Varta develops batteries for Porsche
https://ca.news.yahoo.com/varta-supply-high-performance-battery-172357476.html?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmRlLw&guce_referrer_sig=AQAAADiB71ju0NCoZDhg5L2M4-Tnnct5IOAUlVU62sYprn6kROq_qgXoj-a2Gtj27K5Nx9P_ljZfnge2MX6WQBy2Y0i9RZWIBzcl034DjXd2V3oljB3AEhkVd_BMbONORxmU2rFE40XRnfwP6Nqfge6HFe-r4saThyGcEZiGFBFw76ZO