Expion360
Expion360 EX-G27-100C 12V 100Ah Group 27 LiFePO4 Deep Cycle Lithium Battery
Expion360: Premium LiFePO4 Power for the Pursuit of Adventure
Founded in 2016 and headquartered in Redmond, Oregon, Expion360 was built on a straightforward question: what if a lithium battery could be made lighter, more durable, and dramatically longer-lasting than anything else on the market? The answer became a full line of LiFePO4 lithium batteries engineered specifically for the demands of RV travel, marine applications, overland exploration, and off-grid living.
At the heart of the Expion360 philosophy is a commitment to pushing past industry norms. Their batteries are designed to deliver up to 10 times the cycle life of traditional lead-acid setups, while weighing roughly 50% less and offering three times the energy density. That translates to more usable power per pound — a critical advantage whether you're boondocking in a remote desert, running electronics on a fishing vessel, or powering a remote cabin.
One of the brand's signature engineering achievements is its Vertical Heat Conduction™ (VHC™) technology, which efficiently dissipates heat to keep cells operating at optimal temperatures even under heavy load or in extreme environments. Combined with a proprietary Smart Battery Management System (BMS) that includes low-temperature protection, short-circuit safeguards, and overcurrent disconnects, Expion360 batteries are built to protect both the user and the investment.
Expion360's product ecosystem extends well beyond the battery cell itself. Their solar powered chargers and MPPT controllers are designed to work seamlessly within a complete off-grid power system, ensuring energy captured from the sun flows efficiently into the battery bank. Meanwhile, their purpose-built battery trays and battery boxes provide secure, vibration-resistant mounting solutions designed specifically to integrate with Expion360's own battery lineup — no improvised hardware required.
Backing every product is what the company describes as an industry-leading 12-year warranty, reflecting genuine confidence in their engineering and materials. And unlike many brands that outsource support, Expion360 operates a US-based customer service team out of Redmond, Oregon — staffed by people who can actually help size a battery bank, walk through a solar setup, or troubleshoot a complex installation.
For adventurers who depend on reliable power far from the nearest outlet, Expion360 represents a serious, well-rounded solution built from the ground up to handle the rigors of real-world use.