This is a generic, equivalent one, 100% compatible. This 3.88V 350mAh Replacement Li-ion battery is designed to compatible with Samsung Galaxy Watch4 Classic 46mm.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 3.88V
* Battery Capacity: 350mAh / 1.35Wh
* Condition: new, 1 Year Warranty!
* Easy Installation
* Battery is tested accurately before shipping
* Compound Li-ion Chip, Safer and More Reliable

Compatible Part Numbers:
EB-BR890ABY, 1ICP5/25/23

Compatible Model:
For Samsung Galaxy Watch4 Classic 46mm SM-R890, SM-R890NZKAXAA, SM-R890NZKCXAA, SM-R890NZSAXAA,
For Samsung Galaxy Watch4 44mm SM-R870 Smartwatch, SM-R870NZKCXAA, SM-R870NZKAXAA, SM-R870NZGAXAA, SM-R870NZSCXAA, SM-R870NZSAXAA

Package Included:
1 x 3.88V 350mAh Replacement Battery for EB-BR890ABY Samsung Galaxy Watch4 Classic 46mm