Mighty Max Battery 12V 320 CCA U1 AGM Rechargeable Lawn & Garden Battery — Nut‑and‑Bolt Terminals, High‑Rate Pure‑Lead

The ML-U1-CCAHR is a 12‑volt, 320 CCA sealed AGM battery built with pure lead for reliable cold starts and rugged vibration resistance in lawn and garden equipment.

This compact, rechargeable sealed lead acid (SLA) battery combines advanced pure‑lead plates, absorbed glass mat separators, and a nut‑and‑bolt (NB) terminal layout to deliver consistent starting power and long service life for tractors, zero‑turn mowers, and other outdoor machinery. The non‑spillable AGM design lets you mount the battery in nearly any orientation while safeguarding against leaks and improving shock tolerance. Designed to fit a wide range of consumer and commercial mowing platforms, the ML‑U1‑CCAHR offers high discharge capability, deep discharge recovery, and dependable performance across temperature extremes.

How does this battery improve starting performance for lawn tractors?

The ML‑U1‑CCAHR provides 320 cold cranking amps (CCA) and low internal resistance, which together supply strong, rapid current to the starter motor for reliable ignition. Pure virgin lead plates and increased plate compression help maintain output under heavy load and repeated cranking.

• 320 CCA rating for consistent cold‑weather starts
• Low internal resistance for faster current delivery
• High plate compression for extended cycling and durability

Can I install this battery in different positions and rugged environments?

Yes—its AGM, non‑spillable construction allows flexible mounting orientation, increasing installation options. The battery’s tough separators and reinforced cell composition reduce vibration damage, making it suitable for bumpy terrain and frequent use.

• Non‑spillable AGM design supports versatile mounting
• Up to 20× improved vibration resistance versus conventional cells
• Wide operating temperature range for seasonal use

What size and terminal layout should I expect for fitment?

Physical dimensions are compact to fit many riding mowers and garden tractors while maximizing capacity. This model uses nut‑and‑bolt terminals with positive on the left and negative on the right—confirm these details against your machine’s battery tray and cable configuration before ordering.

• Dimensions: 7.75" × 5.11" × 6.25" (L × W × H)
• Positive terminal on left, negative on right (nut & bolt style)
• Listing includes battery and terminal screws only; no harness or mounts

Which machines are compatible with the ML‑U1‑CCAHR?

This battery suits a broad set of lawn and garden brands and models that require a 12V 320 CCA or similar U1 profile battery. It’s commonly used in mid‑size ride‑on mowers, zero‑turns, and certain compact tractors—match the physical size, terminal type, and CCA to your original battery for best results.

• Compatible with Craftsman, Cub Cadet, Husqvarna, Toro, Ariens and similar mowers
• Fits many U1‑profile ride‑on and garden tractors
• Useful replacement for units requiring high discharge and deep‑cycle recovery

Who this is for: The ML‑U1‑CCAHR is aimed at homeowners, landscapers, and small‑engine technicians who need a maintenance‑free replacement battery that balances starting power, vibration tolerance, and flexible mounting. Choose this model if you operate mid‑size ride‑on mowers or zero‑turn machines that demand reliable cold cranking, frequent service intervals, and a battery that resists shocks and spills during heavy outdoor use.