Wiren U5 51.2V 100Ah server rack battery front panel

Wiren rack battery with front display, orange positive terminals and metal handles, viewed from the left.

Wiren rack battery showing its front controls, communication ports and right-side product label.

Empty black battery rack with support rails and caster wheels.

Six Wiren rack batteries with power and communication cables in a wheeled rack.

EG4 12000XP inverter beside a wheeled rack of six Wiren batteries.

U5 5.12kWh Server Rack Battery

The Wiren U5 is a 51.2V 100Ah LiFePO4 server rack battery with 5.12kWh nominal energy for solar storage and backup projects. Discuss inverter integration and rack configuration with Wiren.

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Communication

CAN / RS485
Energy

51.2V 100Ah (5.12KWh)
Weight

46KG
Warranty

Confirm written terms

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U5 5.12kWh Rack Battery Specifications

Plan solar storage and backup systems around a modular 51.2V battery. The values below summarize the U5 model datasheet; the final rack drawing, inverter protocol and BMS configuration should match your order.

Battery chemistry	Lithium iron phosphate (LiFePO4)
Nominal voltage	51.2 V
Nominal capacity	100 Ah
Nominal energy	5.12 kWh per module
Weight	46 kg, as listed in the model datasheet
Rated charge current	50 A at 25°C (77°F)
Rated discharge current	100 A at 25°C (77°F)
Enclosure protection	IP22
Parallel expansion	Up to 63 modules listed in the U5 model datasheet; subject to system design
Inverter communication	CAN / RS485; confirm the inverter model and supported protocol
PC communication	RS232 / RS485

Battery Management and Charge-Current Limiting

The BMS monitors cell and battery conditions and provides protection functions for abnormal voltage, current and temperature. The U5 datasheet lists charge-current limiting above 62A, with current reduced to 20A. Confirm that behavior against the supplied BMS version during commissioning.

Use the approved operating instructions for charger settings and protection thresholds. Configuration-specific BMS recovery values are available through technical review.

Rack and Inverter Integration

Confirm rack depth, mounting clearances, terminal access and the exact enclosure drawing before installation.
Match inverter communication, cable pinout and battery addressing to the supplied hardware and firmware.
Size busbars, cables, isolation and electrical protection for the complete battery bank.
Review the installation environment, charging limits and required backup load as part of system design.

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U5 Project and OEM Support

For distributors, solar installers and storage integrators, Wiren can review battery-rack configuration, communication requirements, product labeling and project accessories.

Information for a Project Review

Inverter make, model and communication requirements
Required storage capacity, peak load and backup duration
Rack space and installation environment
Order quantity, destination market and documentation requirements

For the existing U.S. retail listing, view the U5 at Signature Solar. Confirm availability and the supplied configuration with the seller.

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U5 Server Rack Battery: Buyer Questions

Is the Wiren U5 a 5kWh server rack battery?

The Wiren U5 belongs to the 5kWh server rack battery class. The currently published model is rated at 51.2V and 100Ah, giving a nominal energy capacity of 5.12kWh. Confirm the supplied model and inverter communication requirements before ordering.

Where can I request a quote or find a U.S. retail listing?

Contact Wiren for distributor and project inquiries. U.S. buyers can also review the U5 listing at Signature Solar; pricing, availability and sale terms are set by the seller.