99202 - Dolphin Charger 24V 30A DC Converter | Aztek Computers
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SKU: U298RUOVVZ |  Mfg. Part: 99202  | UPC: 786142992020  |  0 Reviews  |     Share Make an offer

99202 - Dolphin Charger 24V 30A DC Converter

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$884.15  $1,193.60
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Product Overview

DC-DC Converter - 24/24V - 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 you’re 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 BOOSTER’s assembly process includes conformal coating of the electronic board (PCB) to guarantee an extended lifecycle of your battery charger.

Expert Overview

The Dolphin Charger 24V 30A DC-DC Converter, part number 99202, is a heavy-duty voltage converter designed for marine and similar auxiliary power systems. It addresses the challenge of charging 24V, 36V, or 48V auxiliary batteries from a 12V or 24V primary power source, such as a boat's alternator. This unit is suitable for IT professionals and system integrators managing power solutions in environments where auxiliary batteries for bow thrusters or trolling motors need reliable charging while underway. It features a 3-stage smart charge process and is compatible with various battery chemistries, including Gel, AGM, and Lithium LiFePO4. The converter incorporates protection against battery source drainage, over-current, over-voltage, and reverse polarity, along with built-in fuses. Its compact design facilitates installation in space-constrained applications, providing a solution for maintaining auxiliary battery readiness without requiring shore power.

Product Details

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  • Dolphin Charger
  • 99202
  • 786142992020
  • New
  • 4.4 lbs
  • 11 X 4 X 9
  • Jul 21, 2026
  • Mar 15, 2026
Product Identifiers: Brand: Dolphin Charger • Part #: 99202 • UPC: 786142992020 • Category: Heavy-Duty Voltage Converters

Frequently Asked Questions

What battery types are compatible with this DC-DC converter?

This DC-DC converter is compatible with four different battery technologies: Lead, Gel, AGM, and Lithium LiFePO4. It features specific settings for each chemistry to optimize charging.

What are the input and output voltage capabilities of this specific model?

This specific model is a 24V 30A DC-DC converter, designed to charge a 24V auxiliary battery. The product range also includes units for charging 24V, 36V, or 48V auxiliary batteries from either a 12V or 24V power system.

What protection features are included in the Dolphin Charger 99202?

The unit includes automatic protection against battery source drainage, over-current, over-voltage, and reverse polarity. It also features built-in fuse protections to safeguard the system.

Can this converter charge auxiliary batteries while a vessel is in navigation?

Yes, the BOOSTER units are designed to recharge auxiliary batteries during navigation. This ensures auxiliary batteries are always available without needing to connect to shore power for recharging.

99202 - Dolphin Charger 24V 30A DC Converter

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