A drop in Replacement and Upgrade from Lead Acid, AGM or Gel Batteries.
Smart Battery® marine lithium batteries are the industry's predominant choice for
Our 12V lithium marine batteries come with a Limited Lifetime Warranty and are reliable in all marine battery applications from luxury yachts to fishing boats. Over 15,000 Smart Battery® l
Plug & Play
Simply Connect your battery cables and you're ready to go. Every Smart Battery has a built in battery protection system keeping it running at peak performance for thousands of cycles.
Modular
Smart Battery lithium ion batteries can be connected in series or in parallel. Our internal battery protection system requires zero maintenance for the life of the battery.
Built in Battery Protection
70% Lighter than Lead
Yachts with large battery banks can typically reduce 70% of their weight and use around 1/3 of the space required for the same amount of power as their lead bank.
100% Depth of Discharge (DOD)
Safely use 100% DOD (depth of discharge) meaning you can expect to nearly double your capacity when comparing to the same size lead acid, gel or AGM battery.
Long Life 3000 - 5000 Cycles
12V 100AH LITHIUM MARINE BATTERY
Group 31 - 30 lbs.
IN STOCK | FREE SHIPPING
MOST POPULAR
$1,299.99
12V 150AH LITHIUM MARINE BATTERY
Group 4D - 49 lbs.
SPECIAL ORDER | FREE SHIPPING
$1,899.99
12V 300AH LITHIUM MARINE BATTERY
Group 8D - 93 lbs.
SPECIAL ORDER | FREE SHIPPING
$3,499.99
View our full line of 12V Lithium Batteries.
Smart Battery offers a wide range of 12V Lithium batteries that can be combined in series or in parallel.
| MARINE LITHIUM BATTERY CHARGERS
We offer chargers from the industries leading charger manufacturers. Smart Battery® Lithium Ion Battery Chargers are programmed specifically for our batteries.
