Mighty Max Battery YTX5L-BS 12V 4Ah Motorcycle Battery — 80 CCA AGM Sealed, Maintenance-Free

This maintenance-free absorbed glass mat (AGM) battery arrives factory-sealed and charged so you can install it immediately. Built on lead-acid chemistry with AGM technology, it delivers reliable starting power, resistance to vibration, and flexible mounting options. Compact dimensions and a sealed design make it a practical replacement for many small engines and seasonal machines.

How much cranking power and capacity does this battery provide?

The YTX5L-BS delivers 12 volts with a rated 4 amp-hour capacity and roughly 80 cold cranking amps (CCA), giving adequate starting energy for most small-displacement motorcycles, scooters, and personal watercraft. Its AGM construction supports strong discharge pulses required at startup.

• Voltage: 12V nominal for standard powersport electrical systems
• Capacity: 4 Ah for consistent short-run power and accessory support
• Starting: about 80 CCA suitable for small engines
• AGM design: stable output during high-load starts

What are the physical size and terminal details for fitment?

The battery is compact to fit tight battery boxes: approximately 4.40" long, 2.75" wide, and 4.25" tall. Terminal polarity is negative on the left and positive on the right when the terminals face you, which helps confirm compatibility before purchase.

• Dimensions: 4.40" x 2.75" x 4.25" — check your battery compartment clearance
• Polarity: negative left, positive right for proper hookup orientation
• Included: battery and terminal screws only; no harness or mount hardware
• Mounting: can be installed in various positions thanks to sealed design

How durable and low-maintenance is this sealed SLA/AGM battery?

As a sealed AGM battery, the YTX5L-BS is spill-proof and maintenance-free, eliminating the need to check electrolyte levels. The AGM construction is resilient to shock and vibration, and it tolerates a wide range of operating temperatures for seasonal and off-road use.

• Sealed design: no topping-up of fluids required
• Vibration resistance: suitable for off-road and sport use
• Temperature range: performs reliably in varied climates
• Rechargeable: recovers from deep discharge with appropriate chargers

What warranty and service should I expect?

Mighty Max Battery backs this model with a full one-year warranty, providing consumer protection against manufacturing defects. For long service life, pair it with a compatible smart charger and follow vehicle-specific charging recommendations.

• Coverage: one-year manufacturer warranty for defects
• Care: use an AGM-compatible charger to maximize lifespan
• Replacement fit: confirm model numbers and dimensions before ordering
• Support: contact Mighty Max Battery for warranty or technical help

Who is this for? The YTX5L-BS is ideal for riders and owners who need a compact, reliable, and maintenance-free replacement battery for motorcycles, scooters, ATVs, snowmobiles, jet skis, and other small powersport vehicles. It suits seasonal riders who want a sealed battery that can be left in place during storage, technicians seeking a standardized small-format battery for service, and owners who prefer a ready-to-install unit with dependable starting performance.