• Lithium Batteries

    Energy Storage LifePo4 Batteries

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  • Solar Panels

    Pair with a solar controller to harness power from the sun to charge your lithium batteries

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  • Solar Charge Controllers

    Convert high voltage from solar panels to a controlled charge profile for your batteries

  • Inverter Chargers

    Convert DC power from your batteries to clean 120V AC power for household appliances, these models include a built in transfer switch for hard wired installation and also act as a battery charger

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  • Inverters

    Convert DC power from your batteries to clean 120v AC power for household appliances, these models include a built in transfer switch for hard wired installation

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  • Battery Monitors

    Monitor you entire battery bank with one simple device, shunts allow much more precise state of charge indication than voltage reading alone

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  • System Accessories and Monitoring

    Touch Screen displays and accessories

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  • Technical Resources

    Learn from our extensive knowledge of RV off-grid electrical systems

    Learn More 
  • Cp Mobile RV Repair on Youtube

    Learn from professional installers

    CP Mobile RV Repair 

About RML

Our foundation is built on a commitment to providing exceptional service and support. Each lithium battery product is independently tested in-house for quality assurance. Plus, our tech support is based right here in the US.

We take pride in delivering exceptional value for your investment. Our dedication doesn't end with the purchase – it extends through our lifetime warranty based on the cycle life of all products sold by RML.

Considering transitioning to advanced lithium technology? We offer hassle-free upgrades to lithium technology, and our products provide seamless drop-in replacements for lead-acid batteries.

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    Best Sellers

    View customer favorite batteries that offer excellent capacity, compact sizes, and a price you can't beat.

    • Best Energy Solutions

      Our products offer seamless drop-in replacements for lead-acid batteries, and our hassle-free upgrade process ensures a smooth transition to lithium technology. With longer lifespans and increased efficiency, our lithium batteries are a smart investment for anyone in need of reliable and long-lasting power.

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    • End-To-End Services

      Our goal is simple – deliver top-quality products at the best prices. We're here to support you with excellent customer service and tech support every step of the way. Transitioning to lithium batteries is made simple with Rocky Mountain Lithium.

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    • Lifetime Warranty

      We take pride in our dedication to our customers, which doesn't end with the purchase of our products. We go above and beyond by offering a lifetime warranty based on the cycle life of all products sold by RML. This means that we stand behind our products and believe in their longevity and durability.

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    • Have Questions? RML is Here to Help You!

      If you have questions or are interested in learning more, please contact us today.

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