99207 - Dolphin Charger ACS Auto Charger Selector - 12V - 80A | Aztek Computers
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SKU: Q028ZTSY0R |  Mfg. Part: 99207  | UPC: 786142992075  |  0 Reviews  |     Share

99207 - Dolphin Charger ACS Auto Charger Selector - 12V - 80A

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$169.87  $229.32
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Product Overview

ACS Auto Charger Selector - 12V - 80A

Our Automatic Charge Selectors are smart, 100% waterproof (IP67) and compact voltage-sensing relays that automatically manage the charge function between your start and service battery banks. DOLPHIN ACS are the ideal charging-relays for outboard engine boats.

SuperSafe (Unique feature)

Our cutting-edge “Current Limit Function” is built on MOSFET technology and includes a one-way operating “blocking diode function”: this prevents domestic (house/service) battery voltage drop when starting your engine or bow thruster. Result: no more sensitive electronics damaged onboard (GPS, etc.).

ACS is also intrinsically safe against ignition of atmospheric flammable vapours (ISO 8846), which makes it safe for installation on gasoline outboard engine boats.

SuperEfficient

No more manual battery selection. No more drained batteries. Our ACS reduces amperage operating current by up to 70% in comparison with other voltage-sensing relays currently on the market. Our ACS is particularly recommended for use with Lithium batteries.

100% WaterProof

ACS products are true Dolphins: they are IP67 certified.

Other assets...

With ACS, forget manual battery selection. Forget moving parts with a high failure rate. Forget battery voltage drop. Forget drained batteries. And, last but not least, DOLPHIN ACS reduces operating amperage by up to 70% in comparison with other voltage-sensing relays currently on the market.

Specifications:

  • System voltage: 12 Volts
  • Current rating: 50 Amp Continuous / 120 Amp Peak, 80 Amp Continuous / 190 Amp Peak
  • ACS units come with a multi-colour LED control and a remote operation switch contact

Expert Overview

The Dolphin Charger ACS Auto Charger Selector (part number 99207) is a 12V, 80A voltage-sensing relay designed to manage charge distribution between start and service battery banks. This device is suitable for IT environments requiring reliable power management in marine applications, particularly for outboard engine boats. Its IP67 waterproof rating ensures durability in challenging conditions. The ACS features MOSFET technology with a built-in blocking diode function, which prevents voltage drops to sensitive electronics during engine startup. This helps protect onboard systems like GPS from potential damage. The unit is also ISO 8846 certified for ignition safety, making it suitable for installation on gasoline outboard engine boats. It offers an automated solution to battery management, eliminating the need for manual battery selection and reducing operating current by up to 70% compared to other voltage-sensing relays. It is recommended for use with Lithium batteries.

Product Details

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  • Dolphin Charger
  • 99207
  • 786142992075
  • New
  • 0 lbs
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  • Jul 19, 2026
  • Mar 21, 2026
Product Identifiers: Brand: Dolphin Charger • Part #: 99207 • UPC: 786142992075 • Category: Battery Chargers

Frequently Asked Questions

What is the continuous current rating for this unit?

The Dolphin Charger ACS Auto Charger Selector has two continuous current ratings available: 50 Amp and 80 Amp. The 80 Amp continuous rating is specified for this particular model.

Is this product suitable for use with Lithium batteries?

Yes, the Dolphin Charger ACS is particularly recommended for use with Lithium batteries, offering efficient charge management for these battery types.

What is included with the ACS unit?

ACS units come equipped with a multi-colour LED control for status indication and a remote operation switch contact for flexible control.

What problem does the 'Current Limit Function' address?

The 'Current Limit Function' with its one-way operating blocking diode prevents the domestic battery voltage from dropping when the engine or bow thruster is started. This protects sensitive onboard electronics, such as GPS, from potential damage due to voltage fluctuations.

99207 - Dolphin Charger ACS Auto Charger Selector - 12V - 80A

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$169.87