Mighty Max Battery 12V 18AH SLA/AGM Replacement Battery ML18-12 — Sealed, Maintenance-Free for Field & Brush Mowers

The Mighty Max ML18-12 is a 12V 18AH sealed lead‑acid (SLA/AGM) rechargeable battery built for equipment like DR Field and brush mowers, offering maintenance‑free power and durable construction.

This compact SLA battery delivers steady 12-volt output with an 18 amp‑hour capacity and is UL certified for safety. It’s a maintenance‑free, sealed AGM design that tolerates a wide temperature range, handles high discharge rates, and can be mounted in any orientation. The unit ships with mounting screws and a nut‑and‑bolt terminal, but does not include wire harnesses or additional mounting hardware.

How will this battery perform in outdoor power equipment?

The ML18-12 is designed to withstand the demands of outdoor tools such as field mowers and brush cutters. Its AGM construction resists spills and vibration for dependable starts and run time during tough jobs.

• High discharge capability for motor‑driven loads
• Durable against shocks and vibration common in outdoor gear
• Operates across a broad temperature range for seasonal use
• Sealed design eliminates the need for water top‑ups

What are the physical specs and connection details?

The battery measures approximately 7.12" x 3.00" x 6.50" and uses a nut‑and‑bolt terminal configuration for secure attachment. Check your equipment’s battery compartment and terminal orientation before ordering to ensure compatibility.

• Dimensions: 7.12 in (L) x 3.00 in (W) x 6.50 in (H)
• Terminal style: nut and bolt (screws included)
• Listing includes battery and fastening screws only
• No wire harnesses or external mounts supplied

How should I handle charging and maintenance?

This sealed AGM battery is maintenance‑free: there’s no need to add water or perform electrolyte checks. Use a compatible 12V SLA/AGM charger and follow the charger manufacturer’s recommended charge profile to maximize life.

• Recharge with a 12V SLA/AGM charger for best results
• Avoid extreme prolonged deep discharges to preserve cycles
• Store charged in a cool, dry location when not in use
• One‑year limited warranty covers manufacturing defects

Who is this for? The Mighty Max ML18-12 suits owners and technicians who need a reliable, service‑free replacement battery for DR Field and brush mowers, small outdoor machines, or backup power applications that require compact 12V 18AH SLA performance. It’s especially appropriate for users who prioritize a sealed, vibration‑resistant battery that installs easily and operates over a wide temperature range.