On special offer
URSA 840W complete plug-in solar set for wall-mounting angled at 45-80°
- - 2x 420W (1722 x 1134 x 30 mm) full-black, bifacial N-type modules
- - 800W black microinverter
- - 2 black angled wall brackets
- - 2x 2 m DC extension cables
- - AC end cable with Schuko plug
- - Up to 25-year warranty on all components
End cable
Warranty
Examples of completed installations
See our sets after installation at customers' houses
Why our Ursa solar sets?
Save your wallet while saving the planet
Up to 844 kWh
Annual energy production
From 0.03 €
Cost per kWh produced
Up to 183 €
Annual savings
Up to 24 %
Annual bills reduction
Even less than 3 years
Payback period
Up to 676 kg/year
CO₂ emissions saved which is eaqual to 9.0% average yearly CO₂ emission of
a European citizen
Alternative to resigning from
4053
kilometers driven by car
38
steaks eaten
1.6
one-way flight from Berlin to Lisbon
Efficiency for decades
Increased energy production and enhanced durability, thanks to innovative module and microinverter technologies from industry-leading manufacturers.
Reliability in any conditions
Wind-resistant modules and mounting accessories as well as waterproof and thermally efficient microinverters ensure safety and performance no matter the weather.
Safety first
Our sets are fully certified, meeting all safety conditions. Designed with user safety in mind - both electrical and in terms of attachment.
Plug & play DIY installation
You can install our sets without any professionals, as they connect to a standard power socket.
All-in-one design
Everything you need is delivered in the package. All components are designed for a hassle-free installation within minutes.
Sleek design
All set components - modules, brackets, microinverters, and cables - have a black finish and are crafted with attention to detail to seamlessly integrate with surroundings.
Monitor with an app
Dedicated mobile app that connects to our microinverter, allowing you to easily monitor your solar production in real time and review historical data.
Unmatched full set warranty
Enjoy a comprehensive 12-year warranty on all set components, with an affordable extension option up to 25 years, offering long-term peace.
Lifelong support
We guide you through the entire process, from registration and installation to monitoring and management, ensuring a seamless and supported experience.
What’s inside the box?
OneStep.Solar sets consist of everything you need to generate energy.
Module
2x420W (1722 x 1134 x 30 mm),full-black double-sided glass-glass
New generation N-type modules
for increased energy production - exceptional performance and durability, thanks to no LID and reduced PID degradation, as well as an improved response to weak light conditions or high temperatures.
Ultra-efficient modules with modern bifacial N TOPcon type cells.
Module performance warranty extended to 30 years. 87.4% of power after 30 years.
Renowned module manufacturer.
Microinverter
800W, black
Individual optimization, separate MPPT charge controller for each module.
Maximum microinverter efficiency up to 96.7% thanks to new topology optimization.
Better thermal dissipation and highly waterproof microinverter due to the die casting and glue filling technology.
User safety assured No risk of high DC voltage - maximum voltage of 60 V. Additional protection from double-layered rapid shutdown.
Built-in WiFi (2,4 GHz) and App for Remote Monitoring.
The world's first microinverter to meet the new EMC compliance standard.
Cable set
Each cable clicks into place with a satisfying snap – completely foolproof.
AC End Cable
Length: 5m, 10m, or 15m (customer's choice)
Equipped with a Schuko plug for plug-and-play connection to the power socket.
4 x DC extension cable
2m long
For connecting the second module to the microinverter, 2 cables per module.
Simple DIY Installation - no professionals required.
All screws and installation tools are included in the set, no additional tools needed.
Seamless integration with a wall using a solid and elegant mounting bracket.
Installation without the need for surface alteration, only requires stabilization with weights - offers flexibility in space arrangement.
Tilt angle of the module designed for better utilization of solar radiation.
Weather-resistant for many years to come.
Mounting accessories
2 naścienne czarne uchwyty montażowe z regulowanym kątem, dopasowane do paneli.
Installation guide
Designed for a hassle-free installation.
Our support team is here to help at every step.
Unmatched full set warranty
Check out how our warranty surpasses market standards
Industry Standard
Module performance warranty
Module and microinverter
product warranty
product warranty
Warranty
for other components
for other components
OneStep.Solar Warranty
Module performance warranty
Comprehensive warranty for all components
You decide for how long
Want to know more?
Check out the details in our downloads section:- Datasheet - Detailed information including electrical and communication diagrams, technical parameters of components, and an overview of complied norms and certifications.
- Quick Installation Guide - Overview of installation site requirements and assembly instructions.
- Installation Manual - Comprehensive step-by-step guidelines, from preparation to system registration with the power distributor.
- Warranty Terms - Key information regarding the scope and terms of our warranty.
- Declaration of Conformity - A document confirming that our products comply with current EU standards.
- Certificates - A compilation of certificates confirming the quality and safety of our components.
To download
Brand
Symbol
5905858922045
Application
Wall or flat surfaces in garden, terrace, flat roof
Number of panels in the set
2
Module Dimensions
1722 x 1134 x 30 mm
Direct Current Input (DC)
STC (Standard Test Conditions):
Irradiance 1000 W/m², Cell Temperature 25°C, AM=1.5
Rated Power (Pmpp / Wp) [STC]
840
Rated Voltage (Vmpp / V) [STC]
31.87
Open-circuit Voltage (Voc / V) [STC]
38.44
Rated Current (Impp / A) [STC]
26.36
BSTC (Bifacial Standard Test Conditions):
Front side – irradiance 1000 W/m², Rear side – reflected irradiance 135 W/m², Ambient Temperature 25°C, AM=1.5
Maximum Power (Pmpp / Wp) [BSTC]
920
Optimum Operating Voltage (Vmpp / V) [BSTC]
31.87
Open-circuit Voltage (Voc / V) [BSTC]
38.44
Optimum Operating Current (Impp / A) [BSTC]
28.86
Module Efficiency (%)
21.5
Nominal Module Operating Temperature (NMOT)
42±2°C
Power Temperature Coefficient (Pmpp)
-0.29%/°C
Alternating Current Output (AC)
Nominal Continuous Output Power [W]
800
Max. Continuous Output Power [VA]
800
Nominal Output Current [A]
3.48
Max. Output Current [A]
4
Nominal Output Voltage [V]
230, L/N/PE
Nominal Frequency [Hz]
50
Power Factor
>0.99 default
Peak Inverter Efficiency
96.7%
Nominal MPPT Efficiency
99.9%
Night Time Power Consumption [mW]
< 50
Environmental Data
Operating Ambient Temperature Range [°C]
from -40°C to 65°C
Relative Humidity
0-100% – condensing
Enclosure Rating
IP67
Max. Operating Altitude Without Derating [m]
2000
Power cord
Wire Size
1.5 mm2
Cable Length
5 m / 10 m / 15 m
Plug Type
Schuko
Mounting accessories
Bracket
Wall-mounted bracket made of black, anodized aluminum, with adjustable angle of inclination
Inclination Angle
60° (range 45-80°)
Monitoring
Communication
Built-in WiFi module (2.4Ghz)
Energy Management
Talent Home App
Warranty
Standard Quality Warranty
12 years
Extended Quality Warranty (optional)
15 / 20 / 25 years
Performance Warranty Period
30 years
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