March 2026 Update

More stable battery operation

Avoid unnecessary battery consumption when charging with variable electricity tariffs
The battery is better protected during charging processes and no longer discharges unnecessarily if it has reached its charging target in advance during a low-rate phase.

Improved device compatibility

Improved optimisation with EEBus-enabled devices (e.g. heat pumps)
Devices now automatically receive the correct power release, even without additional hardware. This prevents them from getting stuck in a restricted operating mode.

More accurate calculations

Improved energy calculation for inverters
The energy is now calculated on the basis of actual power values - for greater accuracy.

System optimizations

Fewer unnecessary log entries
Background processes have been optimized to keep the system logs clearer.

New features

Battery & energy management

Extended schedules for the battery
New option: "Prevent discharge" - is set by Manager when tariff optimisation is active → The battery will be specifically prevented from discharging at certain times. 

This prevents the battery from discharging if, for example, a vehicle is to be charged in a tariff-optimized manner. In this way, the battery retains its stored electricity for higher-priced phases.

Note: Some batteries continue to consume low power in standby mode. In these cases, "Discharge" may still be displayed in the system even though the function is active.
 

Automatic battery assignment for cluster systems
Batteries are now automatically assigned correctly when setting up a cluster of multiple inverters & batteries - this simplifies setup and reduces errors.
 

Ability to create manual Battery schedules in the portal
An update of the SOLARWATT Manager portal to support the creation of manual schedules for charging or preventing discharge of your SOLARWATT Battery will take place in April, but this update lays the technical groundwork for this.

Improvements to the setup interface

System time display
The current system time is now displayed in the dashboard - matching the selected language and region.
 

Improved login area
Important system information can now be viewed before logging in. Translations have also been improved.
 

Improved translations
Texts have been made easier to understand, especially when setting up PV plants.
 

Warning when removing devices
When deleting a device, it is now clearly indicated that all data will be permanently removed.
We recommend using the "Replace device" option to avoid data loss.

System & platform

New interface for device overview
Devices can now be viewed more easily via an additional system function.

Improved support for devices without their own energy values
The system can now calculate energy itself if devices do not provide this data.