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 Shocker Gel Batteries go beyond AGM technology. Easily mounts in any position, without the need for terminal adaptors or spacers.

• Widest operating temperature range with best cold start capability
• Flush mount threaded posts with dual connection points
• Superior vibration and impact resistance
• Highest resistance to sulfation
• Superior deep-cycle life
• Replaces H-D® 66010-97A