Any of the Amazon listings will do, this is the one I used: https://www.amazon.com/dp/B07V26R2Q3/ref=cm_sw_r_cp_apa_i_fK2DFbG2BZP6C It's sold out right now but goes in stock on the 16th if you're willing to wait. But again, any of the options on Amazon should be fine. And just a bit of heat around the edges + a good suction cup should do the trick. Use less heat on the top because that's where display separation issues occur the most.

This was the listing I got it from: https://www.amazon.com/dp/B07V26R2Q3/ref=cm_sw_r_cp_apap_E8cTgabbKYiFX

But it's sold out right now. This one should do just fine: https://www.amazon.com/dp/B07TBCTSQ1/ref=cm_sw_r_cp_apa_i_3VPAFb3XES3XZ

Swark Battery HE323 Compatible with Essential Phone PH-1 A11 with Tools https://www.amazon.com/dp/B07V26R2Q3/ref=cm_sw_r_other_apa_i_5zwREbSXPGFCP