead to a cell failure mid-flight, which would result in the aircraft falling out of the sky. I’d definitely keep a very close eye on it. I had the same problem 2 years ago with a Phantom, and returned the battery to DJI. Being that it was still under warranty, they replaced it without any questions.

Sorry I don't get no warnings in dji go app about my battery

 

[RPL]

Batteries are covered under warranty for 6 months.

 

[zhangws55]

I think it will only show a warning if the voltage difference between any two cells are over 0.1v - definitely keep an eye on this one though

 

[Gavieboydgi]

I would of thought I'd be best to just stop using it really it isn't worth my spark just dropping out of the sky. Or will it be warn me and slowly land it?

 

[zhangws55]

I would of thought I'd be best to just stop using it really it isn't worth my spark just dropping out of the sky. Or will it be warn me and slowly land it?

I think it wont let you take off in the first place. Not sure what would happen if it occurred during the flight though. You might find this thread helpful: Spark battery shows cell voltage error, and cannot take off

 

[H3Alpha]

I might keep an eye on it, but 0.06v difference (only 1.5%) is nothing that would concern me yet; it seems that 3% (.1v) or higher is a problem. It may just be that particular cell is wired closest to the contacts so it sees the drain slightly faster. Let it rest for 5-10 minutes, and check it again; it may very well even out.