Expion360 produces advanced premium lithium batteries for all your RV, Marine, Golf, Industrial, Residential and Off-The-Grid needs. Expion360 uses Lithium Iron Phosphate (LiFePO4) as its battery chemistry. LiFePO4 chemistry is considered a top choice for high energy density, dependability, longevity and safety. You can now power anything, anywhere and take your adventures to the next level with confidence.