Lithium Ion Polymer Battery - 3.7v 500mAh : ID 1578 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits
3pcs/lot 14500 500mah 3.7V lithium ion rechargeable battery with NTC three wires - Price history & Review | AliExpress Seller - Tewaycell Store | Alitools.io
Lithium Ion Polymer Battery – 3.7v 500mAh
Lithium Polymer Battery LP802231 3.7V 500mAh 1.85Wh with PCM and wires 30mm
3.7v 500mAh LiPo Li Polymer Rechargeable Battery For Headphone GPS Camera 801738 | eBay