Direct: (503) 987-4002
Main: (503) 987-4000





Maximize your energy storage with the Expion360 12V 132Ah LiFePO4 Lithium Battery, a high-density Group 27 battery designed for RV, marine, and overland power systems. By using advanced UL1642 recognized 4.0Ah stainless steel cells, this battery packs 32% more capacity into the standard Group 27 footprint, delivering longer runtimes without taking up additional space.
Built to meet the highest safety and reliability standards, this battery is UL1973 compliant and features Expion360’s patent-pending VHC™ Internal Heating system for safe charging in sub-freezing temperatures. Oversized brass terminals provide superior electrical connectivity and reduced resistance, helping improve efficiency and overall system safety.
Encased in a rugged IP66 waterproof housing and backed by a 12-year warranty, the Expion360 132Ah Group 27 Lithium Battery is the ideal high-density power upgrade for RV house systems, marine applications, overland vehicles, and off-grid power setups.
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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