Marine Certified 48-Volt Elite Series Alternator
Reliable High-Output Power for Harsh Marine Environments
The Mechman Marine Certified 48-Volt Elite Series Alternator delivers the same industry-leading performance and robust output as our original Elite Series, now specially engineered to meet the demanding conditions of marine environments. Designed for vessels requiring powerful and consistent DC charging, this alternator is ideal for 48-volt lithium battery banks, high-draw accessories, and mission-critical marine systems.
Built with the same heavy-duty internal components as our standard 48-volt model, this marine version features additional upgrades and materials to comply with marine safety and corrosion-resistance standards. This unit meets or exceeds SAE J1171, ISO 8846, and USCG Title 33 standards for ignition protection, making it safe for use in gasoline-powered engine compartments and other classified marine spaces.
From offshore fishing boats and hybrid vessels to military and commercial marine platforms, this alternator is built to perform when it matters most.
NOTE: NOT FOR USE WITH STANDARD 12 VOLT CHARGING SYSTEMS. VESSELS WITH SECONDARY 48 VOLT BATTERY BANKS MUST BE KEPT SEPARATE FROM THE VESSELS 12V ALTERNATOR AND BATTERY(s)
Key Features:
- Marine-Certified Construction – Built to meet stringent marine electrical standards with sealed bearings, corrosion-resistant coatings, and upgraded hardware to withstand moisture, salt, and vibration
- Ignition Protected – Meets or exceeds SAE J1171, ISO 8846, and USCG Title 33 ignition protection standards
- Smart Charging - Variable charging voltage from 54 to 60 volts (depending on the type and size of batteries used) using Wakespeed WS500 advanced regulator
- High Output - 100+ amp output to yield more than 5KW output.
- Cooling - Efficient cooling system for optimal performance
Applications:
- Commercial and recreational marine vessels with 48V lithium battery systems
- Off-grid marine energy storage and power distribution
Whether you’re upgrading a yacht’s power system, outfitting a commercial vessel, or building a cutting-edge 48V platform, the Marine Certified 48V Elite Series Alternator offers the rugged dependability and power delivery your system demands—with Mechman’s signature craftsmanship behind it.
⚠️ Required Information Before Ordering
This unit requires an external regulator and is built to order. Please include the following information in your order notes.
- Battery type
- Regulator being used
- Desired charging voltage
- Engine or application details
- Pulley size being used
Key Features:
- Variable charging voltage from 54 to 60 volts (depending on the type and size of batteries used)
- 100+ amp output to yield more than 5KW output continuous
- Efficient cooling system for optimal performance
- Durable construction with heavy-gauge wiring and heavy duty OEM bearings
- OEM fit design for easy installation
This 48 volt alternator is engineered to deliver exceptional performance, reliability, and durability. Whether you're upgrading your vehicle's electrical system or building a custom off-grid power solution, this alternator is the perfect choice.
Order now and experience the increased efficiency of 48 volt accessories!
Output Curve

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