This male plug fits comfortably into the female lighter socket and has a spring-loaded positive terminal to improve connection and an easy-to-see LED Power Indicator so that you can test your battery.
![Battery Tester with Cigar Plug](http://tgmoverland.com/cdn/shop/products/BSP00401_{width}x.jpg?v=1644382685)
This male plug fits comfortably into the female lighter socket and has a spring-loaded positive terminal to improve connection and an easy-to-see LED Power Indicator so that you can test your battery.