Twin Power Shocker batteries are endurance and laboratory tested for long, reliable performance in a heavy-duty OEM-style case. Absorbed Glass Mat construction with extra-thick plates delivers strong cranking power and high vibration resistance.

Fitment

• Harley-Davidson Softail: 1997-2025, all models including Milwaukee-Eight
• Harley-Davidson Dyna: 1997-2017, all models
• Harley-Davidson Sportster: 1997-2003
• Harley-Davidson V-Rod (VRSC): 2007-2017
• Replaces Harley-Davidson OEM battery 65989-97A

Features

• Heavy-duty OEM-style case for a direct factory-style fit
• Sealed, maintenance-free design
• Flush-mount threaded terminals; no adaptors or spacers required
• Extra-thick plates for high vibration resistance

What's Included

• One factory-activated, sealed battery
• Flush-mount terminal hardware

Installation Notes

Supplied factory activated, filled, sealed and charged. No filling or acid handling is required. Verify a full charge before first installation and maintain with an AGM-compatible charger.

Specifications

• Group size: YTX-20HL
• Voltage: 12V
• Cold cranking amps: 310 CCA
• Chemistry: AGM (Absorbed Glass Mat)
• Harley-Davidson OE reference: 65989-97A