Yuasa YUAM320BS YTX20L-BS Maintenance Free AGM Battery with Acid Pack

Overview

The Yuasa YUAM320BS YTX20L-BS is a maintenance-free AGM battery designed for riders who value dependable power with minimal upkeep. It combines advanced lead-calcium technology with an absorbed glass mat that keeps the electrolyte contained, helping you stay ready for the next ride without frequent top-ups. The accompanying acid pack lets you activate the dry cell when you’re ready, offering a straightforward setup that fits a busy or seasonal riding schedule.

Key advantages at a glance

• Maintenance Free operation: no water additions required during normal use, with periodic charging advised if the vehicle sits unused.
• Extended stability: lead-calcium technology helps the electrolyte’s specific gravity stay balanced longer than conventional batteries.
• Nonspillable design: AGM separators keep electrolyte contained, and the valve-regulated construction minimizes water loss.
• Activation via Acid Pack: ‘Bottle Supplied’ packaging means the electrolyte is stored separately and added by the user when activating the battery.
• Compact size with solid spec: designed dimensions (175 mm x 87 mm x 155 mm) and 13.9 lb weight when filled with acid provide a practical fit for many vehicles.
• Solid starting performance: 18 Ah capacity with 270 CCA at 0 °F supports cold-start reliability in demanding conditions.

Real-world usage scenarios

Whether you’re prepping an ATV for weekend adventures, cruising a motorcycle on cooler mornings, or keeping a personal watercraft ready for the season, this battery aims to deliver steady power when you need it most. The VRLA design helps minimize maintenance interruptions, while the acid activation step is straightforward, enabling a quick setup after delivery.

Specifications and fitment notes

• Capacity: 18 Ah at 10-hour rate
• Regular charging current: 1.8 A
• Cold-cranking amps: 270 CCA @ 0 °F
• Dimensions: 175 mm (L) x 87 mm (W) x 155 mm (H)
• Weight: 13.9 lb with acid

Applications span a wide range ofATVs, motorcycles, and watercraft, reflecting Yuasa’s focus on versatility and reliability. While not a universal replacement for every model, the YUAM320BS is a solid option for riders seeking a maintenance-free AGM battery with a practical activation process and strong cold-weather performance. If you’re evaluating batteries for seasonal use or vehicles that spend time in storage, consider how the combined features—ease of activation, spill-free design, and robust starting power—align with your riding routine and storage habits.