Minn Kota MK-315D 3 Bank x 5 Amps

The MK 315D On-Board Charger is engineered specifically for marine applications, delivering reliable and efficient battery charging to keep your boating adventures uninterrupted. With advanced digital controls and robust construction, this charger ensures your batteries are maintained optimally, allowing you to enjoy longer periods on the water without worry.

Advanced Digital Control

Our MK 315D features a cutting-edge microprocessor-based design that intelligently monitors crucial factors such as temperature and battery state of charge. This smart technology ensures a faster, more regulated and precise charge, enhancing battery performance and longevity.

Comprehensive Battery Protection

Protect your investment with multi-stage charging and automatic temperature compensation. The MK 315D prevents overcharging and thermal damage, automatically shutting off when the battery is fully charged to extend battery life and ensure reliable performance every time you set sail.

Efficient Charging Performance

Charge your batteries up to twice as fast even in high-temperature environments. The digital monitoring system optimizes the charging process, ensuring your batteries are ready to go when you are, reducing downtime and maximizing your time on the water.

Enhanced Status Monitoring

Stay informed with comprehensive status codes that provide real-time information on charge stages, maintenance mode, error notifications, and full charge status. This transparency allows for easy monitoring and maintenance of your battery system.

Durable Marine-Grade Construction

• Waterproof, shock-resistant, and vibration-resistant aluminum construction ensures longevity in harsh marine environments.
• Saltwater tested and fully corrosion-resistant, making it ideal for all types of boating conditions.
• Protective features include short circuit, reverse polarity, arc, and ignition protection for safe and reliable operation.

Technical Specifications

Feature	Specification
Charger Output Amps	15A
Charging Banks	3
Portable	No
Charger Input Voltage	120V
Charger Output Voltage	12/24/36V
Box Dimensions	7"H x 8"W x 16"L
Weight	15.6 lbs
UPC	029402034796

Compatibility

The MK 315D is compatible with 12V/6 cell batteries, including flooded/wet cell, maintenance-free, or starved electrolyte (AGM) types, ensuring versatile use across various marine battery setups.

Certifications

• FCC compliant
• UL listed to marine standard 1236

Dimensions & Weight

Dimension	Measurement
Length	12-1/2"
Width	7-1/2"
Height	4"
Weight	14 lbs

Safety Warning

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Additional Resources

Owner's Manual (PDF)
Brochure (PDF)

Product Video

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.