3.7V Rechargeable Li Polymer Battery LP502035 300mAh With Protection Circuit and Wires
3.7V Rechargeable Lithium ion Battery LP18650A+ 3500mAh With PCM and JST XHP-2 Connector
DC 3.7V 1600mAh 103048 li-ion Lithium Ion Polymer Battery Replacement for DIY Bluetooth Speaker Energy Storage LED Light Fan Hold Gift: Amazon.co.uk: Electronics & Photo
EEMB Lithium Polymer battery 3.7V 150mAh 401730 Lipo Rechargeable Battery Pack with wire Molex Connector for VXI Blue Parrott - confirm device & connector polarity before purchase: Amazon.co.uk: Electronics & Photo
3.7v Lipo Li Polymer 4000mAh Rechargeable Battery For Tablet PC PDA PSP 124065
500mAh 3.7V LiPo Battery
3.7V Li-ion Polymer 900mAh, what is the 3rd wire for? Trying to find a replacement but higher mAh, seems like almost all only have a + & - wire : r/diyelectronics