Epoch Batteries 48V 100Ah Self-Heating LiFePO4 Rack Battery

Epoch Batteries 48V 100Ah Self-Heating LiFePO4 Rack Battery

This 48V 100Ah LiFePO4 server rack battery provides 5.12kWh of nominal energy for home energy storage, off-grid solar, backup power, and residential energy systems. It features a 3U rack-mount design, integrated self-heating, CAN/RS485 inverter communications, 100A continuous discharge, and support for parallel expansion up to 32 batteries.

Key Features

• 100Ah LiFePO4 Capacity: Provides 100Ah of nominal capacity and 5.12kWh of stored energy at 51.2V.
• 3U Server Rack Design: Designed for standard 19-inch rack and compatible battery-cabinet installations.
• Self-Heating: Integrated heating technology supports charging in cold conditions when incoming charging current is available.
• 100A Continuous Discharge: Supports up to 100A continuous discharge for compatible home energy storage and backup-power systems.
• 70A Maximum Charge Current: Supports up to 70A charging with compatible lithium battery charging equipment.
• CAN and RS485 Communication: Supports closed-loop communication with compatible inverter systems and configured communication protocols.
• Wide Inverter Compatibility: Supports communication with compatible systems from brands including Victron, Sol-Ark, Growatt, SMA, Deye, Sunsynk, Solis, Schneider, Luxpower, Goodwe, Studer, Voltronic, Alpha-Outback, Sofar, SAJ, MEGAREVO, TBB, and MPP.
• Parallel Expansion: Supports up to 32 matched batteries in parallel for larger 48V energy-storage systems.
• Advanced BMS Protection: Provides protection against overcharge, over-discharge, over-current, short circuits, and high or low temperature conditions.
• 6,000+ Cycle Life: Designed for repeated daily deep-cycle operation with maintenance-free LiFePO4 chemistry.
• IP20 Protection: Intended for dry, protected indoor rack installations.
• 11-Year Warranty: Backed by an 11-year manufacturer warranty.

Specifications

• Brand: Epoch Batteries
• Model / SKU: SR48100H
• Battery Type: 48V 100Ah Self-Heating LiFePO4 Server Rack Battery
• Rack Format: 3U / Standard 19-inch rack compatible
• Chemistry: LiFePO4 / Lithium Iron Phosphate
• Cell Configuration: 16S1P
• Nominal Voltage: 51.2V
• Nominal Capacity: 100Ah
• Nominal Energy: 5.12kWh
• Usable Energy: 4.92kWh at 0.2C
• Charge Voltage: 56.0V
• Float Voltage: 54.6V
• Operating Voltage Range: 48.0V to 56.0V
• End Discharge / Inverter Cutoff: 48.0V
• Restart Voltage: 52.0V
• Maximum Continuous Discharge: 100A
• Recommended Discharge Current: ≤50A
• Maximum Charge Current: 70A
• Recommended Charge Current: ≤50A
• Peak / Surge Discharge: Less than 119A for 5 minutes; less than 200A for 15 seconds
• Communication Ports: CAN / RS485
• Closed-Loop Communication: Supported with compatible configured inverter systems
• Series Configuration: Do not wire in series
• Parallel Configuration: Maximum 32 batteries in parallel
• Maximum 32-Battery Bank: Approximately 163.84kWh nominal energy
• Internal Heating: Yes
• Charge Temperature Range: -10°C to 50°C with communication
• Discharge Temperature Range: -20°C to 50°C with communication
• Heating Start Condition: Battery temperature from -25°C to 5°C with incoming current ≥0.08C
• Heating Completion Condition: Battery temperature ≥12°C
• Recommended Operating Environment: 15°C to 35°C, 5%–75% RH
• Self-Discharge Rate: ≤3% per month / ≤15% per year
• Rack Height: 3U / approximately 5.2 inches
• Dimensions: 17.4 × 18.1 × 5.2 inches
• Metric Dimensions: 442.0 ±2 mm W × 460.0 ±2 mm D × 133.5 ±2 mm H
• Weight: Approximately 101 lb / 46 kg
• Enclosure Protection: IP20
• Cycle Life: 6,000+ cycles
• Warranty: 11-year manufacturer warranty

Recommended Use

Suitable for compatible 48V home energy storage systems, residential solar backup, off-grid power walls, cabins, workshops, farms, barns, utility spaces, and rack-mounted energy-storage systems using compatible inverter and charging equipment.

Compatible Inverter Communication

The battery supports CAN and RS485 communication for configured closed-loop integration with compatible inverter systems. Supported inverter examples include Victron, Sol-Ark, Growatt, SMA, Deye, Sunsynk, Solis, Schneider, Luxpower, Goodwe, Studer, Voltronic, Alpha-Outback, Sofar, SAJ, MEGAREVO, TBB, and MPP. Confirm the correct communication protocol, DIP settings, cable pinout, and inverter firmware before commissioning.

Charging Specifications

• Bulk / Absorption Voltage: 14.2V to 14.6V
• Float Voltage: 13.4V to 13.8V
• Equalization: Disabled
• Temperature Compensation: 0 / disabled
• Recommended Charge Rate: 50% of the battery or battery-bank capacity
• Battery Charge Temperature Range: 0°C to 55°C / 32°F to 131°F
• Battery Discharge Temperature Range: -20°C to 60°C / -4°F to 140°F

Installation Note

This battery is intended for dry, protected indoor installations such as server racks, battery cabinets, utility rooms, garages, workshops, and similar environments. The IP20 enclosure is not intended for outdoor exposure, rain, washdown, or direct water contact.

System Expansion

Up to 32 matched batteries can be connected in parallel to expand total 48V energy storage. Large battery banks require appropriate communication wiring, busbars, overcurrent protection, disconnects, cable sizing, inverter configuration, and qualified system design.

This 48V 100Ah LiFePO4 rack battery provides 5.12kWh of energy storage with self-heating, CAN/RS485 inverter communication, scalable parallel expansion, Smart BMS protection, and a 3U server rack format for compatible indoor energy-storage systems.