Expion360 designs assembles manufactures and sells lithium iron phosphate batteries and supporting accessories for recreational vehicles marine applications and home energy storage with plans to expand into industrial markets. The company focuses on delivering high power density batteries that have a minimal footprint and aim to replace lead acid systems. It launched its e360 product line for RV and marine use in December 2020 and began shipping its e360 Home Energy Storage Solutions in January 2025. Expion360 also provides a suite of accessories such as chargers monitors inverters and solar components to complement its battery offerings.

Expion360 generates revenue primarily from the sale of its LiFePO4 batteries and related accessories to dealers wholesalers private label customers and original equipment manufacturers who then distribute the products to end consumers. The company also sells directly to consumers through its own channels. Revenue streams include the e360 RV and marine battery line the e360 Home Energy Storage System and various accessory products such as chargers monitors inverters and solar components. Sales are conducted on a purchase order basis without long term commitments.

The company operates through the following segments.

• Energy Storage: The Energy Storage segment covers the design assembly manufacturing and sale of lithium iron phosphate batteries and accessories for recreational vehicles marine applications and home energy storage with ongoing efforts to expand into industrial markets.

Expion360 competes with lithium ion battery makers such as Relion which was acquired by Brunswick Corporation Dragonfly Energy Holdings Corp the maker of Battle Born Batteries Renogy and Dakota Lithium. The company differentiates itself through batteries that offer up to three times the power of typical lead acid units while weighing about half as much and providing a lifespan of approximately twelve years three to four times longer than many lead acid alternatives. Its proprietary e360 SmartTalk app enables wireless monitoring and management of batteries and its Vertical Heat Conduction technology improves thermal performance. The firm benefits from the industry wide shift from lead acid to lithium in RV marine and home energy storage markets where the RV market was valued at $57.3 billion in 2021 and is projected to reach $117.0 billion by 2031 and residential solar energy storage is expected to grow from $20.5 billion in 2023 to $518.8 billion by 2032.

Expion360 serves a diverse customer base that includes dealers wholesalers private label customers original equipment manufacturers and direct consumers. Notable relationships exist with national RV retailer Camping World and distributor Meyer Distributing Inc. The company reported having more than 300 customers across the United States as of December 2024 with one customer accounting for approximately 14% of gross sales and four other customers representing about 60% of accounts receivable.