Yuasa YT14B-BS AGM Motorcycle Battery (YUAM624B4) — 12 Ah, 210 CCA, Dry with Acid Pack

The Yuasa YUAM624B4 YT14B-BS is a maintenance-free Absorbed Glass Mat (AGM) battery supplied dry with an acid pack for on-demand activation and reliable cold-cranking performance.

Built with advanced lead-calcium technology and valve-regulated AGM construction, this Yuasa battery is designed to hold charge longer than conventional lead-antimony types while eliminating the need for water top-ups. It ships in a bottle-supplied (BS) dry state so you fill it with the included electrolyte when you’re ready to install, reducing storage and shipping restrictions. Compact and robust, it delivers 210 C.C.A. at 0 °F (-18 °C) and a 12 Ah capacity at the 10-hour rate, making it suitable for many motorcycles, ATVs and powersport machines.

How do I activate the battery and what comes in the box?

Activation is straightforward: remove the protective seals, pour the supplied acid pack into the battery, let it stand per Yuasa instructions, then charge before installing. The bottle-supplied format allows safe storage until the battery is needed.

• Included: Yuasa YUAM624B4 (dry AGM) and plastic electrolyte bottle (acid pack).
• Steps: pour electrolyte, let the battery sit to absorb, then perform initial charge.
• Benefits: longer shelf life and safer transport compared to pre-filled batteries.

What are the key electrical and physical specifications?

This YT14B-BS model offers a 12 Ah capacity (10HR) and 210 C.C.A. at 0 °F, suitable for starting and accessory loads on mid-displacement bikes. Its recommended regular charge current is 1.2 A to preserve life and balance cells.

• Capacity: 12 Ah (10-hour rate).
• Cold Cranking Amps: 210 C.C.A. @ 0 °F (-18 °C).
• Charge current: regular charge around 1.2 A.
• Dimensions: 150 mm L × 70 mm W × 145 mm H; weight with acid approx. 11.8 lbs.

What maintenance and storage practices will extend its service life?

Although AGM construction minimizes water loss and the battery is maintenance-free when filled, periodic charging during long storage is important. Keep the battery charged to avoid deep discharge and store in a cool, dry place if not installed immediately after activation.

• Use a smart charger to maintain charge without overcharging.
• Charge periodically if the vehicle is unused for long periods.
• Avoid extreme heat or freezing; AGM tolerates vibration better than wet cells.

Will this battery fit my vehicle and what should I check before buying?

Confirm terminal layout, dimensions and CCA requirements against your vehicle’s manual; YT14B-BS is compact but verify fit within the battery tray and clearance for cables. Also check polarity and connector type to ensure direct replacement.

• Measure battery tray and compare to 150 × 70 × 145 mm dimensions.
• Verify CCA and Ah meet or exceed manufacturer recommendations.
• Check that terminal positions and polarity match your application.

Who is this for: Riders, mechanics and powersports hobbyists who want a reliable, nonspillable starting battery with easy long-term storage. The Yuasa YUAM624B4 YT14B-BS suits motorcycles, scooters, ATVs and utility machines that need a compact AGM battery with good cold-start capability and low upkeep when activated and maintained with a proper charging routine.