Yuasa YTX20HL-BS High Performance AGM Battery (Bottle Supplied) - YUAM620BH

The Yuasa YTX20HL-BS High Performance AGM Battery (YUAM620BH) is a 12-volt, maintenance-free absorbed glass mat battery engineered to deliver higher cranking amps for motorcycles and powersports vehicles that demand serious starting power. Whether you're running a heavily accessorized touring bike, a big-twin cruiser, or any application where reliable cold-start performance is non-negotiable, this Fresh Pack Yuasa AGM battery ships with the electrolyte bottle included so it arrives ready to activate and install.

Key Features & Benefits

• Higher Cranking Amps: The YTX20HL-BS is specifically designed to deliver higher cranking amps than a standard battery in its class, giving riders the extra starting grunt needed for larger-displacement or heavily accessorized engines.
• AGM (Absorbed Glass Mat) Technology: The sealed AGM design means no free electrolyte to spill, making it safer to mount in a variety of orientations and eliminating the need for periodic water top-offs — true maintenance-free operation.
• Fresh Pack with Bottle Supplied: Yuasa ships this battery dry-charged with the electrolyte bottle included. You fill and activate before first use, ensuring maximum shelf life and peak initial capacity from day one.
• 12-Volt / 18 Ah Capacity: Rated at 18 Ah (10-hour rate) and 12 volts, this battery is sized for demanding powersports applications where a standard-output battery may fall short.
• Maintenance-Free Operation: Once activated and sealed, the battery requires no electrolyte checks or refills, reducing long-term ownership hassle.
• Yuasa Battery Brand Reliability: Yuasa is one of the most recognized names in powersports batteries, trusted by OEM manufacturers and aftermarket riders alike for consistent performance and longevity.

Specifications

• Part Number: YUAM620BH
• Battery Type: YTX20HL-BS
• Battery Family: Fresh Pack, Maintenance Free
• Voltage: 12V
• Capacity (10-HR Rate): 18 Ah
• Dimensions: 6 7⁄8 in. L × 3 7⁄16 in. W × 6 1⁄8 in. H
• Cell Composition: Lead Acid AGM
• Electrolyte Bottle: Included

Fitment

The YTX20HL-BS is a widely used battery size in the powersports industry, commonly fitted to larger-displacement motorcycles including many Harley-Davidson touring and cruiser models, as well as other big-twin applications that specify the YTX20HL-BS battery group size. Because fitment can vary by year, trim, and configuration, we strongly recommend verifying your vehicle's battery group size in your owner's manual or service documentation before ordering. If you have any questions about whether the YUAM620BH is the right fit for your specific motorcycle, our team at ThreePiece.us is ready to help confirm compatibility before you buy.

What's in the Box

• 1× Yuasa YTX20HL-BS High Performance AGM Battery (dry-charged)
• 1× Electrolyte bottle (for activation)

Why Buy from ThreePiece.us

At ThreePiece.us, we make it easy to get the right battery for your ride without the guesswork. Every order ships free — no minimums, no surprises at checkout. Need to spread out the cost? We offer financing through Affirm, so you can get back on the road now and pay over time. Our team is here to help with fitment questions before you order, so you can shop with confidence knowing the Yuasa YUAM620BH you're adding to your cart is the right part for your motorcycle.

Frequently Asked Questions

Q: Does this battery come ready to install, or do I need to do anything before use?
A: The Yuasa YTX20HL-BS is a Fresh Pack battery, meaning it ships dry-charged with the electrolyte bottle included. You'll need to fill the battery with the supplied electrolyte and allow it to stand before sealing and installing. This process ensures the battery reaches its full rated capacity from the very first use.

Q: What battery group size does this replace?
A: This battery is the YTX20HL-BS group size — a 12V, 18 Ah AGM battery. Always confirm your vehicle's OEM battery specification matches YTX20HL-BS before ordering to ensure a proper fit.

Q: Is this battery truly maintenance-free after activation?
A: Yes. Once activated with the supplied electrolyte and properly sealed, the AGM design requires no periodic electrolyte checks or water additions. It's a sealed, maintenance-free battery for the life of the unit.

Q: How does shipping and financing work on this order?
A: ThreePiece.us provides free shipping on every order. Affirm financing is also available at checkout if you'd prefer to split the purchase into installments.