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The Wiren U5 is a rack-mounted battery rated at 5.12 kWh (51.2V, 100Ah) in a compact footprint. It is built for residential solar storage, commercial backup and off-grid systems that may grow over time.
Planning a system? Read our guide: How to size a battery backup system for your home.
Server-rack installs for home solar storage or backup where space is limited.
Compact, Scalable, and Built for Long-Term Power *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]" dir="auto" tabindex="-1" data-turn-id="request-68f64480-c77c-8328-9ed4-3f272b6347f5-11" data-testid="conversation-turn-46" data-scroll-anchor="true" data-turn="assistant"> The Wiren U5 Rack Battery delivers 5.12kWh of dependable, high-efficiency energy storage in a compact, rack-mounted design. Engineered for scalability and long-lasting performance, it offers up to 6,000 life cycles and 99% charge efficiency making it ideal for residential, commercial, and backup power applications. Designed for seamless integration and easy expansion, the U5 provides reliable, space-saving energy you can count on. Key Benefits: *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]" dir="auto" tabindex="-1" data-turn-id="request-68f64480-c77c-8328-9ed4-3f272b6347f5-13" data-testid="conversation-turn-50" data-scroll-anchor="true" data-turn="assistant"> High Efficiency: 99% charge efficiency for maximum energy utilization. Long Lifespan: Up to 6,000 cycles for years of dependable use. Compact Design: Rack-mounted form saves space and simplifies installation. Smart Protection: Built-in BMS safeguards against over-charge, over-discharge, and temperature extremes. Use Cases: Ideal for residential solar storage, commercial backup, and off-grid systems needing compact, expandable battery capacity. Tech Cases: Energy: 5.12 kWh (51.2 V / 100 Ah) Parallel Support: Up to 63 units Dimensions: 20 x 17.7 x 5.5 inches | Weight: 99 lbs Certifications: UL 1973 | UL 9540A | CE | UN38.3
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
Our team can help confirm this battery works with your inverter. Message our team on WhatsApp.
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