Mighty Max Battery ML-U1 12V 200CCA Lawn Tractor & Mower Battery — AGM Maintenance-Free, Craftsman 25780 Fit

The Mighty Max ML-U1 is a sealed 12V, 200 CCA rechargeable battery engineered to replace the Craftsman 25780 battery in lawn tractors and mowers.

Built as an SLA/AGM maintenance-free battery, the ML-U1 combines a compact footprint with robust cold-cranking ability and deep-discharge recovery. It is designed for outdoor power equipment that demands reliable starting power and durable construction against vibration and temperature extremes. This listing includes the battery and mounting screws only; no wiring harness or extra mounting accessories are supplied.

Will this battery fit my Craftsman 25780 mower?

Yes — the ML-U1 matches the physical size and terminal layout used by many Craftsman 25780 applications. Confirm your mower’s battery compartment dimensions and terminal orientation before purchase.

• Dimensions: 7.62" (length) x 5.00" (width) x 7.00" (height)
• Polarity: positive terminal on the left, negative on the right
• Includes mounting screws; no harness or mounting brackets included

How does the ML-U1 perform in cold starts and heavy use?

The ML-U1 delivers 200 Cold Cranking Amps (CCA), providing stronger starts in lower temperatures compared with lower-CCA units. Its AGM construction supports higher discharge rates and improved recovery after deep draws, giving dependable starts after storage or multiple start cycles.

• 200 CCA for improved cold-weather starting
• AGM/SLA design for high discharge and recovery
• Works across a wide temperature range for seasonal use

Can I mount this battery anywhere and what about durability?

The ML-U1 is a sealed, spill-proof battery and can be installed in many orientations, which helps with flexible placement inside compact compartments. Its construction resists shocks and vibration typical of lawn tractor operation, and the sealed design reduces maintenance needs.

• Sealed SLA/AGM construction — no watering or regular maintenance
• Mountable in multiple positions for flexible fitment
• Engineered to withstand vibration and rough terrain

What’s included and what warranty do I get?

This purchase covers the ML-U1 12V battery and the screws needed for mounting; electrical harnesses, brackets, or boat/trailer hardware are not part of the sale. A one-year limited warranty protects against manufacturing defects for normal use.

• Included: ML-U1 12V 200CCA battery and mounting screws
• Not included: wire harness, mounting brackets, or extra accessories
• Warranty: full one-year coverage from Mighty Max Battery

Who is this for: The Mighty Max ML-U1 is tailored for homeowners and landscapers needing a compact, maintenance-free replacement battery for Craftsman 25780-compatible lawn tractors and mowers. It suits users who want a spill-proof AGM battery with solid cold-start performance and vibration resistance, plus a one-year warranty for peace of mind. Verify compartment dimensions and terminal orientation before ordering to ensure a correct fit.