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The Mighty Max ML18-12 12V 18Ah SLA AGM Battery provides dependable rechargeable power for a wide range of compatible equipment. It combines sealed lead-acid construction with Absorbent Glass Mat technology for reliable and maintenance-free operation. In addition, its 18Ah capacity makes it suitable for applications that require dependable backup or cyclic power.
Reliable 12V 18Ah Power
The Mighty Max ML18-12 provides a nominal voltage of 12 volts and a rated capacity of 18Ah. Therefore, it offers substantial energy storage for many backup power and portable equipment applications.
The battery uses a heavy-duty calcium-alloy grid. This construction supports reliable performance and service life in both float and cyclic applications. As a result, users can install the battery in standby equipment or systems that require repeated charging and discharging.
Sealed AGM Technology
Absorbent Glass Mat technology keeps the electrolyte contained within the battery. Therefore, the battery does not require routine water maintenance.
Its valve-regulated construction also supports operation in many enclosed and indoor environments. Moreover, the sealed design provides a convenient alternative to traditional flooded lead-acid batteries.
Nut and Bolt Terminals
This model uses Nut and Bolt (NB) terminals. These terminals provide a secure connection for compatible cables and equipment.
However, terminal configuration plays an important role when choosing a replacement battery. Always compare the terminal style, voltage, capacity, and physical dimensions with the original battery before ordering.
Key Features
- 12V rechargeable sealed lead-acid battery
- 18Ah rated capacity
- SLA and AGM battery technology
- Nut and Bolt (NB) terminals
- Valve-regulated construction
- Maintenance-free design
- Heavy-duty calcium-alloy grid
- Supports float and cyclic applications
- Suitable for enclosed and indoor environments
- Compact rechargeable power solution
- Approximately 11.90 lb weight
- One-year manufacturer warranty
- Designed for a wide range of compatible equipment
Dimensions and Specifications
The Mighty Max ML18-12 measures approximately 7.12 inches long, 3.00 inches wide, and 6.50 inches high. The battery weighs approximately 11.90 pounds.
Its compact rectangular design allows installation in many compatible battery cabinets and equipment enclosures. Nevertheless, buyers should measure the available installation space before selecting a replacement.
Common Applications
This rechargeable SLA battery supports a wide variety of applications. For example, Mighty Max lists consumer electronics, electric vehicles, engine starters, golf carts, lawn and garden tools, medical mobility equipment, motorcycles, power sports equipment, portable tools, solar systems, toys, and hobby equipment.
The battery can also support access control devices, emergency lighting, security equipment, and other compatible backup power applications.
Replacement and Compatibility
Before replacing an existing battery, confirm that the equipment requires a compatible 12V 18Ah sealed lead-acid battery. Also, verify the Nut and Bolt terminal configuration and physical dimensions.
Use a charging system designed for compatible SLA/AGM batteries. In addition, follow the equipment manufacturer’s charging, installation, and replacement instructions.
Overall, this Mighty Max rechargeable battery provides a practical solution for equipment that requires dependable 12V power. Its 18Ah capacity, AGM technology, maintenance-free construction, and secure Nut and Bolt terminals make it suitable for many backup and cyclic power applications.



