We'll break down the top four most used battery types today—no jargon overload, just what you need to know. LiFePO₄ (Lithium Iron Phosphate) Today's gold standard for solar containers Why it's a favorite: This battery is a workhorse. . These batteries store excess energy generated from renewable sources and discharge it during periods of high demand or low energy production. A typical containerized battery system includes: Lithium-ion or other advanced battery packs Thermal management and ventilation systems Inverters and control. . A Containerized Battery Energy Storage System (BESS) is rapidly gaining recognition as a key solution to improve grid stability, facilitate renewable energy integration, and provide reliable backup power. It's like having a portable powerhouse that can be deployed wherever needed. Most solar energy systems utilize lithium-ion batteries, which now account for over 72%. . RPS supplies the shipping container, solar, inverter, GEL or LiFePo battery bank, panel mounting, fully framed windows, insulation, door, exterior + interior paint, flooring, overhead lighting, mini-split + more customizations! RPS can customize the Barebones and Move-In Ready options to any design. .