Compatible with original simplehuman ST3004 battery. HOW TO REPLACEMENT THE BATTERY: The mirror is glued on the product with double-sided adhesive, Use a hair dryer to heat the glass mirror surface and to remove the mirror, then to replacement the battery. The capacity of 3000mAh is 1.5 times that of the ST3004 original battery 2000mAh, longer battery life. Plug and play, Lithium Polymer rechargeable battery 3000mAh, 4.25V Scn-024 battery. Compatible with simplehuman ST3010, 5" Sensor Makeup Mirror, 10x Magnification - Rose Gold. 3.7v 3000mAh battery for st3010 sensor makeup mirror. 3.7v lipo battery 3000mah for st3010 sensor makeup mirror. Packing List
3000mAh battery x 1,

HOW TO REPLACEMENT THE BATTERY:
The mirror is glued on the product with double-sided adhesive, Use a hair dryer to heat the glass mirror surface and to remove the mirror, then to replacement the battery.
Thank you!