CR3032 Lithium Battery for the Movement Sensor Pad - AC017, AC117, AC417, AC517 Monitors
Source 10 years cycle life 3v Button Cells Cr3032 Battery on m.alibaba.com
Lithium Battery 3.0V Cr3032 with Pin 600mAh Button Battery for Electronic Shelf Label & Iot Products Made in China by Lisun Battery Maufacturer - China Button-Type Battery, Lithium Battery with Wire&Connector