Are batteries backward compatible?

[Supercell]

Hi, I'm new to the forum and to drone flying.
I hope someone can help. Sorry if this is posted in the wrong part of the forum.

I have a Phantom 1 with dead batteries and would love to get it flying.

I have thought about market batteries: Aliexpress. But they are PH2 Batteries.

https://www.aliexpress.com/item/1005005534557825.html?spm=a2g0o.cart.0.0.1d2d38damleXQX&mp=1&pdp_npi=5%40dis%21NZD%21NZD%2089.39%21NZD%2066.15%21%21NZD%2066.15%21%21%21%402103010b17475202754433715e3cbc%2112000033444144473%21ct%21NZ%21135014645%21%211%210

Does anyone have any experience with these batteries and know if they are backward compatible?
I would also welcome any recommendations on whether this is a good idea or not, before i buy them.

I am based in New Zealand. Any assistance would be gratefully recieved.

Thank you in advance
Rick