Wiren U5 48V 100Ah / 5.12kWh Server Rack Battery | U5 | 10-Year Warranty

The Wiren U5 Server Rack Battery delivers 5.12kWh of dependable energy storage in a compact, rack-mounted design. Engineered for high-efficiency performance with up to 99% charge efficiency, it provides a long-lasting power solution offering up to 6,000 cycles for residential, commercial, and backup power applications.

Featuring an integrated Battery Management System (BMS), it protects against over-charge, over-discharge, and temperature extremes while supporting expansion of up to 63 units in parallel. Its versatile design integrates smoothly with a wide range of standard inverters for reliable off-grid and solar energy storage.

Key Features

Brand	Wiren
Model	U5
Capacity	5.12 kWh
Voltage / Amp Hours	51.2 V / 100 Ah
Cycle Life	Up to 6,000 cycles
Charge Efficiency	99%
Parallel Support	Up to 63 units
Inverter Communications	EG4, Growatt, Victron Energy, SMA, Voltronic Power, Lux, Sol-Ark, Schneider Electric, GoodWe
Certifications	UL 1973, UL 9540A, CE, UN38.3
Dimensions	20 x 17.7 x 5.5 in
Weight	99 lbs
Warranty	10-Year Limited Warranty

Highlights

• 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.

Videos

Warranty

Learn more about this product's 10-Year Limited Warranty

Downloads

• Spec Sheet
• Dip Switch Video
• User Manual

Frequently asked questions What is the capacity and voltage rating of the Wiren U5 battery? The Wiren U5 has an energy capacity of 5.12 kWh with a 51.2V / 100Ah configuration. How many Wiren U5 units can be connected in parallel? The battery supports parallel expansion of up to 63 units. Which certifications does the Wiren U5 carry? It is certified under UL 1973, UL 9540A, CE, and UN38.3 standards. What warranty is provided with the Wiren U5? The battery comes with a 10-Year Limited Warranty.