User Manual
7
Introduction
2.1 What's wattsonic all-in-one ess
The future of sustainable energy
Wattsonic All-in-One ESS is an intelligent hybrid energy storage system that turns solar panels into an all-day resource
while offering backup power during a grid outage. It enables renewable energy storage, allowing optimized home
energy control and increasing total electricity production from renewable sources. Reliable renewable energy improves
the resiliency of the grid, reduces energy costs, and increases the impact of electric vehicle ownership.
Power when needed
Wattsonic All-in-One ESS enables energy storage from solar panels during the day or from the grid when energy rates
are low, discharges energy for backup or use at night, and automatically optimizes home energy. Wattsonic All-in-One
ESS thereby maximizes solar consumption and reduces energy spending.
A exible solution
Wattsonic All-in-One ESS can be charged from solar or grid power, providing backup power.
If more energy is needed, multiple Wattsonic All-in-One ESSs can be installed together to work as a more extensive
system.
This manual is an integral part of Wattsonic 4.0–20.0 kW-3P series three-phase high-voltage hybrid inverters (after this
referred to as the inverter). It mainly introduces assembly, installation, electrical connection, debugging, maintenance,
and troubleshooting of the products.
The products, services, or features purchased are subject to the commercial contracts and terms of Wuxi Wattsonic
Energy Technology Co., Ltd., All or part of the products, services, or features described in this document may not be
within the purchase scope. This document serves only as a guide; all statements, information, and recommendations do
not constitute any express or implied guarantee.
Before Using
3.1 How to use this manual
3.2 Target groups
Before installing and using inverters, please read this manual carefully, understand the safety information, and be familiar with
the functions and characteristics of inverters.
The manual content of subsequent inverter versions may be subject to change. You can nd the newest manual at www.
wattsonic.com.
This manual applies to electrical installers with professional qualications and end-users, who should have the following skills:
a) Training for installation and commissioning of the electrical system, as well as dealing with hazards.
b) Knowledge of the manual and other related documents.
c) Knowledge of the local regulations and directives.
