Unlock unparalleled power and performance with the Duraboost® Lithium-Ion Motorcycle Batteries. Made for American V-Twin Motorcycles, Duraboost® batteries are the ultimate solution for powering your ride. Their advanced on-board management and monitoring system ensures optimal performance and reliability. The over discharge protection will stop the battery from draining beyond repair due to the modern on-board security systems found on most modern Harley models. Featuring tons of power, these batteries offer serious Cold Cranking Amps making easy work of high horse power engines. These batteries also feature OEM case sizes, and brass 2 position terminals which make them easy to install. If you demand the best, demand Duraboost®.