Lithium Marine Batteries I Expion360

Built For The Long Haul

Boat batteries aren’t one-size-fits-all, and neither are your boating needs. Whether you’re outfitting trolling motors or installing a lithium battery to operate your cabin electronics, you need something that can withstand marine conditions with power and efficiency.

Whereas traditional lead acid boat batteries can be heavy and clunky, our lithium marine batteries are 50% lighter, three times more energy dense, and have ten times the life cycle. In addition, 3x faster recovery means you can charge faster, save time, and move further. On the water, that can be the difference between a good day and a bad one. There’s no doubt that these batteries are built for the long haul.

Key Features

Lithium Cells

We use only the highest-grade lithium iron phosphate encased in steel and meeting theUL1642 standard(UL file no. MH64383). This material and engineering make for unparalleled reliability, stability, and safety.

Case Design

We took the standard battery case up a notch with built-in rubber feet, radiused corners, 96.7% larger terminal connection pads, interior molded ribs for structural security, and the highest-grade ABS plastics with additives for fire retardancy. Our innovative case design changes the scope of the industry.

Cell Pack

To keep our batteries as powerful and efficient as possible, we’ve welded our cells via thick copper/tin machined collector plates, welded all interior pack points, added a press broke flange at each end to create a mechanical backbone for the BMS, used high-grade wiring and ring terminals throughout, and treated connections with industrial epoxy for long-lasting protection.

Battery Management System (BMS)

Our “smart” BMS design has abundant features to provide you with the safety and performance you desire, such as: low-temp discharge, auto-shutoff, short circuit protection, low and high-voltage shutoffs, and overcurrent disconnect. Our structurally sound BMS board features a bolted design, eliminating all unnecessary solder, resulting in one cohesive pack for years of trouble-free performance.

Certification

Expion360 lithium batteries are held to the highest safety standards. Because of this, we are one of a small handful of companies to achieve a UL 1973 compliance