Best Marine Deep Cycle Batteries

The Best Marine Deep Cycle Batteries Just Got Better 

Every ounce of weight, energy, and endurance counts on the water. Boating needs are unique for everyone, so we created the best marine deep cycle batteries to meet those needs and keep customers on the water longer. Whether installing a battery in your cabin electronics or outfitting trolling motors, these batteries are built for optimal performance.

The Expion360 Difference 

Take your adventure further with Expion360 batteries and accessories. 

10x Life Cycle 

To create the best marine deep cycle batteries, we increased the lifetime of your battery investment by tenfold. As one of a handful to achieve UL 1973 compliance for optimal safety, you can expect greater durability and reliability, whether on land or water. 

3x Energy Density 

Our batteries use only the highest-grade lithium iron phosphate encased in steel and meet the UL1624 standard (UL file no. MH64383). Our reimagined cell packs allow you to power more appliances for longer with three times more energy density than traditional lead acid batteries.  

3x Faster Recovery 

Save time and go further with a faster overall charge time. And keep your investment going for years with Expion360’s “smart” BMS design with abundant safety features for trouble-free performance. 

50% Lighter 

We redesigned the traditional battery case to not only be 50% lighter but also more innovative. With built-in rubber feet, larger terminal connection pads, and the highest-grade ABS plastics, our design is built to lighten your load and power adventure. 

E360 Marine Deep Cycle Batteries Specifications  

See if our deep cycle lithium batteries are right for your off-grid marine needs. 

60 Ah: 

  • Chemistry: LiFePO4
  • Capacity: 60 Ah
  • Weight: 19.2 lbs (8.7 kg)
  • Dimensions: 10.24 in x 6.81 in x 8.59 in
  • SKU #: EX-G24-60C
    • Full spec sheet here 

    80 Ah: 

  • Chemistry: LiFePO4
  • Capacity: 80 Ah
  • Weight: 24.0 lbs (10.9 kg)
  • Dimensions: 10.24 in x 6.81 in x 8.59 in
  • SKU #: EX-G24-80C
    • Full spec sheet here

    95 Ah: 

  • Chemistry: LiFePO4
  • Capacity: 95 Ah
  • Weight: 25.2 lbs (11.4 kg)
  • Dimensions: 10.24 in x 6.81 in x 8.59 in
  • SKU #: EX-G24-95XDP
    • Full spec sheet here 

    100 Ah: 

  • Chemistry: LiFePO4
  • Capacity: 100 Ah
  • Weight: 29.3 lbs (13.3 kg)
  • Dimensions: 11.93 in x 6.81 in x 8.82 in
  • SKU #: EX-G27-100C
    • Full spec sheet here 

    120 Ah: 

  • Chemistry: LiFePO4
  • Capacity: 120 Ah
  • Weight: 30.8 lbs (14.0 kg)
  • Dimensions: 11.93 in x 6.81 in x 8.82 in
  • SKU #: EX-G27-120XDP
    • Full spec sheet here 

    360 Ah: 

  • Capacity: 360 Ah
  • Weight: 100.4 lbs (45.5 kg)
  • Dimensions: 14.8 in x 13.0 in x 10.4 in
  • SKU #: EX-360XDP-C
    • Full spec sheet here 

    Shop Our Lithium Battery and Accessory Collection 

    Want the power to explore with confidence? Expion360 engineers more than the best marine deep cycle batteries. We also design durable mounting kits, high-performing accessories, and bundled power systems to take your investment further. 


    Helping You Power the Pursuit Since 2016 

    Our story is about passion, pursuit, and answering one question: what if we could build the lithium battery better? Knowing our batteries would be used to power adventure, we made them safer, more efficient, and built them for the long run. Since 2016, Expion360 has produced best-in-class lithium battery solutions across industries. 

    We embrace the pioneering spirit of innovation from our headquarters in Central Oregon and pull inspiration for our products that sustain the desire for adventure in beautiful, rugged places.