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SOONEST 48V/51.2V LiFePO4 Home Energy Storage Battery | 5kWh–30kWh

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The SOONEST 48V/51.2V LiFePO4 battery provides reliable energy storage for residential solar and backup power systems. Available in multiple capacity configurations, it features an integrated BMS, inverter communication options and expandable storage for on-grid, hybrid and off-grid applications.

Product Details

Reliable LiFePO4 Battery Storage for Home Solar Systems

The SOONEST 48V/51.2V LiFePO4 Battery Pack is designed for residential solar energy storage, backup power and off-grid electricity systems.

Available in multiple capacity configurations, the battery stores excess electricity generated by solar panels for use at night, during periods of low solar generation or when the utility grid is unavailable.

Its modular design allows the energy-storage capacity to be selected according to household electricity consumption, backup-time requirements and solar-system size.

Key Features

Multiple Battery Capacities

Different configurations are available to meet a wide range of energy-storage requirements.

Available options may include:

  • 100Ah
  • 200Ah
  • 500Ah
  • 5kWh
  • 15kWh
  • 17.5kWh
  • 20kWh
  • 30kWh

The exact voltage, ampere-hour rating and usable energy depend on the selected model.

48V and 51.2V System Options

The battery series is available for compatible 48V or 51.2V energy-storage systems.

These common battery-voltage platforms make the system suitable for many residential hybrid inverters, off-grid inverters and solar charging systems.

Battery voltage must be matched correctly with the inverter before installation.

Safe LiFePO4 Battery Technology

The battery uses lithium iron phosphate technology, which is well suited to stationary energy-storage applications.

LiFePO4 batteries provide several advantages:

  • High thermal stability
  • Reliable charge and discharge performance
  • Long operating life
  • Low maintenance requirements
  • No memory effect
  • High usable energy capacity
  • Stable performance during repeated cycling

Actual cycle life depends on depth of discharge, charge rate, operating temperature and system settings.

Built-In Battery Management System

The integrated Battery Management System monitors and manages battery operation.

Available BMS protection functions may include:

  • Overcharge protection
  • Over-discharge protection
  • Overcurrent protection
  • Short-circuit protection
  • Overtemperature protection
  • Low-temperature protection
  • Cell-voltage monitoring
  • Cell balancing
  • Battery status monitoring
  • Fault detection

Protection functions vary according to the selected battery model.

Solar Energy Storage

During the daytime, excess electricity generated by solar panels can be stored in the battery instead of being wasted.

The stored energy can later be used to power household loads during:

  • Evening and nighttime hours
  • Cloudy weather
  • Peak electricity-price periods
  • Utility-grid interruptions
  • Periods of low solar generation

This helps increase solar self-consumption and reduce dependence on grid electricity.

Backup Power Capability

When paired with a compatible hybrid or off-grid inverter, the battery can supply stored energy to designated loads during a power outage.

Typical backup loads may include:

  • Lighting
  • Refrigerators
  • Televisions
  • Computers
  • Internet equipment
  • Security systems
  • Fans
  • Small water pumps
  • Essential household appliances

Backup duration depends on battery capacity, battery state of charge and total connected load.

Modular Capacity Expansion

Selected models may support parallel battery connection, allowing users to increase total storage capacity when additional backup time or daily energy storage is required.

This flexible design allows the system to be expanded as household electricity consumption increases.

Parallel quantity and connection requirements must be confirmed according to the selected battery and inverter models.

Inverter Communication

Selected battery models may support communication with compatible solar inverters through interfaces such as:

  • CAN
  • RS485
  • RS232

Communication allows the inverter to receive battery information such as state of charge, voltage, current, temperature and warning status.

The communication protocol must be confirmed before ordering.

User-Friendly Monitoring

Depending on the selected model, the battery may include a display or status indicators for viewing important operating information.

Available information may include:

  • Battery state of charge
  • Battery voltage
  • Charging status
  • Discharging status
  • Operating current
  • Battery temperature
  • Alarm information
  • Communication status

Flexible Installation Options

Different enclosure and installation styles may be available, including:

  • Wall-mounted battery
  • Floor-standing battery
  • Rack-mounted battery
  • Stackable battery modules
  • Cabinet-type energy-storage system

The appropriate design can be selected according to available installation space and required storage capacity.

Typical Applications

The SOONEST LiFePO4 battery system is suitable for:

  • Residential solar energy storage
  • Home backup power
  • Off-grid solar systems
  • Hybrid solar systems
  • Villas and apartments
  • Farms and rural properties
  • Cabins and remote homes
  • Small offices
  • Retail stores
  • Telecom backup systems
  • Areas with unstable utility power
  • Time-of-use energy management
  • Emergency power systems
  • Solar self-consumption projects

How the Battery System Works

Solar panels generate electricity during daylight hours.

The hybrid inverter first supplies electricity to connected loads. Excess solar energy can then be used to charge the LiFePO4 battery.

When solar generation decreases, the battery discharges through the inverter to power household equipment. If both solar and battery energy are insufficient, utility electricity can supply the remaining power in a hybrid system.

During a grid outage, stored battery energy can supply designated backup loads when the inverter and electrical system are correctly configured.

Main Benefits

  • 48V and 51.2V battery options
  • Multiple energy-capacity configurations
  • Safe LiFePO4 battery chemistry
  • Integrated Battery Management System
  • Suitable for solar energy storage
  • Reliable household backup power
  • Modular capacity expansion
  • Compatible with selected hybrid and off-grid inverters
  • CAN and RS485 communication options
  • Low routine maintenance
  • Flexible installation designs
  • Suitable for on-grid and off-grid applications

Product Selection Guide

Please provide the following information before ordering:

  • Required battery capacity
  • Required backup duration
  • Average daily electricity consumption
  • Maximum connected load
  • Existing inverter brand and model
  • Required battery voltage
  • Solar-panel system capacity
  • Required installation type
  • Available installation space
  • Required communication protocol
  • Number of batteries required
  • On-grid, off-grid or hybrid application

Our technical team can recommend a suitable battery capacity and inverter-compatible configuration based on your project requirements.

Important Notes

  • Confirm whether the inverter requires a 48V or 51.2V battery.
  • Verify the inverter’s supported battery-voltage range.
  • Confirm CAN or RS485 communication compatibility before ordering.
  • Do not mix batteries with different voltages, capacities or states of charge.
  • Parallel connection must follow the manufacturer’s instructions.
  • Installation should be completed by qualified solar or electrical technicians.
  • Capacity, appearance, communication functions and installation method may vary by model.

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