48V 100Ah 5kWh Rack Mount Lithium Battery – 19" Server Rack LiFePO4 Battery
Model #: CXR48100 SKU: CXR-48-100-5kWh
Product Details
48V 100Ah 5.12kWh Rack Mount Lithium Battery
The Chargex® 48V 100Ah LiFePO4 Rack Mount Battery is a high-performance 5.12kWh energy storage solution designed for solar systems, off-grid power, backup power systems, and commercial energy storage installations. Built in a standard 19-inch rack mount format, this lithium battery integrates easily into server racks and battery cabinets.
Using advanced LiFePO4 (Lithium Iron Phosphate) technology, this battery delivers long cycle life, high safety, and superior thermal stability compared to traditional lead-acid batteries.
With ≥6000 cycle life, low self-discharge, and integrated communication ports (CAN / RS485 / UART), this battery is ideal for solar energy storage, inverter systems, telecom backup, and home battery storage systems.
Key Features
• 5.12kWh Energy Storage Capacity
51.2V 100Ah lithium battery provides reliable power for solar and backup applications.
• Long Cycle Life
Designed for ≥6000 cycles, delivering years of dependable performance.
• 19" Rack Mount Design
Industry standard server rack format for clean installation in battery cabinets and energy storage racks.
• LiFePO4 Safety Technology
Lithium Iron Phosphate chemistry provides excellent thermal stability and safety.
• High Continuous Power Output
Supports 100A continuous discharge and 110A peak output.
• Smart Communication Interfaces
Supports CAN, RS485, and UART communication protocols for inverter integration and battery monitoring.
• Low Self-Discharge
Less than 3% per month, allowing long storage without significant capacity loss.
• Wide Operating Temperature Range
Engineered to operate in a variety of environmental conditions.
Technical Specifications
Nominal Voltage: 51.2V
Rated Capacity: 100Ah
Nominal Energy: 5120Wh (5.12kWh)
Battery Chemistry: LiFePO4 (Lithium Iron Phosphate)
Cycle Life: ≥6000 Cycles
Charge Voltage: 58.4V
Discharge Cut-off Voltage: 47.0V
Recommended Charge Current: 20A – 50A
Maximum Continuous Charge Current: 100A
Maximum Continuous Discharge Current: 100A
Peak Discharge Current: 110A
Environmental Specifications
Charging Temperature: 0°C – 55°C
Discharge Temperature: -20°C – 65°C
Storage Temperature: 0°C – 45°C
Self-Discharge Rate: <3% per month
Physical Specifications
Case Material: Metal Case
Weight: Approx. 46 kg
Dimensions (L × W × H):
482 × 425 × 177 mm (±2 mm)
Standard 19-inch rack mount battery format
Communication & Integration
Communication Interfaces:
CAN / RS485 / UART
Optional Features:
Bluetooth
WiFi
Display Monitoring
Compatible with many 48V solar inverters and energy storage systems.
Performance Test Results
20°C Discharge Capacity
Battery charged using standard charging method and discharged at 1C rate.
Measured discharge capacity must be ≥95% of nominal capacity.
55°C High Temperature Discharge Test
Battery charged using standard method and stored for 5 hours at 55°C ±2°C, then discharged at 1C to cut-off voltage.
Measured discharge capacity must be ≥80% of nominal capacity.
Charge Retention & Recovery
Battery charged using standard method and stored:
• 28 days at normal temperature
• 7 days at 55°C
Capacity retention ≥80%
Capacity recovery ≥90%
Applications
• Solar energy storage systems
• Off-grid power systems
• Home battery backup systems
• Telecom backup power
• Commercial energy storage
• Server rack battery systems
• Inverter battery banks
What is a 48V Rack Mount Lithium Battery?
A 48V rack mount lithium battery is a modular energy storage battery designed to fit into a standard 19-inch server rack cabinet. These batteries are commonly used in solar energy storage systems, off-grid power systems, telecom backup power, and commercial energy storage installations.
Rack mount lithium batteries use LiFePO4 (Lithium Iron Phosphate) chemistry, which provides excellent safety, long cycle life, and high efficiency compared to traditional lead-acid batteries.
The 48V battery format has become the industry standard for solar inverters and hybrid energy systems because it allows higher power output with lower current compared to 12V or 24V battery systems.
Advantages of Rack Mount Lithium Batteries
Rack mount lithium batteries offer several advantages for energy storage systems:
Space Efficient Design
The 19-inch rack format allows multiple batteries to be installed in a compact cabinet, making it ideal for home energy storage or commercial installations.
Expandable Energy Storage
Multiple batteries can be connected in parallel to increase system capacity for larger solar systems.
Long Cycle Life
LiFePO4 rack batteries typically provide 4000–6000+ cycles, allowing many years of reliable operation.
High Efficiency
Lithium batteries deliver higher efficiency and faster charging compared to traditional lead-acid batteries.
Integrated Battery Management System (BMS)
Modern rack mount lithium batteries include built-in BMS protection to monitor voltage, temperature, and current for safe operation.
Why 48V Batteries Are Used in Solar Energy Storage
Most modern solar inverters and hybrid inverter systems are designed to work with 48V battery banks because they provide:
• higher power output
• improved system efficiency
• lower cable losses
• safer current levels compared to lower voltage systems
This makes 48V LiFePO4 rack batteries one of the most popular choices for residential and commercial energy storage systems.
Typical Uses for 48V Rack Mount Lithium Batteries
48V rack mount batteries are commonly used in:
• solar energy storage systems
• off-grid solar installations
• home battery backup systems
• telecom backup power systems
• commercial energy storage systems
• server rack battery cabinets
• inverter battery banks
Why Choose a Chargex Rack Mount Lithium Battery
The Chargex 48V 100Ah rack mount lithium battery provides:
• 5.12kWh energy storage capacity
• ≥6000 cycle life
• LiFePO4 lithium iron phosphate chemistry
• CAN / RS485 communication for inverter integration
• standard 19-inch rack mount design
This makes it a reliable solution for solar battery storage, off-grid power systems, and backup power applications.
