Mighty Max Battery 12V 12Ah Motorcycle/ATV AGM Battery YB12A-A — 165 CCA, Maintenance-Free

The Mighty Max Battery YB12A-A is a sealed, maintenance-free 12V 12Ah AGM battery delivering 165 CCA power for motorcycles, ATVs, jet skis and other small powersports vehicles, ready to install right out of the box.

This compact sealed lead-acid battery uses absorbed glass mat (AGM) technology to provide reliable starting power, durable vibration resistance and flexible mounting options. It ships charged and sealed — no watering or routine maintenance is required — and is built to tolerate a wide range of temperatures and operating conditions common in powersports and small-engine applications.

How does this battery perform for daily riding and starting?

The YB12A-A produces 165 cold cranking amps for strong starts and maintains steady output across frequent charge and discharge cycles. AGM construction supports high discharge rates and rapid recovery after deep draws, making it suitable for vehicles that demand dependable starting power.

• 165 CCA for dependable cold starts
• 12V 12Ah capacity for day-to-day use and short trips
• AGM design helps recover from deep discharges

What are the size and installation details I should know?

Compact dimensions (5.24" x 3.15" x 6.10") make this battery a fit for many motorcycles, ATVs, snowmobiles and personal watercraft. Polarity is negative on the right and positive on the left when viewed from the terminals; the listing includes the battery and mounting screws only.

• Dimensions: 5.24" x 3.15" x 6.10" for small battery compartments
• Polarity: negative terminal on the right, positive on the left
• Includes: battery and screws — no harness or extras

Can I mount it in different orientations and expect long life?

Yes — the sealed AGM chemistry allows installation in various positions without leaking. The battery resists shocks and vibration typical of powersports use, and it’s manufactured for long service life under both high and low temperature conditions.

• Sealed, spill-proof design for flexible mounting positions
• Engineered to withstand vibration and rough terrain
• Performs in a wide temperature range for seasonal use

What warranty and care are provided?

The battery comes already charged and is maintenance free; no regular water top-ups are necessary. A full one-year warranty backs manufacturing defects, and routine charging with an appropriate charger when not in use will preserve battery life.

• Comes pre-charged and ready to install
• Maintenance-free — no watering required
• Full one-year warranty for peace of mind

Who is this for: riders and owners of motorcycles, ATVs, personal watercraft, jet skis and snowmobiles who want a dependable, compact, maintenance-free battery with strong starting power and rugged AGM construction. Choose this battery if you need a sealed unit that fits small compartments, tolerates vibration, and is ready to install immediately.