Built for anglers, boaters, and outdoor adventurers, the Newport Vessels Smart Battery Box turns any standard 12V deep cycle battery into a mobile power station. It’s more than just a storage case—it’s a smart, rugged power hub with built-in features that make battery use safer, easier, and more versatile.
The top of the box includes a real-time LED battery meter to monitor charge levels at a glance, dual USB ports for charging phones or accessories, and two 12V cigarette lighter-style plugs to power lights, fish finders, or small appliances. The integrated circuit breakers protect your gear from overcurrent damage, while the non-slip rubberized feet and durable straps keep the box secure on deck or in transit.
Key Features:
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Battery Monitoring: Built-in LED meter shows charge level without opening the box
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Power Ports: Two USB ports and two 12V DC outlets for charging and accessories
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Safety First: Manual reset circuit breakers for both port types—no fuses required
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Universal Fit: Compatible with Group 24 and Group 27 size 12V deep cycle batteries
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Outdoor Ready: Impact-resistant case with carry handles and tie-down straps
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Ideal For: Trolling motors, kayaks, inflatables, camping setups, and marine use
With its blend of convenience, safety, and utility, the Newport Vessels Smart Battery Box is a must-have companion for anyone needing reliable power on the go.
How do I test the battery with the Newport Vessels Smart Battery Box?
For user convenience, the Newport Vessels Smart Battery Box is designed to measure the most accurate battery charge level of any user-supplied 12V Deep Cycle or Marine Battery when connected to a running motor. Despite the directions written on the battery box meter, the 12V battery hooked up inside the box needs to be under load by being connected to a running motor via the external box terminals for the meter to read the most accurate battery charge level of the battery.
To measure battery charge level while connected to a running motor:
1. Press and hold the test button. The number of blue LEDs that are lit relative to the total number of LEDs will indicate the charge level of the battery
2. After you release the button, the last LED will blink for several seconds to confirm that the USB port is functioning correctly. If the USB port isn't working properly, the last LED will not blink.
To use the USB Port, plug in the USB device into the port. Then press the test button to wake up the system. When the USB port is connected to a mobile device and charging it, the last LED will keep flashing for the duration of the connection.
So far the thousands of Newport Vessels Smart Battery Box users have found great use applications for the product even outside the boating and marine category.
