RUiXU Battery
RUiXU RX-LFP48100 51.2V 100Ah 5.12kWh Server Rack LiFePO4 Battery
$1,059.00
In Stock
No sales tax collected at checkout where applicable.
Estimated delivery
Calculating current delivery window…
Secure checkoutProtected payment
Free shippingView shipping policy
Eligible returnsView return policy
Authorized dealerRUiXU Battery warranty
Need help choosing?
Not sure if this is the right setup for you?
Chat with our team, call support or check your expected loads before ordering.
Call 1-844-747-6767
Open Power Planner
RUiXU RX-LFP48100 51.2V 100Ah 5.12kWh Server Rack LiFePO4 Battery
Build a scalable 48V battery bank for home backup, off-grid solar, and energy storage with the RUiXU RX-LFP48100 5.12kWh server rack battery.
Key Features
- 5.12kWh LiFePO4 storage for 48V systems
- Rack-mounted 3U design for compact battery banks
- Supports up to 32 units in parallel for large storage systems
- Designed for inverter communication through CAN/RS485 protocols
- UL1973 and UL9540A certified battery platform
Specifications
| Brand | RUiXU |
| Model | RX-LFP48100 |
| Product Type | Server Rack LiFePO4 Battery |
| Nominal Voltage | 51.2V |
| Capacity | 100Ah |
| Energy | 5.12kWh / 5120Wh |
| Dimensions | 19 x 18.1 x 5.23 in |
| Weight | 103.6 lb |
| Parallel Support | Up to 32 units |
| Warranty | 10 years |
| Certifications | UL1973, UL9540A, CEC, SGIP |
Package Includes
1 RX-LFP48100 51.2V 100Ah Server Rack Battery
Package Includes
1 RJ45/CAT5e Patch Cable
Package Includes
1 Ground Cable
Package Includes
1 Parallel 4AWG Battery Cable Set
| RUiXU RX-LFP48100 51.2V 100Ah 5.12kWh Server Rack LiFePO4 Battery | |
| Model SKU | RX-LFP48100 |
|---|---|
| MODEL | |
| Product Type | Battery |
| ELECTRICAL | |
| Nominal Voltage | 51.2 V |
| Nominal Energy | 5.12 kWh |
| Battery Chemistry | Lithium iron phosphate (LiFePO4) |
| Nominal Capacity | 100 Ah |
| Usable Energy | 4.92 kWh under the manufacturer data-sheet test basis |
| Operating Voltage Range | 44.8-56.0 V |
| Charge Voltage | 56.0 V |
| Float Voltage | 54.6 V |
| Recommended Charge Current | 50 A |
| Maximum Charge Current | 70 A |
| Recommended Discharge Current | 50 A |
| Maximum Discharge Current | 100 A |
| Peak Discharge Current | 101-119 A for 5 minutes; 120-149 A for 15 seconds |
| Design Life | 15 years |
| Parallel Expansion | Up to 32 matched units, scaling from 5 kWh to 160 kWh without an external controller |
| Cell Chemistry | LiFePO₄ |
| Maximum Parallel Units | 32 |
| Battery Features | LiFePO4 chemistry |
| CONNECTIONS | |
| Communications | RS485 and CAN with DIP-switch inverter protocol selection |
| PHYSICAL | |
| Dimensions | 18.9 × 5.2 × 18.1 in (482 × 133.5 × 460 mm), 3U |
| Weight | Approximately 47 kg (103.6 lb) |
| OPERATING LIMITS | |
| Certifications | UL 9540A, CE, IEC 62619, UL 1973, and UN 38.3 |
| Cycle Life | At least 6,000 cycles at 90% depth of discharge |
| BMS Protections | Over-discharge, over-charge, over-current, and cell-balancing protection |
| Ingress Protection | IP20 |
| Operating Temperature Range | 14°F to 122°F (-10°C to 50°C), with derating near the limits |
| Storage Temperature Range | 14°F to 113°F (-10°C to 45°C) |
| Warranty | 10 years |
| PACKAGE | |
| Included Components | 1 × RX-LFP48100 51.2V 100Ah Server Rack Battery, 1 × RJ45/CAT5e Patch Cable, 1 × Ground Cable, 1 × Parallel 4AWG Battery Cable Set |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.

