> For the complete documentation index, see [llms.txt](https://docs.voltmasters.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.voltmasters.io/device-integrations/battery-systems/dyness.md).
# Dyness
Our EMS supports battery systems from Dyness.
Dyness provides lithium-ion energy storage solutions for residential, commercial, and industrial applications.
### Supported devices
We support Dyness battery systems for integration within our EMS platform.
These systems can be connected for centralized monitoring and control as part of a broader energy management setup.
* **DH100F**
* **DH200F**
* **DH200Y**
### PV on the integrated MPPT
The DH100F and DH200F carry an integrated MPPT, so a PV array can be connected straight to the battery system. Our EMS creates that array automatically as a separate PV device under the battery system as soon as the unit reports strings on its MPPT. Nothing has to be added by hand.
* Enter the **production capacity** of the array on the PV device once it appears, so the forecast and the reports are correct.
* The array is curtailable: our EMS limits the solar production through the MPPT when the site calls for it, for example on negative prices or an injection limit. One limit governs the whole MPPT, so the strings are curtailed together.
{% hint style="info" %}
The DH200Y has no MPPT. On that model no PV device appears.
{% endhint %}
### EMS functionality
With the current integration, our EMS enables:
* Monitoring of battery status and performance
* Smart charging and discharging control
* Monitoring and curtailment of the PV production on the integrated MPPT
* Optimization of self-consumption
* Peak shaving and load balancing
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