ProMariner ProTechOne - 4 AMP - Corded

Enhance your boat's battery performance and longevity with the ProMariner ProTechOne 4 AMP Corded Battery Charger and Maintainer. Engineered specifically for marine applications, this fully automatic onboard charger ensures your batteries remain in optimal condition, whether you're underway or storing your vessel for the season.

Advanced Charging Technology

The ProTechOne utilizes the latest in microprocessor and software-controlled charging, delivering a fully automatic multi-stage digital charging process. This intelligent system adapts to your battery's needs, providing dedicated charging, sensing, and control to maximize performance and extend battery life.

Durable and Weatherproof Design

Designed for the harsh marine environment, the ProTechOne features a gasket-molded case that withstands outdoor conditions. Its commercial-grade jacketed AC and DC cables offer maximum protection and durability, ensuring reliable operation in any weather.

Intelligent Battery Monitoring

Stay informed about your battery's status with the push-to-test LED fuel gauge. The easy-to-view LED dashboard provides real-time information on AC Power, Charge Mode, and Auto Maintain (Energy Saver) mode. Additionally, the system detects faults such as battery connection issues, reverse polarity, or insufficient battery charge, ensuring safe and reliable operation.

Energy Efficient Operation

The Auto Maintain mode intelligently controls the charging output to keep your battery fully charged while minimizing AC power consumption. This energy-saving feature not only extends battery life but also reduces your overall operating costs.

Key Features

• All-digital, fully-automatic multi-stage charging technology
• Dedicated battery charging, sensing, and control systems
• Push-to-test LED fuel gauge for battery status monitoring
• Waterproof DC safety fuse for enhanced wire protection
• Ignition protected and FCC Class A certified for quiet operation and minimal radio interference

Product Specifications

Specification	Details
Amperage	4 AMP
Power Source	Corded AC/DC
Case Design	Gasket-Molded for Weatherproofing
Cables	Commercial-Grade Jacketed AC and DC
Compliance	FCC Class A

Why Choose ProTechOne for Your Marine Battery Needs?

The ProTechOne 4 AMP Corded Battery Charger and Maintainer is the ideal solution for boat owners seeking a reliable, efficient, and durable charger. Its advanced technology, combined with a robust and weather-resistant design, ensures your marine batteries are always ready for your next adventure.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.