today when i surf on the internet on aliexpress in looking christmas lights i get ads about dji phantom 3 battery refurbished ,price is very good and opinion about sellers is good . My question this is real battery from dji ?  https://pl.aliexpress.com/item/DJI-Mavic-Baterii-Spark-Phantom-4-Serii-Phantom-3-Serii-Drone-Inteligentny-Lotu-Baterie-Odnowiony-Przez/32954101462.html?spm=a2g17.search0104.3.9.181a18bf5Hj6YQ&ws_ab_test=searchweb0_0%2Csearchweb201602_5_10065_10068_319_5735015_317_5734915_10696_5729415_10924_453_10084_454_10083_10618_10920_10921_10304_10922_10307_10820_10301_10821_537_536_5730515_10843_10059_10884_10887_100031_5735215_321_322_10103_5735115%2Csearchweb201603_1%2CppcSwitch_0&algo_pvid=034f9c5e-ddce-43e5-97a7-a20bb647d99a&algo_expid=034f9c5e-ddce-43e5-97a7-a20bb647d99a-1

Depends on what is replaced / refurbished ...

You cannot resurrect LiPo battery cells ... once they start to lose power - that's it. Nothing can be done.

But if the board or case is damaged - that can be sorted ...

Personally .... I would be extremely cautious of any repaired LiPo other than for example where a wire has been soldered back etc. I do this quite often where balance lead gets tugged of ... buts that about the limit.

Nigel

is very big difference in price new battery in my country costed  599 PLN = 158.55 USD on aliexpress refurbished  40 USD = 151.12 PLN and i thinking about but i dont have courage to risk and buy this battery

Take care with "not original"  Batteries

It is interesting how they fix them in China but it is a risk to fly over people and buildings on this China made   battery

Wow there were even refurbished battery, heard that for the first time

Nebuchadnezzar Posted at 11-25 12:02
Take care with "not original"  Batteries

Sorry but many 'not original' batterys are perfectly fine as many people know.

But I would certainly not be risking 'refurb' batterys !!  Unless it was actually replaced Cells in a used case / board ... even then I would be extremely wary.

Nigel

Official response from dji

Rafał J Posted at 11-26 10:07
Official response from dji  
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....... to be expected response.

DJI make good profits on their batterys and support items.

Ask BMW ... Volvo .... Mercedes if any 3rd party items are good ....

Anyway - Recycle is not same as Refurb .....

IMHO - don't touch refurb batterys.

Nigel

Rafał J Posted at 11-26 10:07
Official response from dji  
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The fact that the add claims the batteries are refurbished by DJI, but DJI says don't buy them makes me suspicious..

Personally not worth the savings vs the risk.
That savings could very easily cost you your drone..
Look for coupons and sales or buy a battery here and there if budget is tight.
I see it this way.... If you can fly a Phantom ($$), you can buy a real battery.