ABYSS® 12V 460Ah Dual Purpose NMEA Lithium Marine Battery

This high-capacity Group 8D battery is designed for compatible engine starting and substantial 12V house loads. Applications can include advanced electronics, refrigeration and appropriately specified stabilization or inverter systems.

Its capacity helps support longer periods between charging opportunities. Choose it by the boat's load schedule, peak and continuous demand, required starting reserve and available recharge time, rather than capacity alone.

It can support suitable loads through a correctly designed electrical system. Calculate both running demand and startup surge, including the inverter's losses and battery-side current, before selecting appliances or inverter size.

A 460Ah capacity rating describes stored charge; it is not an unlimited output rating. The battery, BMS, inverter, cables and circuit protection must all support the combined equipment running at the same time.

Build a daily load schedule using average current and operating hours for each device. Divide 460Ah by the average battery current for an initial runtime estimate, then allow for reserve, conversion losses and real operating conditions.

For refrigeration or air conditioning, use the actual duty cycle rather than assuming the compressor runs continuously or barely runs at all. Confirm the estimate against measured consumption during commissioning.

Yes, for an engine and charging system that meet the battery's compatibility requirements. The installation must preserve an appropriate starting reserve while supplying the planned house demand, with suitable switching and circuit protection.

The Emergency Power Reserve feature is a backup for an emergency starting attempt. It does not replace correct bank sizing, charging or a documented starting-battery match for the exact engine.

NMEA 2000 integration provides supported battery information to a compatible multifunction display through the boat's marine network. Bluetooth supports local monitoring from a nearby supported phone using the compatible ABYSS battery app.

At installation, configure the battery identity and confirm which readings appear on your display. Displayed fields and warnings vary with the equipment and network configuration, so demonstrate the actual screens to the owner.

Use a compatible 12V LiFePO4 charger within the specified charging limits. Select output around the energy normally replaced and the time available to recharge; a high-capacity battery does not automatically require charging at its maximum permitted current.

Review shore power, alternator or regulator compatibility and any isolation equipment as one system. A full recharge after heavy use can take significantly longer than a light top-up.

Check the current case dimensions and installed weight against the compartment and supporting structure. Provide a correctly sized marine tray and restraint, protected terminals, supported cables and room for the network connection and service access.

The Group 8D designation alone does not verify the existing hold-down or cable layout. Confirm the mounting hardware needed for your installation rather than assuming an integrated tray ships with this model.

Use matching batteries only in an approved configuration, with the required charge balance and a suitable charging plan. Determine cable routing, distribution and circuit protection from the complete system demand.

For a dealer or OEM installation, verify engine starting, heavy-load operation, charging and network visibility before handover. Record the battery identities and configuration so future service does not depend on guessing how the bank was assembled.

There is no electrolyte watering, but the installation still needs periodic inspection of mounting, terminals, cable insulation and connections. Keep the battery protected from physical damage and follow the current charging and storage instructions.

The BMS and internal heating support operation within specified limits. Investigate repeated warnings, shutdowns or abnormal heat instead of relying on a reset. A damaged battery should be assessed before it returns to service.

Qualifying purchases from August 1, 2026 receive 10-year manufacturing-defect coverage, subject to registration within 90 days and policy terms. Keep your receipt and serial number. Earlier purchases retain their original coverage.