Dysun Energy works to safeguard the safety of home batteries and energy storage systems during transport and during use. Our products are made to the highest standards and are fitted with technology that keeps them safe, reliable and protected, from the factory to the final destination.
Every module tells you what happened on the way
Every module ships with tilt and impact indicators (G2 ShockWatch). On delivery you see straight away whether there was a knock on the way or during installation.
Without an indicator, damage only comes to light later, when it is hard to show where it happened. With an indicator you see it at a glance.
It also shows us where in the chain something happened, so we can resolve it quickly. The condition of your system is demonstrable rather than assumed.
The safety is in the product itself, not in the leaflet
A home battery sits in a house or commercial building for years. That is why the protection is built into the design: several layers that catch each other, so one deviation never immediately becomes a problem.
An integrated aerosol fire suppression system
Dysun Energy is one of the few suppliers with an integrated aerosol fire suppression system inside a home battery. That gives extra assurance against fire risk on overheating, inside the module itself.
Seven safety layers one behind the other
The system works with a seven-layer safety system. Each layer watches its own aspect of operation, from cell level to system level, so a deviation is spotted and caught before it can carry on.
LFP cells as the starting point
The FlexVolt One works with LFP cells (LiFePO4). The system is specified at 7,000 cycles and the battery modules carry a ten-year warranty. What has to stay safe also has to last.
Up to the local conditions
The enclosure has protection rating IP66 and the system works between -20 and 50 degrees Celsius. A heating module is included, so the battery keeps working within that range in frost as well.
You see it before you notice it
With the FlexGrid energy management system the installation can be followed in real time and warnings go out by SMS. So you know what is going on at the moment it is going on, and not only once something stands out.
Suitable for every application
The system can be used on-grid, on-grid with backup and off-grid, on the wall or on the floor. Which set-up it becomes you decide together with the installer.
- Cell chemistry
- LFP (LiFePO4)
- Safety system
- 7 layers
- Fire suppression
- integrated, aerosol
- Protection rating
- IP66
- Operating temperature
- −20 to 50 °C
- Transport monitoring
- G2 ShockWatch per module
Tested before it comes your way
Our products are tested strictly for safety, including with the UN 38.3 test for lithium batteries. That test is aimed specifically at a battery surviving transport and then being safe to put into use.
The products also carry UL certification and CE marking. That means they meet the safety requirements and the worldwide standards that apply to energy storage systems and batteries. That is not a paper matter: it is the substantiation you can request and show.
The certifications and standards in one place: CE, UKCA, UL 1973, UL 9540, IEC/EN 62619, UN 38.3, the safety data sheet (MSDS) and CEI 0-21. If a customer asks for that documentation, we send it over.
Certification and standards of the Dysun Energy systems
Whoever fits it decides how safe it stays
A safe system needs a good installation. That is why in the Netherlands we deliver only through certified installers.
They fit Dysun Energy products to the applicable standards, so what we safeguard in the factory also holds up in the meter cupboard.
The FlexSwitch One, which moves a home onto backup, is fitted by a qualified electrician in line with the local wiring rules. That is work for a professional.
Demonstrably tested hardware
The tests, the standards and the warranty period are in black and white. That saves explaining up front and doubt afterwards.
10-year warranty ManagementWorking with Dysun Energy
Delivery in the Netherlands runs through certified installers. The installer page explains what that partnership involves.
for installers InsightYou see what the system does
Real-time monitoring and reporting per day, quarter and year show what the system does. Trust is built with figures, not with promises.
reporting and SMS alertsOrdering directly is not possible through this site, but it is through our ERP platform.
Warranty and service
A warranty period says little as long as it is not clear what it applies to. This is what is recorded.
- Battery modules
- 10 years modules · 5 years inverter · 70% after 7,000 cycles
- Inverter
- 5 years
- Applies to
- FlexVolt One LV and HV
- Specified service life
- 7,000 cycles
- Installation
- certified installer
- Service and faults
- support@
dysun.energy - By phone
- +31 (0)85 800 1730
- Report a fault
- within 3 months
The installation is carried out by a certified installer; that is also the first point of contact in the event of a fault. If it is about a system that is already fitted and you cannot resolve it through the installer, the service address above takes you directly to Dysun Energy.
The full conditions, the capacity warranty and the exclusions are on the warranty page. If you want to see the underlying warranty document, request it through support@dysun.energy.
Questions about safety or certification?
Is an insurer, a grid operator or your installer putting a question to you that you want to back up firmly? Get in touch and we will send the documentation and go through the certification with you.