This one of the reasons why some batteries cost more: their cases are molded better around the lead posts, creating a better seal. These leak acid around the posts, corroding the vehicle's terminals, bodies, and everything else.
http://www.batteryfaq.org/ 
![duraleaks.jpg This one of the reasons why some batteries cost more: their cases are molded better around the lead posts, creating a better seal. These leak acid around the posts, corroding the vehicle's terminals, bodies, and everything else.
[url=https://www.supermotors.net/registry/media/1161048][img]https://www.supermotors.net/getfile/1161048/thumbnail/battbrands.jpg[/img][/url]
http://www.batteryfaq.org/](https://www.supermotors.net/getfile/1127068/fullsize/duraleaks.jpg)