LONGRUN Marine-Grade IP67 Waterproof Battery Chargers & DCDC Converters

2026-06-22 18:31

Powering Your Voyage, Conquering Every Wave

Never let power failures compromise your time on the water. Engineered for the harshest marine environments, LONGRUN Marine Waterproof Chargers deliver unmatched reliability, smart multi-stage charging, and an ultra-wide voltage matrix from 24V to 850V. Whether it is heavy rain, extreme salt spray, or constant hull vibration, LONGRUN keeps your vessel safely powered.

Why Global Boat Owners & Builders Trust LONGRUN

IP67 Marine-Grade Waterproof
Fully sealed and resin-packed enclosure. Complete protection against dust, driving rain, heavy waves, and corrosive salt mist.
Active Battery Lifespan Extension
Intelligent multi-stage charging curves tailored for LiFePO4, AGM, and Lead-Acid batteries. Maximizes charging speed while preventing overcharging.
Industrial-Grade Safety Certifications
Fully compliant with international marine and electronic standards: CE, ISO, RoHS, FCC, CB. Built-in short-circuit, over-voltage, and reverse-polarity protection.
100% Customizable Input/Output Plugs
We support global plug standards (Type F, UK, AU, US) and diverse DC output connectors (Anderson, M8, XT90, and more) to match your specific setup.

The Ultimate Marine Product Fleet

1. 24V & 48V Series — For Trolling Motors & Leisure Craft

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The perfect companion for fishing boats, kayaks, and dual-battery systems. Lightweight, high-efficiency charging to ensure your trolling motor never drops power mid-catch.

24V Models: 24V 30A | 24V 40A | 24V 50A | 24V 60A | 24V 100A | 24V 150A | 24V 200A
48V Models: 48V 35A | 48V 50A | 48V 60A | 48V 100A | 48V 120A | 48V 240A

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2. 144V Series — For Mid-Size Yachts & Workboats

The heavy-duty backbone designed for 12-18 meter mid-size yachts, commercial fishing vessels, and passenger ferries requiring consistent, high-amperage power.

Available Models: 144V 45A | 144V 60A | 144V 100A | 144V 120A

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3. 540V - 850V Ultra-High Voltage Series — For Next-Gen EV Vessels

The cutting-edge power core engineered for large 20m+ hybrid or pure electric luxury yachts and heavy commercial electric ships.

Available Models: 540V 40A | 540V 60A | 650V 50A | 750V 80A | 850V 40A

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4. 1500W - 6000W DCDC Converters — Onboard Power Transformation

High-efficiency, step-down voltage transformation to safeguard and power all your critical onboard electronics, navigation systems, and appliances.

Power Range: 1500W | 2000W | 3000W | 4000W | 5000W | 6000W

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Technical Specifications & Plug Options

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AC Input Plugs: Customizable to country standards (US, EU, UK, AU, and industrial waterproof plugs).
DC Output Connectors: Anderson, M8 ring terminals, Cannon plugs, XT90, and custom aviation connectors.
Cooling: High-efficiency thermal design with overheat down-rate protection.

Ready to Upgrade Your Marine Power System?

Whether you need a single replacement charger for your fishing boat or an OEM batch order for a fleet of electric ships, LONGRUN’s engineering team is here to help.

Contact Our Marine Power Experts Today: