
SunGoldPower | 48V 100AH Server Rack LiFePO4 Lithium Battery SG48100P
51.2V | 100Ah | 5.12kWh | UL1973 Certified | Modular Design | 10-Year Warranty

The SG48100P 48V 100AH Server Rack LiFePO4 Lithium Battery is engineered for long-lasting performance, safety, and expandability—perfect for residential and commercial solar energy storage systems. With a compact 51.2V, 100Ah (5.12kWh) configuration, this battery delivers over 7,000 deep cycles and boasts a lifespan of up to 15 years, backed by a 10-year warranty.
Equipped with an advanced Smart BMS, it provides robust protection against overcharge, deep discharge, overheating, and short circuits. It supports CAN, RS485, and RS232 protocols, ensuring broad inverter compatibility with leading brands like Growatt, Deye, Victron, Luxpower, and more.
Modular and scalable, the SG48100P can be connected in parallel with up to 32 units, achieving a massive 163.84kWh of total capacity—ideal for off-grid homes, backup systems, or energy storage in commercial setups.
Key Features
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Long-Lasting Power: Delivers 5.12kWh with over 7,000 deep cycles, providing dependable energy storage for up to 15 years.
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UL1973 Certified Safety: Built to meet high safety standards for residential and commercial use.
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Smart Battery Management System: Actively manages voltage, current, and temperature for optimal safety and performance.
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Flexible Integration: Supports CAN/RS485/RS232 communication protocols for seamless integration with a wide range of inverters.
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Expandable Capacity: Connect up to 32 batteries in parallel for a total of 163.84kWh—great for large-scale storage needs.
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Complete Installation Kit: Includes LCD display, rack-mountable design, cables, and all accessories for a hassle-free setup.
Technical Specifications
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Nominal Voltage: 51.2V
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Rated Capacity: 100Ah (5.12kWh)
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Battery Type: LiFePO₄ (LFP)
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Cycle Life: >7,000 cycles (80% DOD)
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Certifications: UL1973
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Communication Protocols: CAN, RS485, RS232
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Parallel Expansion: Up to 32 units (163.84kWh)
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BMS Protection: Overcharge, deep discharge, overcurrent, short-circuit, thermal protection
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Warranty: 10 years
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The SG48100P Lithium Battery is tailored for energy storage systems, offering a meticulously engineered and high-performing standard battery pack. Compact, easy to install, and maintenance-free, it seamlessly integrates into parallel installations within energy storage systems, effectively boosting their capacity. Its applications span across various domains, including home setups, small-scale commercial ventures, industrial energy storage systems, and beyond.
Specifications
Battery Model | SG48100P |
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Chemistry | Lithium iron phosphate battery |
Nominal | 51.2V |
Recommended Charging Voltage | 54.5V |
Charging Limited Voltage | 42V |
Nominal Capacity | 100A |
Nominal Energy | 5.12kWh |
Unit Dimension (LxWxH) | 19.3 in x 18.9 in x 5.5 in |
Unit Weight | 93lbs |
Maximum cut-off voltage for charging | 102A(5.22kWh@15s) |
Maximum cut-off voltage for charging | 57.6V |
Standard Continuous Charge/Discharge Rate | 50A |
Discharge cut-off voltage | 43.2V |
Communication Protocol | RS232/RS485/CAN Support multiple protocols |
Cycle Life | ≥7000 |
Calendar Life | ≥15 Year |
Operating Temperature | Battery Charging:0~45°C Battery discharging:-20~60°C |
Maximum AllowedModules in Parallel | Supports up to 16 batteries in parallel |
Storage Temperature | -10~+45°C |
Certificates | CE UN38.3 UL is comming soon |
Manuals and Downloads
FAQ
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What is the typical capacity of a 48V server rack battery?
Typically, customers opt for 4 to 6 units, but the 48V server rack battery can support up to 32 units in parallel, providing a maximum capacity of 163.84kWh. This makes it ideal for both residential and commercial applications, enhancing self-consumption in energy storage systems. -
What are the benefits of using 48V server rack batteries?
The key advantages of 48V server rack batteries include:
- Improved Efficiency: Higher voltage systems reduce current, which minimizes energy loss in wiring.
- Space-Efficient Design: Perfect for maximizing space in server racks.
- Scalability: Easy to expand as energy demands grow.
- Longer Lifespan: Lithium-ion technology offers significantly more charge cycles than traditional lead-acid batteries.
- Enhanced Safety: The integrated Battery Management System (BMS) ensures protection from overcharging and overheating.
Warranty
10 Years Warranty
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Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

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