At DMG Motorsports, we present the HardDrive Premium Battery GYZ20HLA — the ultimate power upgrade engineered specifically for Indian motorcycle riders who refuse to compromise. Built around the proven GYZ20HL platform, this 12-volt, 20Ah AGM powerhouse delivers 320 Cold Cranking Amps to fire up your Roadmaster, Chieftain, or other Indian touring model with authority, in any weather or season. Factory-activated and completely sealed right out of the box, it's the no-hassle, drop-in solution that keeps you focused on the road ahead — not on battery maintenance. Whether you're loaded down with accessories like lighting, audio, and GPS, or simply looking for a more capable replacement, the HardDrive GYZ20HLA is built to power it all.

Features:

• 12V / 20Ah AGM Battery: Absorbed Glass Mat (AGM) separators with superior grid and component designs deliver one of the most powerful outputs in the powersports battery segment.
• 320 Cold Cranking Amps (CCA @ 0°F / -18°C): Reliable, strong starting power in cold weather and demanding conditions.
• Factory Activated & Sealed: Filled with electrolyte, sealed, and charged at the factory — arrives ready to install with no acid filling required and a non-spillable design.
• Maintenance-Free Design: Valve-regulated construction eliminates water loss and the need for ever adding water, keeping upkeep to a minimum.
• Advanced Lead-Calcium Technology: Holds specific gravity more than 3× longer than conventional lead-antimony batteries, meaning longer periods between charges during storage or standby use.
• Extreme Vibration Resistance: Enhanced active material and separator compounds are engineered to withstand vibration, heat, and road shock — prolonging battery life and dependability.
• Heavy-Duty Flush-Mount Terminals with Built-In Brass Nuts: Large, flush-mounted terminals provide multiple connection points and built-in brass nuts for superior conductivity and a secure, vibration-resistant connection.
• Improved Charge Recovery: Superior capability to recover from deeply discharged conditions gets you back on the road faster.
• Ideal Indian Motorcycle Upgrade: A top-recommended upgrade for Indian Roadmaster and Chieftain models, with the capacity to support accessories like GPS, audio systems, and custom lighting.
• Made in the U.S.A.
• Dimensions: L: 6⅞ in (175 mm) × W: 3⁷⁄₁₆ in (87 mm) × H: 6⅛ in (155 mm) | Weight: 15.7 lbs