An original OnePlus 3 battery looks like this : r/oneplus
For 1+ OnePlus 7T Pro Battery BLP745 Replacement Tool USA | eBay
Blp613 3000mah Phone Battery For Oneplus 3 One Plus 1+3 Battery For Onplus 3t 3 T A310 Battery Replacement Blp633 - Mobile Phone Batteries - AliExpress
OnePlus 3 Vs OnePlus 3T: Is Is Worth the Upgrade?
OnePlus 3 Vs OnePlus 3T: Is Is Worth the Upgrade?
Here's how to replace your smartphone's battery - Android Authority