Flat roof volt duo 800

€790,00 €664,00 Save 16%
Tax included. Shipping calculated at checkout.
10 in stock
Included in the set
  • 2 solar modules: Choice of Meyer Burger 380 WP, Solarwatt 420 WP glass film or Solarwatt 420 WP glass glass
  • 1 micro inverter (800 watts)
  • 2 Lorenz mounting sets for your flat roof
  • 1 Schuko connection cable (3, 5, or 10 meters)
  • Accessories: solar panel corner protectors
  • Optional: DCU measurement & throttling incl. app
  • Optional: DC extension cable

Attention: Ballasting stones not included. For ballasting, we recommend paving slabs measuring 30x30x4 cm or 30x30x5 cm.

solar panel: SOLARWATT Panel classic AM 2.0 405 W Black Glass film
Schuko connection cable: No

Pickup available at Balkonvolt Zentrallager

Usually ready in 2-4 days

  • 14 days right of withdrawal
  • Shipping faster
  • Premium solar panels
  • Individuelle Beratung
solar panel: SOLARWATT Panel classic AM 2.0 405 W Black Glass film
Schuko connection cable: No


We answer numerous other questions in our FAQs .


The FlachDachVolt Duo set is the perfect choice for anyone who wants to generate even more renewable energy on their flat roof. With two high-quality solar modules and a powerful micro inverter, you can double your power generation and optimize your energy yield.

The duo set was specially developed for use on flat roofs and allows you to efficiently convert sunlight into electricity. If you have enough space for two solar panels and want to create a sustainable power source, this set is the right choice. Installation is simple and does not require complex wiring or electricians.

scope of delivery

The Flat Roof Volt Duo set includes the Lorenz mounting system for the flat roof, two SOLARWATT or Meyer Burger panels, the powerful micro-inverter HERF-800, Schuko connection cable (3, 5, or 10 meters) and 8x Balcony Volt panel protectors for each module. Optionally, you can add the SmartLife meter, the Smart App communication unit or a DC extension cable to monitor your home's energy consumption.

  • 1x micro inverter HERF-800: The powerful micro inverter converts the direct current from your two solar modules into efficient alternating current. Maximize your energy yield and make optimal use of solar energy.
  • 2x SOLARWATT Panel or Meyer Burger Panel: The high-quality solar modules efficiently generate electricity from solar energy. With a long service life and resistance to the elements, you can benefit from your investment in the long term.
  • 2x Lorenz mounting system for flat roofs: A robust and reliable mounting system that was specially developed for installing two solar modules on flat roofs.
  • 1x Schuko connection cable in different lengths for connecting to the power grid.
  • Optional: Smart App Communication Unit: This unit allows you to monitor the operation of your solar system and track your home's energy consumption. It can be optionally added to better monitor your energy production and usage.
  • Optional: SmartLife measuring device (Wifi smart plug IP44): Monitors the energy consumption of your home and makes the data available on your smartphone or tablet.
  • Optional: DC extension cable

Attention: Ballasting stones not included.


solar panels

Meyer Burger

Product guarantee: 30 years
Performance guarantee: 30 years

1.0% degradation in the 1st year

0.2% annual degradation

solar watts

Product warranty: 15 years (extendable to 20 years)
Performance guarantee: 25 years

25 year performance guarantee
to 84.8% nominal power according to "Warranty conditions for
solar watts”

All downloads are available in the document area.


We take care of the registration with your network operator and the registration in the market master data register.


Our solar modules are from Solarwatt and Meyer Burger. The leading manufacturers in the field of renewable energies.


The exact guarantee for the product and service can be found in the "Warranty" section.

Test winner 2022 / 2023


The DGS safety standard 0001:2019-10 guarantees that the plug-in solar modules can be operated just as safely as the larger photovoltaic systems.

For every weather condition