FAQ

Summary of Common Problems

What should be checked before installation?
A: Before installation, please confirm that:
All components and accessories are complete.
Installation tools and safety equipment are prepared.
Cable specifications meet installation requirements.
The installation environment complies with local electrical standards.
How long does system commissioning usually take?
A: Residential ESS commissioning typically takes around 5 minutes, while commercial and industrial projects may require approximately 10 minutes depending on system complexity.
Does the inverter need grounding?
A: Yes. Proper grounding is required to ensure electrical safety and stable system operation.
Can the system operate in high-temperature environments?
A: Yes. EENOVANCE systems are designed for reliable operation under high-temperature conditions, but proper ventilation is recommended.
What should I do if accessories are missing?
A: Please check the packing list in the user manual and contact your distributor or EENOVANCE support team immediately.
Can the system work during a grid outage?
A: Yes. Backup-enabled systems can continue supplying power to critical loads during power outages.
Is internet connection required during commissioning?
A: Wi-Fi or Ethernet connection is recommended during commissioning for monitoring setup and firmware updates.
What kind of product does EENOVANCE manufactured?

Hybrid Inverter: 4kW/6kW/8kW

Residential Battery: 5kWh~25 kWh

C&I Battery: 60kWh~229kWh

C&I All in one cabinet:

50kW/60kWh, 105kW/221kWh, 200/418kWh,

125kW/261kWh, 250kW/522kWh, 500kW/1044kWh

Uitlity-scale BESS: 5.016MWh

Which inverter brand does your battery protocol support?

We support most of the inverter in the market, Check the details of the compatible Inverter.

Can your battery be installed in parallel?

Yes, all of our battery supports parallel connection, maximum 15 batteries in parallel.

What kind of cell balancing technology do you use in the battery?

We use passive cell balancing in our battery pack.

Which company is your battery cell supplier?

We mainly use battery cell from REPT Energy.

Does your battery supports remote monitoring?

Yes, our low voltage battery has optional external WIFI dongle, high voltage has built-in WIFI in the BCU. The remote monitoring APP is EENOVANCE. It can be searched in the app store.

What does the warranty cover?

The warranty covers defects caused by poor workmanship or defective materials, ensuring the product's reliability under specified conditions.

What is the warranty period for the residential energy storage battery?

The warranty period varies by product model. Generally, our batteries come with a standard valid warranty of 10 years or 6,000 cycles, whichever comes first, under conditions of 80% DOD, 25°C, 0.5C, and 70% EOL.. Please refer to the specific product manual or warranty document for details.

What should I do to activate my warranty?


Ensure the warranty card is stamped by the EENOVANCE or dealer, filled in, and kept in good condition without any scratches or alterations.

What documents are required to claim warranty service?

You need the original warranty card and the invoice showing the product's serial number.

How can I contact EENOVANCE for support?

You can reach EENOVANCE at our headquarter office via phone at +86 755 86566313 or contact us at https://www.eenovance.com/contact-us

What happens if the product’s serial number is missing or altered?

Warranty claims will be invalid if the serial number is missing, modified, or illegible.

Where are EENOVANCE's subsidiaries/offices located?

We have established global subsidiaries/offices in Germany, Poland, Nigeria, Myanmar, South Africa and etc. Each site integrates sales and service capabilities to provide localized support and faster response.

Where is your manufacturing facility located?

Our primary R&D center is based in Shenzhen, China. Manufacturing operations are carried out in both Shenzhen and Dongguan, ensuring strong production capacity and flexibility to meet growing global demand.

How large are your manufacturing facilities, and what is your production capacity?

Our manufacturing facilities span over 20,000 square meters, equipped with automated and digitalized production lines. With an annual capacity exceeding 6.5GWh, we are well-positioned to support global needs across residential, commercial, and utility energy storage markets.