Wattsonic Li-HV Residential Single Phase Hybrid

FAQ
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Enpower your new life.

A home storage system designed to store your clean energy, so you can use it anytime you want. Say goodbye to power outage and power failure, is designed to satisfy your whole-home demand.

Support from 3.0kW to 8.0kW power, and up to 19.2 kWh per system, Wattsonic Li-HV single phase series can suit various senarios for your house. With all components integrated into a system, you can easily install and use for your family. Industry-leading warranty ensures worry-free usage.

The whole-home backup system
Declares your energy independence

Three Phase Hybrid Inverter

The Wattsonic hybrid inverter can output the direct current(DC) from the rooftop solar PV array into alternating current(AC), so your home or business loading can use it directly.
Li-HV Master BMS

The Master BMS can monitor the state of the whole battery system in real time, and keep communication with inverter to adjust charge/discharge and protection strategy dynamically according to the real-time battery running state.
Li-HV Battery Module

Wattsonic high voltage battery modules are integrated with slave BMS, keep sensoring the voltage and temperature of each individual cells, and balancing the cells during charge and discharge.

Customizable operating modes ensure a more comfortable experience

Cloud-based artificial intelligence algorithms will constantly check the data to create the appropriate automatic, built-in operating mode for your home. You may switch via the app between general and various running modes with a quick glimpse and click.
From installation to configuration, everything is fully customizable

Versatile mounting options with a modular design—wall-mountable or stackable. Simplified installation allows quick setup, even by one person, with easy household interconnection and commissioning.

Modular design enables customizable battery integration, supporting up to 19.2 kWh capacity and 20 kW power output

Facilitation of installation

All-in-One. Wattsonic provides pre-packed connectors, cables, and accessories for plug-and-play installation—no extra prep needed.

Easy Installation. The system is fully equipped for quick setup, saving time and effort.

Space-Saving Design. The 3-in-1 system (Power, Communication, Earthing) simplifies battery module connections for hassle-free use.

Guaranteed Performance, Stable Power for Years

With its exceptional performance, the Wattsonic Li-HV storage battery is designed to maintain optimal condition and ensure a long lifespan. We also offer an optional 10,000 cycles at 90% DOD or a 10-year standard warranty, backed by advanced LiFePO4 technology.

10 years

standard warranty
10,000 cycles

at 90% DOD of battery
1C/1C

continual charge and discharge

Unmatched peak capacity for powerful performance

97.6% max. efficiency
Max. 15A PV input current
Within 10ms UPS-level switching
Max. 30A charge/discharge current

IP65 protection degree
Low operating noise
Easy WIFI configuration via App
Comprehensive Data Insights Powered by BMS
WattDesk Cloud one-stop management integrated
Automatic Alerts & Remote Firmware Updates

Boost your experience with intelligent WattDesk cloud management

WattDesk is more than a robust monitoring and digital tool that gives users constant access to real-time system data and remote control. It also works as an open, high-freedom communication channel that helps business users solve problems with the fastest response. The management procedure can be initiated anytime and anywhere via the app or the desktop, offering maximum flexibility to you.

Endless possibilities

Endless possibilities

All essential data here

Number of 3.84 kWh Battery Modules	3	4	5	6	7	8
Battery Capacity	230V/11.5kWh	307V/15.3kWh	384V/19.2kWh	460V/23.0kWh	537V/26.8kWh	614V/30.7kWh

Inverter Max. DC Input Power [kW]	4.8-12.8
Number of MPP Trackers of Inverter	1/2
Rated Output Power to Grid [kW]	3.0-8.0

- Number of 3.84 kWh Battery Modules
  
  Battery Capacity
- 3
  
  230V/11.5kWh
- 4
  
  307V/15.3kWh
- 5
  
  384V/19.2kWh
- 6
  
  460V/23.0kWh
- 7
  
  537V/26.8kWh
- 8
  
  614V/30.7kWh
- Inverter Max. DC Input Power [kW]
  
  Number of MPP Trackers of Inverter
  
  Rated Output Power to Grid [kW]
- 4.8-12.8
  
  1/2
  
  3.0-8.0

Frequently asked questions

The inverter doesn’t work or the screen has no display.

Please check if there is DC power from PV panels, and make sure the inverter itself or external DC switch is on. If it is the first installation, please check if the "+” and "-" of DC terminals are connected inversely.
Some accessories are missing.

If there are any missing accessories during installation, please check the accessory list to check the missing parts and contact your dealer or Wattsonic local technical service center.
The user manual is lost.

Please go to the download center of Wattsonic official website to download the relevant type of Online user manual. If you can’t download, please contact Wattsonic technical local service center.
There is a large power fluctuation on battery charge/discharge.

Check the following items:
1.Check if there is a fluctuation on load power;
2.Check if there is a fluctuation on PV power on Wattsonic Portal.If everything is ok but the problem persists, please contact Wattsonic local technical service center.
SOC changed after restart the system.

When restarting the system, SOC only depends on the battery voltage. After a whole charging and discharging process, SOC will be accurate.