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Ruixu
RUiXU | 51.2V 100Ah (5.12kWh) Server Rack-Mounted 3U Battery | 10-Year Warranty | RX-LFP48100
- Regular price
- $1,159.00
- Sale price
- $1,059.00
Sale
-9%- Regular price
- $1,159.00
- Sale price
- $1,059.00
Sale
-9%✅ Authorized Online Dealer
🚚 Free Shipping + No Sales Tax (exclusions may apply)
💲 Lowest Price Guarantee
📦 Fast 4-7 Day Delivery
🏭 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) Server Rack-Mounted 3U Battery [RX-LFP48100] | 10-Year Warranty
The RUiXU RX-LFP48100 is a high-performance 48V 100Ah LiFePO₄ (Lithium Iron Phosphate) battery module engineered for professional-grade rack-mounted energy storage applications. Featuring a compact 3U form factor, it fits seamlessly into standard 19-inch racks, making it ideal for telecommunications, data centers, industrial backup, and renewable energy systems.
This modular and scalable LiFePO₄ battery delivers exceptional safety, efficiency, and cycle life — offering over 6,000 cycles at 90% depth of discharge (DOD). Perfect for off-grid solar systems, hybrid installations, and UPS backup, it provides consistent, long-term performance for mission-critical power needs.
Key Features
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Scalable Energy Storage: Supports up to 32 batteries in parallel, expandable from 5kWh to 160kWh without an external controller.
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Compact 3U Rack Design: Optimized for standard 19-inch server racks, ensuring space-efficient integration.
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Advanced LiFePO₄ Chemistry: Offers higher energy density, improved safety, and longer cycle life compared to lead-acid batteries.
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Wide Inverter Compatibility: Works with leading inverter brands via CANbus and RS485 communication protocols.
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User-Configurable Settings: Features DIP switch configuration to adjust RS485 baud rate and inverter protocol.
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Reliable Temperature Performance: Operates within a broad temperature range (14°F–122°F), suitable for diverse environments.
Applications
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Off-Grid Solar Energy Storage: Powers homes, cabins, and remote installations efficiently.
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Telecom & Data Centers: Delivers uninterrupted power for critical communications and IT infrastructure.
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Industrial Backup Power: Ensures continuous operation for essential industrial systems.
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Renewable Energy Systems: Perfect for solar, wind, and hybrid energy setups requiring dependable backup storage.
What’s Included
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(1) RUiXU 48V Server Rack Battery [RX-LFP48100]
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(1) RJ45/CAT5e Communication Cable
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(1) Ground Cable
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(1) Set of Parallel 4AWG Cables per Battery
Reliable Power with a 10-Year Limited Warranty
Engineered for long-term scalability and performance, the RUiXU RX-LFP48100 delivers stable, maintenance-free power for residential, commercial, and industrial systems. Backed by a 10-year limited warranty, it’s built for reliable energy independence and long-lasting efficiency.
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: 51.2V
Nominal Capacity: 100Ah (minimum capacity @ 0.2C: 100Ah)
Nominal Energy: 5.12kWh (5120Wh)
Cycle Life: ≥ 6,000 cycles @ 90% DOD
Dimensions (W × D × H): 19" × 18.1" × 5.23" (3U)
Weight: 103.6 lbs
Operating Temperature: 14°F to 122°F
Storage Temperature: 14°F to 113°F
Communication: CANbus / RS485
Scalability: Up to 32 units in parallel (160kWh total)
Shipping Restriction: Ships with battery orders only; contact us for standalone shipping rates.
Frequently Asked Questions
Can I expand this battery system?
Yes, up to 32 batteries can be connected in parallel, providing a total capacity of 160kWh.
Is it compatible with my inverter?
Yes, it supports CANbus and RS485 protocols for seamless integration with inverters from Victron, SMA, Sol-Ark, Growatt, and others.
Can it operate in cold temperatures?
It functions down to 14°F, but for extreme cold, we recommend the self-heating RX-LFP48100-H model.
Can it be used in telecom or IT applications?
Absolutely. The 3U rack-mounted design makes it perfect for data centers, telecom racks, and UPS backup.
How long will it last?
The RX-LFP48100 provides 6,000+ cycles at 90% DOD, giving it a lifespan of 10+ years with proper maintenance.

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