Be careful of a lot of fraud and mis-advertising. Lot of individuals try to sell you higher capacity batteries that are pure junk. I would just stick with the stock DJI ones unless you want to waste your money.
I won't be buying from AliExpress again. I've had a couple of bad experiences with DJI accessory vendors in the past month. Getting your money back when the supplied item turns out to be not as described is a nightmare. Their favourite trick is to keep you in messages until your automatic refund window has closed. The attached conversation lasted more than three weeks.