The Smartest Battery on the Water.

NMEA 2000 is the standard network that marine electronics use to share information with each other. When Alpha Line is connected to that network, your battery's status can show up on compatible electronics at the helm, right alongside the rest of your boat's data. You don't need a separate gauge or a trip to the battery compartment to see how it's doing. To connect, you'll need a standard NMEA 2000 drop cable and a tee to tie into your existing network. If your boat doesn't have a network yet, the kit above includes the parts you need.

Alpha Line works with marine electronics that support NMEA 2000, including many current multifunction displays and helm electronics. The easiest check is your display's manual or spec sheet: look for NMEA 2000 support. If you're not sure, send us your model and our team will confirm before you buy.

Lithium batteries don't like to be charged when they're very cold. Alpha Line has heating built into the battery, so it can stay ready to charge on cold mornings and in early- and late-season conditions without an external heat pad or blanket. You can keep an eye on what it's doing through the Bluetooth app. For exact temperature details, see the specs on the product page.

The third post is a dedicated connection point for your accessories. Instead of stacking several ring terminals on a single post, you can wire accessories to the third one, which keeps your install cleaner, simpler, and easier to service later.

Flip the on/off switch to turn off the smart features (heating, Bluetooth, and NMEA 2000) so the battery isn't powering them while the boat sits. Store it in a cool, dry place and keep it partially charged rather than full or empty. When the season starts again, flip the switch back on and you're ready to go.

Start with your trolling motor: its label or manual tells you the system voltage (12V, 24V, 36V, and so on), and your battery system needs to match. Then choose capacity (Ah) based on how long you want to run. More amp-hours means more time on the water. You can use the voltage filters in the shop section above, or talk to our team and we'll help you size it.