Wattuneed - Your Expert in Photovoltaic Solutions

Solar kit installed on the roof of a house as well as inside it, offering a renewable energy solution.

Solar kits

Our selection of products for the assembly and accessories of your installation

Mounts &
accessories

Discover our range of hybrid inverters

Hybrid
inverters

Solar panels: rigid all-black, rigid traditional blue, and flexible

Solar panels

New: DeLong Top Energy LVM15 Lithium Battery – 300 Ah, 51.2 V LiFePO4, 15.36 kWh – Grade A CALB cells, priced at €2,690 incl. VAT
Leapton N-Type 450Wp TOPCon Bifacial Solar Panel
Customise your quotation in just a few minutes.
Discover our aluminium ground-mounted mounting kit for solar panels from 160 cm to 178 cm. Portrait or landscape orientation.
Popular products

Latest posts

MQTT + Deye: 2 ways to integrate your inverter into your home automation system
MQTT + Deye: 2 ways to integrate your inverter into your home automation system
Posted in: Monitoring and Diagnostics
04/21/2026
53 views

Find out how to send data from your Deye inverter (SUN-5K, 8K, 12K, 20K) to your MQTT home automation system (Home...

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V2L vers V2H avec Deye : le hack, le schéma et les limites
V2L vers V2H avec Deye : le hack, le schéma et les limites
Posted in: Inverters
04/02/2026
938 views

Peut-on transformer un véhicule compatible V2L en pseudo-V2H avec un onduleur hybride Deye ? Oui, dans certains cas,...

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Performance agrivoltaïsme : l’essentiel IEA PVPS
Performance agrivoltaïsme : l’essentiel IEA PVPS
Posted in: Solar panels
04/02/2026
763 views

L’agrivoltaïsme suscite beaucoup de prises de position, mais beaucoup moins de lectures techniques sérieuses. Ce...

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RGIE Belgique 2026 : Nouvelles Règles Courant Continu & Stockage
RGIE Belgique 2026 : Nouvelles Règles Courant Continu & Stockage
Posted in: Inverters
04/01/2026
1575 views

Depuis le 1er avril 2026, les modifications du RGIE (Règlement Général sur les Installations Électriques) en Belgique...

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Popular posts

Photovoltaic installations: Everything you need to know about French legislation
Photovoltaic installations: Everything you need to know about French legislation
Posted in: Solar kits, Economy & Regulation
03/26/2025
51775 views
This comprehensive guide details French legislation governing photovoltaic installations, from administrative...
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Deye Hybrid Inverter Configuration: Complete Engineering Manual 2026
Deye Hybrid Inverter Configuration: Complete Engineering Manual 2026
Posted in: Installation & Configuration, Comparisons & Buying Guides
01/12/2026
35550 views
Comprehensive technical guide to Deye hybrid inverter configuration: energy bus architecture, critical BMS...
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Complete guide: Installing and setting up the Marstek Venus battery
Complete guide: Installing and setting up the Marstek Venus battery
Posted in: Solar batteries, Technologies & chemicals
07/08/2025
29057 views
Find out how to easily install and set up your Marstek Venus battery to optimise your home solar energy storage.
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AC Coupling 2025: Complete Guide 6 Hybrid Inverter Configurations
AC Coupling 2025: Complete Guide 6 Hybrid Inverter Configurations
Posted in: Inverters, Sizing & Selection, Installation & Configuration
11/15/2025
28963 views
Master the 6 AC Coupling configurations to add batteries to your existing photovoltaic installation: Deye, Sofar,...
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Representational image of the electrical diagrams available on our website

Assembly diagrams

Our solar simulator and its production chart

Production simulator

Discover our various articles on photovoltaics in our blog.

Discover our blog

Learn How to Install Your Standalone Solar Kit Step by Step

Want to become energy-independent with solar power? With L'ArchiPelle and Julien, discover all the steps to install your standalone solar kit easily, from preparation to commissioning.

Tutorial video: installing your standalone solar kit with L'ArchiPelle and Julien

Discover L'ArchiPelle on YouTube: exclusive videos on self-sufficiency and permaculture! Check out the channel now!