Residential LiFePO₄ Battery

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Residential LiFePO₄ Battery
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Designed for home solar energy storage and low-voltage battery backup systems. Operating at a nominal voltage of 51.2V.Built with an integrated Battery Management System (BMS), the battery provides protection against overcharge, over-discharge, over-current, short circuit, and abnormal temperature conditions. It supports RS485 and CAN communication interfaces for connection with compatible mainstream inverters.
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Solar DC Cable
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Description

Key Features

High-capacity residential energy storage: 14.34kWh or 16.08kWh per battery module

51.2V low-voltage platform: Suitable for residential and small commercial battery systems

Parallel expansion: Supports up to 16 battery units in parallel

Long service life: ≥6000 cycles at 80% DOD and 0.5C discharge rate

Integrated BMS protection: Including charging overvoltage, discharge undervoltage, over-current, short-circuit, and thermal protection

High current capability: Up to 200A maximum charging and discharging current

Inverter communication: RS485 and CAN communication ports

Natural air cooling: No active cooling system required

Bluetooth connection: Supports battery status monitoring through Bluetooth connection

Certified for transport and market access: UN38.3, MSDS, and CE

Typical Application Scenarios

Residential Solar Energy Storage

The LFP512 Series can store surplus electricity generated by rooftop PV systems during the daytime and supply stored energy during the evening or periods of low solar generation.

Home Backup Power Systems

Suitable for homes requiring backup power for essential loads such as lighting, communication equipment, refrigerators, security systems, and selected household appliances.

Hybrid Solar Systems

The battery can be integrated with compatible hybrid inverters to support solar self-consumption, battery charging, load supply, and grid-connected energy management.

Off-Grid or Weak-Grid Areas

For residential projects in areas with unstable grid supply, the battery can be used as part of a solar-plus-storage system to improve power availability and energy independence.

Expandable Residential Energy Storage

With support for up to 16 parallel battery units, the system can be expanded to meet higher energy-storage requirements for larger homes, villas, multi-building residences, or small commercial backup systems.

Consider the Following Before Selection:

Confirm that the inverter supports 51.2V battery systems and communicates through CAN or RS485.

Calculate the required usable battery capacity according to daily load consumption, desired backup duration, and the recommended 90% depth of discharge.

Check whether the installation location is suitable for an IP20-rated indoor battery.

Confirm that the charging and discharging current requirements are within the battery's rated and maximum current limits.

For larger systems, determine the required number of parallel battery modules according to total energy demand and inverter configuration.

Technical Specifications

Electrical Characteristics

Parameter LFP512-280A LFP512-314A
Battery Type Lithium-ion Lithium-ion
Nominal Voltage 51.2V 51.2V
Module Capacity 280Ah 314Ah
Nominal Energy 14.34kWh 16.08kWh
Output Power 10.24kW 10.24kW
Upper Charge Voltage 57.6V 57.6V
Discharge Cut-off Voltage 44.8V 44.8V
Self-discharge Rate <3% per month <3% per month
Cycle Life ≥6000 cycles @ 80% DOD, 0.5C discharge rate ≥6000 cycles @ 80% DOD, 0.5C discharge rate
Maximum Charging Current 200A 200A
Maximum Discharging Current 200A 200A
Peak Current 210A @ 10s 210A @ 10s
Recommended Depth of Discharge 90% 90%
Certifications UN38.3, MSDS, CE UN38.3, MSDS, CE

Mechanical Characteristics

Parameter LFP512-280A LFP512-314A
Battery Cell Layout 16S 16S
Product Dimensions (W × D × H) 414 × 250 × 921mm 414 × 250 × 921mm
Packing Dimensions (W × D × H) 985 × 480 × 380mm 985 × 480 × 380mm
Net Weight 114.6kg 114.6kg
Gross Weight 126.4kg 126.9kg
Protection Rating IP20 IP20
Maximum Parallel Connection 16 pcs 16 pcs
Charging Temperature 0°C to 70°C 0°C to 70°C
Discharging Temperature -20°C to 70°C -20°C to 70°C
Power Terminal Combination screw fastening Combination screw fastening
Cooling Method Natural air cooling Natural air cooling

BMS Protection and Communication

Parameter LFP512-280A LFP512-314A
Rated Charging and Discharging Current 0–155A 0–155A
Maximum Charging and Discharging Current 200A 200A
Discharge Protection Voltage 43.2V 43.2V
Charge Protection Voltage 58.4V 58.4V
Float Charge Voltage 57.6V 57.6V
Over-current Protection 230A 310A
Short-circuit Protection Supported; recovers after load disconnection Supported; recovers after load disconnection
Communication Port RS485 / CAN RS485 / CAN

 

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