Lithium Defined. We are focused on batteries using lithium-­iron-phosphate (LiFePO4) chemistry, not the smaller lithium-­ion batteries found in phones and computers. LiFePO4 batteries can hold much ...

A lithium marine starting battery is significantly lighter than traditional lead-acid batteries. This weight reduction improves your boat’s speed, fuel efficiency, and overall handling. 2.

Boat Type and Usage: If you’re using your boat for extended periods or in harsh conditions, you may want a more durable battery, such as an AGM or lithium-ion option.