![Amazon.com: uxcell 20Pairs 18650 Battery Negative to Positive Conversion Spring Contact Nickeling Plate 16.5mmx16mm : Electronics Amazon.com: uxcell 20Pairs 18650 Battery Negative to Positive Conversion Spring Contact Nickeling Plate 16.5mmx16mm : Electronics](https://m.media-amazon.com/images/I/51hJ6Qd7UiL.jpg)
Amazon.com: uxcell 20Pairs 18650 Battery Negative to Positive Conversion Spring Contact Nickeling Plate 16.5mmx16mm : Electronics
![Help identifying this battery. It is an 18650 but both positive and negative terminals are on the same end. It is for a bike light. Does it have a special name? : Help identifying this battery. It is an 18650 but both positive and negative terminals are on the same end. It is for a bike light. Does it have a special name? :](https://i.redd.it/b2d2r97c09r91.jpg)
Help identifying this battery. It is an 18650 but both positive and negative terminals are on the same end. It is for a bike light. Does it have a special name? :
![coping with 18650 batteries with and without button tops - Roger Frost: science, sensors and automation coping with 18650 batteries with and without button tops - Roger Frost: science, sensors and automation](https://www.rogerfrost.com/wp-content/uploads/2020/11/IMG_20201124_165533-1024x484.jpg)
coping with 18650 batteries with and without button tops - Roger Frost: science, sensors and automation
![The typical structure of the 18650 battery cap. If the vent function... | Download Scientific Diagram The typical structure of the 18650 battery cap. If the vent function... | Download Scientific Diagram](https://www.researchgate.net/publication/327162650/figure/fig1/AS:662481236140034@1534959243637/The-typical-structure-of-the-18650-battery-cap-If-the-vent-function-works-well-during.png)