For iPhone XS Max AAA Quality High Capacity 3870mAh Replacement Battery NO BMS

AAA quality replacement battery for the iPhone XS Max with no BMS.
3870mAh capacity provides higher capacity than an original battery.
Remove the pop up battery change warning messages by attaching the battery original BMS and reprogramming with a tag on flex!
Spot welding and some technical knowledge is required to attach the BMS board.
Includes battery adhesive strips and BMS wrapping.