Global-EN
Global / English
Saudi Arabia / الإمارات
Italy / Italiano
Germany / Deutsch
About
What's New
Contact Us
Join Us
For Home
HM Single-Phase
HM Three-Phase
EV DC Charging
EV AC Charging
ESYSUNHOME APP
Smart Energy
For C&I
ES 130-261 PV ESS
ES 130-261 ESS
ESYSUNHOME Cloud
Partner
Sales Partner
Service Partner
Order management system
Dashboards of partner system
Installer
Become an Installer
Certification & Training
Find a Distributor
Resources
Products
Single-Phase
Three-Phase
EV DC Charging
EV AC Charging
ES 130-261 PV ESS
ES 130-261 ESS
Support
Download
Warranty
FAQ
Video
Service Outlets
Order Now
For Home
HM Single-Phase
HM Three-Phase
EV DC Charging
EV AC Charging
ESYSUNHOME APP
Smart Energy
For C&I
ES 130-261 PV ESS
ES 130-261 ESS
ESYSUNHOME Cloud
Partner
Sales Partner
Service Partner
Order management system
Dashboards of partner system
Installer
Become an Installer
Certification & Training
Find a Distributor
Resources
Products
Single-Phase
Three-Phase
EV DC Charging
EV AC Charging
ES 130-261 PV ESS
ES 130-261 ESS
Support
Download
Warranty
FAQ
Video
Service Outlets
About
What's New
Contact Us
Join Us
Order Now
Home
>
Support Center
>
FAQ
>
How long does a remote upgrade take?
Dec 22, 2025
Dongle: 2–5 minutes
DSP: ~20 minutes
MCU: ~10 minutes
Battery: 30–45 minutes
Previous >
What should I do if the system shows “offline”?
Next >
Will a system upgrade affect electricity usage?
Global-EN
