Minn Kota 1823305 MK-330D On-Board Battery Charger – 3 Bank x 10 Amp Marine Charger

Product Overview

The Minn Kota 1823305 MK-330D On-Board Battery Charger is a high-performance 3-bank marine battery charger engineered to keep your trolling motor and starting batteries fully charged and ready for every trip. Delivering 10 amps per bank (30 amps total), this smart digital charger provides fast, precise multi-stage charging while protecting your batteries from overcharging or damage.

Built with waterproof, shock-resistant aluminum construction and saltwater-tested components, the MK-330D is trusted by anglers and boaters who demand reliable charging performance in harsh marine environments. 

Key Features

• 3-Bank charger – 10 amps per bank (30 amps total output)

• Smart digital microprocessor charging – Faster, safer charging

• Multi-stage charging & temperature compensation – Protects battery life

• Waterproof & corrosion-resistant aluminum construction

• Short-circuit & reverse polarity protection

• Saltwater tested for marine durability

Why Choose the MK-330D Charger?

Reliable power is critical for trolling motors and marine electronics. The MK-330D helps you:

✔ Charge multiple batteries overnight
✔ Extend battery life with smart charging
✔ Maintain peak trolling motor performance
✔ Avoid battery damage from overcharging
✔ Stay ready for tournaments or offshore trips

Ideal Applications

Perfect for boats with:

• 24V or 36V trolling motor setups

• Multiple deep-cycle batteries

• Bass boats & center consoles

• Offshore fishing boats

• Boats with heavy electronics loads

Compatible with 12V flooded, AGM, and lithium LiFePO4 batteries (model-dependent).

Technical Highlights

• Part Number: 1823305

• Model: MK-330D

• Banks: 3

• Output: 10A per bank

• Total Output: 30A

• Battery Types: 12V AGM, Flooded Lead Acid, Lithium (LiFePO4)

• Construction: Waterproof aluminum housing