Endurance and lab tested to provide long, reliable performance in a heavy-duty O.E.M.-style case, the Shocker Gel Batteries from Twin Power™ are the next generation of batteries. Featuring nano-gel technology that's factory-activated and sealed, the...

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.This Part Fits:YearMakeModelSubmodel2018-2021Harley-DavidsonFLHC Heritage Classic...

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.This Part Fits:YearMakeModelSubmodel1996Harley-DavidsonFLHRI Road KingBase1980-1984,1987-1993Harley-DavidsonFLHS...

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.This Part Fits:YearMakeModelSubmodel1986-1990Harley-DavidsonFLST Heritage SoftailBase1988-1990Harley-DavidsonFLSTC...

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.This Part Fits:YearMakeModelSubmodel2021-2023Harley-DavidsonRA1250 Pan America...

Twin Power™ Shocker™ Batteries are endurance and laboratory tested for long and reliable performance with a heavy-duty O.E.M.-style case.This Part Fits:YearMakeModelSubmodel2002-2006Harley-DavidsonVRSCA V-RodBase2007Harley-DavidsonVRSCAW...

The Twin Power™ Premium MAX Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer extreme vibration resistance, heavy-duty terminals and...

The Twin Power™ High-Performance Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer extreme vibration resistance, heavy-duty terminals and...

The Twin Power™ High-Performance Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer extreme vibration resistance, heavy-duty terminals and...

The Twin Power™ High-Performance Factory-Activated AGM Batteries are the most advanced lead-acid type battery available. Supplied factory-activated, filled, sealed and charged, these batteries offer extreme vibration resistance, heavy-duty terminals and...

Designed for dual battery systems, the Battery Isolator Kit connects between batteries only, no alternator or ignition connections required. Protects electronics during start up and saves the charge on the starting battery, while using electrical devices