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Ruixu
RUiXU | 51.2V 100Ah (5.12kWh) Server Rack-Mounted 3U Self-Heating Battery | 10-Year Warranty | RX-LFP48100-H
- Regular price
- $1,199.00
- Sale price
- $1,099.00
Sale
-8%- Regular price
- $1,199.00
- Sale price
- $1,099.00
Sale
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🚚 Free Shipping + No Sales Tax (exclusions may apply)
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🏭 Backed By Manufacturer Warranty
❓ Questions? Contact Us: +1 (734) 228-0441 or support@offgridselection.com
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Product Description
RUiXU 51.2V 100Ah (5.12kWh) Self-Heating Server Rack Battery [RX-LFP48100-H]
The RUiXU RX-LFP48100-H is a high-performance, 19-inch 3U rack-mounted LiFePO₄ battery module built for efficiency, safety, and reliability in demanding environments. Designed for off-grid systems, telecom infrastructure, industrial backup, and renewable energy storage, this battery delivers consistent 48V DC output with a 100Ah capacity and exceptional cycle life.
Featuring advanced self-heating technology, the RX-LFP48100-H operates safely in cold climates—charging efficiently at temperatures as low as -20°C (-4°F). Compact, scalable, and communication-ready, it’s engineered for high-density power storage and seamless integration with leading inverter brands.
Key Features
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Self-Heating for Cold Environments: Heats automatically during charging to ensure safe performance down to -20°C (-4°F).
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High-Efficiency Energy Storage: Provides 5.12 kWh capacity with 6,000+ cycles at 90% depth of discharge (DOD).
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Compact 3U Rack Design: Fits standard 19-inch server racks, offering a modular, space-saving installation.
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Scalable Power Solution: Connect up to 32 batteries in parallel, expandable from 5 kWh to 160 kWh.
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Advanced LiFePO₄ Chemistry: Delivers superior safety, stability, and longevity compared to traditional chemistries.
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Smart Communication: Supports CANbus and RS485 protocols for easy integration with most inverters.
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Optimized Cold-Weather Reliability: Integrated heater pads maintain ideal operating temperature during charging for consistent performance.
Applications
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Off-Grid Solar Storage: Reliable energy for homes, cabins, and remote locations.
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Telecom & Data Centers: Provides uninterrupted power for network and IT infrastructure.
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Industrial Backup Power: Ensures stable energy for mission-critical systems.
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Renewable Energy Storage: Works seamlessly with solar, wind, and hybrid power setups.
What’s Included
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(1) RUiXU 48V Self-Heating Server Rack Battery [RX-LFP48100-H]
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(1) RJ45/CAT5e Patch Cable
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(1) Ground Cable
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(1) Set of Parallel 4AWG Cables per Battery
Reliable Cold-Weather Performance with a 10-Year Limited Warranty
The RUiXU RX-LFP48100-H is built to deliver long-lasting, scalable energy storage—even in freezing temperatures. Backed by a 10-year limited warranty, it ensures dependable, maintenance-free operation for critical energy systems in any climate.
Inverter Compatibility
CANbus-Compatible Inverters: Victron, SMA, Studer Innotec, Sofar, Sol-Ark, Solis, Goodwe, Deye, Growatt, SAJ, Luxpower, Megarevo, INVT, Sermatec, TBB, MUST, Sunsynk, Schneider
RS485-Compatible Inverters: MPP, Voltronic, RCT, Alpha Outback
Specifications
Nominal Voltage: 51.2 V
Nominal Capacity: 100 Ah (minimum 100 Ah @ 0.2C)
Nominal Energy: 5.12 kWh (5120 Wh)
Recommended Charge Current: 50 A
Cycle Life (90% DOD): ≥ 6000 cycles
Operating Temperature: 14°F to 122°F
Storage Temperature: 14°F to 113°F
Dimensions (W × D × H): 19" × 18.1" × 5.23" (3U)
Weight: 103.6 lbs
Shipping Restriction: Ships with battery only; additional fees apply if purchased separately.
Frequently Asked Questions
Can I expand this battery system?
Yes, up to 32 units can be connected in parallel for a total of 160 kWh of storage.
Is it compatible with my inverter?
Yes. It supports CANbus and RS485 communication, compatible with major inverter brands like Victron, SMA, Sol-Ark, Growatt, and Goodwe.
Can it charge in freezing temperatures?
Yes. The self-heating function allows safe charging at temperatures as low as -4°F (-20°C).
Is it suitable for telecom or server rack systems?
Absolutely. The 3U rack-mount design makes it perfect for telecom and data center UPS applications.
How long will it last?
With over 6,000 cycles at 90% DOD, it’s designed for 10+ years of dependable use.

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