Samlex 20A Solar Charge Controller - 12/24V

Optimize your marine adventures with the MSK-20A Solar Charge Controller, designed to deliver reliable and efficient power management for your boat or marine craft. Whether you're cruising the open seas or anchoring at a secluded harbor, this intelligent charge controller ensures your battery systems remain charged and protected, enhancing your onboard energy experience.

Advanced 3-Stage PWM Charging

The MSK-20A utilizes a sophisticated 3-stage intelligent Series Type PWM charging algorithm, ensuring optimal battery health and longevity. Its microcontroller-based design offers digital precision and fully automatic operation, making it adaptable for both 12V and 24V battery systems commonly used in marine applications.

Key Features

• Intelligent Charging: 3-stage PWM charging for efficient and safe battery charging.
• Automatic Voltage Detection: Seamlessly switches between 12V and 24V systems.
• Wide Temperature Range: Operates reliably from -35°C to +50°C.
• Comprehensive Protection: Safeguards against overheating, overcharging, over-discharge, overload, and short circuits.
• Reverse Polarity Protection: Ensures safety with any solar module and battery configuration.
• Expandable Monitoring: Compatible with the optional MSK-TS External Temperature Sensor for enhanced system monitoring.

Marine Applications

Perfectly suited for a variety of marine and boating applications, the MSK-20A ensures your vessel's power systems are always performing at their best:

• Recreational and service vehicles
• Off-grid marine setups
• Portable charging solutions for boats
• Marine crafts and yachts
• Fieldwork vessels or mobile marine offices
• Maritime telecommunications equipment

Technical Specifications

Additional Resources

For more detailed information, refer to the following documentation:

• Quick Guide (PDF)
• Owner's Manual (PDF)

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.