Dolphin Charger DC-DC Converter - 12/24V - 30A - 99201

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SKU: 113413

MPN: 99201

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Regular price $696.95
Regular price Sale $970.00 Sale price $696.95
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Manufactures Part Number: 99201

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Truck Freight: No

DC-DC Converter - 12/24V - 30A

Your boat has a 12V alternator, and you need to charge a 24V or 36V battery on the run Dolphin has the solution. Our boosters are true DC/DC chargers with a 3-stage smart charge feature. Compatible with 4 different technologies, including Gel, AGM, or Lithium LIFEPO4. Dolphin booster is the perfect choice to charge your bow thruster or trolling motor batteries!

Flexibility Versatility

BOOSTER units are designed to charge a 24V, 36V or 48V auxiliary battery from a single 12V or 24V power system, ideal for new installations or for updating older systems. Thanks to recharging during navigation, auxiliary batteries are always available. No need to wait until youre connected to the shore to recharge. This product range extends from 12/24V (charging at 30A), 12/36V (charging at 20A) up to 24/48V (charging at 15A).

Efficient Power Conversion

Small is beautiful: our engineers have made it compact. BOOSTER is only half the size of a conventional charger of equivalent power!

Faster Charging Times

BOOSTERS are intelligent marine battery chargers featuring an advanced and unique 4-stage charging program. This reduces charging time by 50% compared with charging from a basic alternator. with different battery chemistry settings (Lead, Gel, AGM, Lithium, LifeFO4).

Compatibility with Different Voltages

BOOSTERS are smart battery chargers featuring four different battery profile, Lead, Gel, AGM, and Lithium LifeFO4.

Protection Features

BOOSTER units include automatic protection against battery source drainage, over-current, over-voltage and reverse polarity and built-in fuses protections.

As for all other Dolphin charger products, the BOOSTERs assembly process includes conformal coating of the electronic board (PCB) to guarantee an extended lifecycle of your battery charger.


The Dolphin Charger DC-DC Converter Part Number 99201 is an innovative solution designed for marine applications requiring reliable power conversion. This compact device efficiently converts 12V or 24V input to charge auxiliary batteries at 24V, 36V, or 48V with a charging current of up to 30A. Its versatile compatibility with various battery chemistries including Gel, AGM, and Lithium LIFEPO4 makes it ideal for charging bow thrusters, trolling motors, or other onboard batteries. The converter features a 3-stage smart charging process that ensures optimal battery health and faster recharge times, reducing charging duration by up to 50% compared to traditional alternators. Its intelligent design includes protection against battery drain, over-current, over-voltage, and reverse polarity, along with built-in fuses for added safety. The conformal coating on the electronic board further extends the lifespan of the device, making it a durable choice for demanding marine environments. Its compact size, approximately half that of conventional chargers with similar power output, allows for easy installation even in limited spaces. Whether upgrading existing systems or installing new ones, the Dolphin Charger DC-DC Converter provides efficient, reliable, and versatile power management for your marine needs.

Features:

  • Power Conversion: Converts 12V or 24V input to charge 24V, 36V, or 48V batteries at up to 30A
  • Versatile Compatibility: Supports Gel, AGM, Lithium LIFEPO4, and other battery chemistries
  • Smart 3-Stage Charging: Ensures optimal battery health and reduces recharge time by 50%
  • Compact Design: Approximately 50% smaller than conventional chargers with comparable power output
  • Protection Features: Includes automatic safeguards against over-current, over-voltage, reverse polarity, and battery drain
  • Durable Construction: Conformal coating on PCB enhances longevity in harsh marine environments

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Most Asked Questions

Most orders ship within 1–2 business days. Delivery times depend on your location and carrier, but you’ll receive tracking as soon as your order ships.

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Yes. Certain large or heavy items may ship via truck freight. If truck freight applies, it will be clearly noted on the product page.

We accept returns on unused items within the specified return window. Please see our Returns Policy for full details.

Many products include manufacturer instructions. If you need help, our support team is happy to assist.