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
AIKO NEOSTAR 3S+ DUAL GLASS-GEN3 470Wp solar panel for £120 instead of £130.95.
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.
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Latest posts

RGIE Belgique 2026 : Nouvelles Règles Courant Continu & Stockage
RGIE Belgique 2026 : Nouvelles Règles Courant Continu & Stockage
Posted in: Electrical wiring and equipment
04/01/2026
5 views

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

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Raccordement batterie Enedis 2026 : démarches, Consuel, dossier
Raccordement batterie Enedis 2026 : démarches, Consuel, dossier
Posted in: Solar kits
04/01/2026
60 views

Vous ajoutez une batterie à une installation photovoltaïque en France ? En 2026, le point clé n’est pas de confondre...

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Solar Retrofit: Unlock the potential of your micro-inverters with a Deye inverter
Solar Retrofit: Unlock the potential of your micro-inverters with a Deye inverter
Posted in: Inverters, MPPT sizing, Comparisons & Buying Guides
03/31/2026
227 views

Find out how to add affordable storage to your existing micro-inverter system using a Deye hybrid inverter, without...

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Deye Inverters in Belgium: The Synergrid 170% ‘Cheat Code’ (Oversizing Guide)
Deye Inverters in Belgium: The Synergrid 170% ‘Cheat Code’ (Oversizing Guide)
Posted in: Inverters, Solar batteries, Installation & Configuration, MPPT sizing
03/20/2026
1117 views

Find out how to turn the Deye 8K into a 23.3 kWp power station whilst staying within the Synergrid limit of 10 kVA....

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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
47117 views
This comprehensive guide details French legislation governing photovoltaic installations, from administrative...
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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
24882 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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How to install and commission Pylontech US5000 batteries
How to install and commission Pylontech US5000 batteries
Posted in: Solar batteries, Installation & Configuration
08/27/2025
22705 views
Complete guide to installing and commissioning Pylontech US5000 solar batteries, including parallel configuration and...
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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
21729 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!