• Rugged and splash-proof in design

    Our unique design can withstand your active lifestyle. All the ports have covers that seal to protect from moisture and dust, and the rugged design can handle your journey for years.

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    120AH in a Group 24, 32lb profile makes VIPER lithium the highest power to weight ratio in the RV industry making it the ideal choice for Airstream travel trailers, touring coachs, all trailers and drivable RV units. Marine trolling motors and boat power, overland vehicles and off grid living.

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  • Off grid power has never been so easy

    The Expion360 Power Pack is so powerful, yet so small and portable, you can take it with you anywhere. Enjoy power on the go for camping, traveling, and more!

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  • VIPER Video

    Check out our VIPER Advantage video demonstrating the advantage of lithium over traditional lead acid battery systems.


EXPION360 Lithium Power

Go Further, Stay Longer!

The EXPION360 Lithium Batteries offers more power for their size than other devices on the market today for CPAP and Recreation Vehicle use. Imagine using your computer, charging your tablet, charging your smartphone, powering your sleep apnea machine,  communications equipment, ham radios, charging your drone, charging cameras, anywhere! In fact, the EXPION360 EXP Pro Series has a cigarette lighter style 12v power port and can power just about anything with a 12v male power plug.  The EXPION360 VIPER Lithium Iron Phosphate (LiFePO 4) is the industry leader in capacity, life cycles, discharge and light efficiency  for RV batteries.  Adding a VIPER battery system to upgrade the heart of your RV to LiFePO 4 with our industry leading VIPER line of deep cell house batteries.