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SunWell Energy

5.12kWh 6.2kW Off-grid All-in-One ESS

5.12kWh 6.2kW Off-grid All-in-One ESS

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Model

This off-grid all-in-one ESS integrates a 5.12kWh LiFePO4 battery with inverter and energy management in one enclosure for turnkey residential storage. It delivers solar self-consumption, overnight backup and intelligent load management while reducing on-site wiring and commissioning time.

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5.12kWh 6.2kW Off-grid All-in-One ESS — Technical Specifications
MODELSW-PA6.2k5LV1
Rated Power6200VA/6200W
INPUT
Nominal Voltage230Vac(Settable)
Selectable Voltage Range170-280Vac(UPS) / 90-280Vac(Appliances)
Nominal Input Frequency50/60Hz(Auto Sensing)
OUTPUT
Nominal Voltage230Vac(Settable)
Surge Power12400VA
Frequency50/60Hz(Auto Sensing)
Peak Efficiency 96% (PV to INV)
Peak Efficiency93%(Battery to INV)
Transfer Time10ms(UPS) / 20ms(Appliances)
WaveformPure Sine Wave
Overload Protection60s@105%~110% Load / 10s@110%~140% Load / 5s@≥140% Load
BATTERY
Battery TypeLiFePO4
Battery Voltage51.2Vdc
Combination Method16S1P×1
Rated Capacity100Ah
Energy Storage5.12kWh
Battery Voltage Range42.0~58.4Vdc
SOLAR CHARGER & AC CHARGER
Solar Charger TypeMPPT
Max. PV Array Power6500W
Max. PV Array Open Circuit Voltage500Vdc
MPPT Operating Voltage Range60~450Vdc
Max. PV Input Current27A
Max. Solar Charge Current120A
Max. AC Charge Current100A
PHYSICAL
Product Dimension (W×D×H)Inverters: 190×726×440mm / Battery: 460×760×340mm
Net Weight60kg
Display ConfigurationSegment LCD / Segment LCD+RGB LED / 3.5" Color LCD / 7" Color LCD
CommunicationRS232/RS485(BMS)/Bluetooth/WiFi
Lithium Battery ActivationYES(By PV or Utility)
Parallel CapacityYES(Optional)
Type Of AC Output ConnectionTerminal Block×1 / 10A Universal Socket/13A UK/16A EU/ect. Standard Socket×1
OPERATING ENVIRONMENT
Operating TemperatureCharge: 0°C to 50°C / Discharge: -10 to 50°C
Storage Temperature-20°C to 25°C
Humidity5%~95% Relative Humidity(Non-condensing)

Features

  • Integrated battery, inverter and energy management in one pre-configured enclosure for simplified deployment.
  • 5.12kWh of LiFePO4 storage delivers reliable solar self-consumption and overnight backup for homes.
  • Floor-mounted design with minimal footprint fits utility rooms, garages and sheltered indoor spaces.
  • Intelligent energy management enables time-of-use scheduling, solar optimization and automatic backup switching.
  • Built-in LCD / +RGB LED / 5" / 7" Color LCD provides real-time system status and performance data.
  • Multi-layer protection covers battery, inverter and grid connection for safe residential operation.

Applications

  • Residential solar self-consumption: Maximizes PV utilization by storing daytime generation for evening use.
  • Home backup power: Provides automatic backup during grid outages for essential household circuits.
  • Time-of-use optimization: Reduces electricity bills by shifting load to off-peak hours.
  • New solar installation: Simplifies system design with a single integrated unit instead of separate components.
  • Retrofit storage addition: Adds battery storage to existing solar arrays with minimal system modification.
  • Remote home power: Delivers reliable off-grid or weak-grid energy supply for rural properties.

Integrated Architecture

The unit combines battery storage, inverter and energy management into a single pre-configured enclosure, eliminating separate component sourcing and compatibility testing. With 5.12kWh of built-in LiFePO4, it delivers turnkey residential storage that reduces installer deployment time and project complexity.

Intelligent EMS

An intelligent energy management system dynamically routes power between solar PV, battery, grid and loads based on real-time conditions. It supports time-of-use scheduling, self-consumption optimization and seamless grid-to-backup switching, all managed through a single LCD / +RGB LED / 5" / 7" Color LCD interface.

Warranty

LiFePO4 batteries for 5 years, hybrid inverters for 2 years, and solar panels under the supplier policy of a 10-year product warranty plus 30-year linear power warranty. If you experience any quality issues within the applicable warranty period, please contact us and we will arrange a replacement or repair promptly.

Frequently Asked Questions

What system configuration does this 5.12kWh off-grid all-in-one ESS support?

The unit integrates battery, inverter and energy management in a single enclosure, providing 5.12kWh of storage with solar PV input and grid or off-grid operation. Contact our team with your site requirements for a tailored configuration.

Can I expand the system storage capacity later?

Yes. The unit supports battery expansion to increase total storage as your energy needs grow. Our technical team can advise on compatible expansion modules and configuration limits for your specific setup.

What monitoring and communication does the system offer?

The unit works with RS232 / RS485 / Bluetooth / WiFi communication and provides real-time status through its LCD / +RGB LED / 5" / 7" Color LCD interface, so you can track SOC, power flow and alerts on-site or remotely. Contact our team for integration options with your monitoring platform.

What warranty and after-sales support comes with the system?

The product is backed by a 5-year warranty. If you experience any quality issues within the warranty period, contact us and we will arrange a replacement or repair promptly. Our technical team also assists with configuration and troubleshooting.

Expert Support

Our team of solar energy experts is ready to help you find the perfect solution for your needs.

Fast Response

We typically respond to all inquiries within 24 hours during business days.

Custom Solutions

Every project is unique. Let us design a solar solution tailored to your specific requirements.