Lithium Batteries

Unlock the ultimate in power and performance with top-quality LiFePO4 lithium batteries from Custom Marine Products. Our cutting-edge lithium iron phosphate batteries are designed to deliver exceptional reliability, superior performance, and extended longevity, making them the perfect choice for marine and RV enthusiasts. Ideal for boating, off-grid adventures, and more, these batteries boast high energy density, rapid charging capabilities, and an impressive long cycle life. Dive into our extensive range and elevate your adventures with the best in lithium battery technology. Shop now and experience unmatched quality, expert support, and the power you need to explore without limits.

SunPower Maxeon Panels Rated #1 in Durability

Premium Marine Solar Panels/Systems and Lithium Iron Batteries

Improve your cruising experience with the highest efficiency solar panels available. 

  • Shipping

    Products ship day after payment domestically. International takes longer. We do not add tariff charges.

  • Custom Designs

    Our engineers will work with you to design a solar system specific to your needs including Lithium Batteries if you like. (Batteries are 10% off w/ solar system purchase).

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What Our Customers Have To Say

  • Doug Heath - Santa Fe, NM

    Customer Service and Product

    Very pleased with the performance of the rigid solar panels purchased in 2022. Customer service also has been consistently excellent both before the sale regarding product selection and after the sale regarding installation and maintenance concerns.

  • William Roth - Kodiak, AK

    Heavy Duty Panels For The Win

    Installed 1200watts of panels on my 56' commercial fishing boat in Kodiak Alaska, with salt spray and harsh winters I hardly run my genset. Installation was a breeze with using silicone to mount them. Most the boats in my family fleet have them now and we are all saving big on the fuel bill! Couldn't be happier with the purchace.

  • Hartwell C - Bellingham, WA

    Easy Install - Great Performance

    I worked with Tom last year to design a system for my sailboat; the dialog and information was very detailed and helpful in helping determine my system needs and completing the installation. Once ordering, the kit arrived in a timely manner and very complete. The install was very straightforward and Tom provided additional information as needed. After the install I took off on a 7 month cruise of British Columbia. The system worked perfectly during my trip. I’m very happy with the equipment and support from CMP and Tom. I highly recommend !
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