Guest On-Board Battery Charger 40a / 12v - 4 Bank - 120v Input

Condition: New

Special Price $359.47 Regular Price $832.99
Quantity in Stock: 9
SKU
GUE2740A

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Guest On-Board Battery Charger 40a / 12v - 4 Bank - 120v Input

On-Board Battery Charger 40A / 12V - 4 Bank - 120V Input

Guest On-Board battery chargers have been redesigned from the inside out with the customer in mind. Our newest generation On-Board Marine battery chargers include leading advancements in digital charging technology and waterproof design/construction. Every Guest charger has a dedicated charging, sensing and control per bank. The easy to read graphics indicates the status of each battery bank through the charging process.

Features:

  • All high frequency, digital charging technology
  • Fully automatic 5-stage performance charging
  • Dedicated battery charging, sensing and control per bank
  • Expanded LED charge status monitor
  • Wiring and battery fault detection
  • Auto-maintain energy saver mode
  • Up to 40 percent lighter
  • 100 percent Waterproof (IP67) and shock resistant for all fresh and saltwater applications
  • All models are pre-wired for easy installation
  • For all 12 volt flooded and AGM lead acid batteries
  • Built-in safety: reverse polarity, over-current, over-voltage, over-temperature and ignition protection. In-line fuses for maximum DC wire protection.
  • 2 year warranty

WarningWARNING: 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 go to P65Warnings.ca.gov.



Manufacturer Part Number: 2740A
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Manufacturer Part Number: 2740A
Specifications:
  • Charger Output Voltage = 12/24/36/48v
  • Charger Output - Amps = 40a
  • Charging Banks = 4
  • Portable = No
  • Charger Input - Voltage = 120v
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Customer Questions
My #4 bank is showing a “fault” red light. Battery shows 14+ volts with charger leads on. Fuses are good. Replaced battery with new one, still has fault light and 16 volts approx. on meter. What is fault light telling me? Marino Guest 40 amp 4 bank marine charger.
Red Fault LED: The red Fault LED will illuminate solid ON if there is a loose wiring connection, reverse polarity, DC over-voltage or extremely low DC voltage < 4 VDC condition that is present. For batteries < 4 VDC the battery should be removed and...
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Hodges Marine accepts returns for up to thirty (30) days after shipment. Our return policy does not apply to the following goods: Open software, mapping/chart data cards, programmed AIS units, opened/registered KVH Starlink products, trolling motors, international orders, freight truck only items, and special order items. These items are not eligible for return, refund or exchange. Shipping charges (if any) are non-refundable. If your return is accepted by Us, We will provide one of the following within a reasonable time: an exchange of merchandise for the item returned, a non-transferable merchandise credit, a credit to the payment card or original method of payment used to pay for the item, a check, or another remedy that we determine in good faith is appropriate in the circumstances. Customer must request a return merchandise authorization (RMA) through the product returns link on our website or by emailing us at [email protected]. A RMA number will be issued with instructions for returning the package within a reasonable time (normally 1-3 business days).
Defective Products:
A prepaid return shipping label will be provided for defective items if deemed necessary by the manufacturer. The customer must first contact the manufacturer for technical support to confirm product is defective and that product replacement is deemed necessary. Please provide the name of the technician, serial number, and details about the defect. Return instructions and a label will be provided.
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Eligible non-defective products may be returned for a full refund minus shipping paid (if any). To be eligible for a non-defective return, your merchandise must be unused/unopened and must be in the original packaging. Non-defective returns that show signs of installation/use, missing parts/packaging, missing proof of purchase/UPC code, or have serial numbers that do not match our records will not be accepted. Customer is responsible for return shipping costs of non-defective returns. You should consider using a trackable shipping service or purchasing shipping insurance for items of value. Hodges Marine is not liable for lost or damaged return packages.
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Last Updated: JUNE 09 2026

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