Complete Photovoltaic Kits | Off Grid, Plug & Play | MR WATT

photovoltaic kits

MR WATT photovoltaic kits are complete solutions that include solar panels, inverters and—where applicable—storage systems already matched and tested together. Whether you are looking for an off-grid photovoltaic kit for a home not connected to the grid, a plug and play system for the balcony, or a standalone system for a cabin, camper or swimming pool, here you will find the kit already configured and ready for installation.

Which photovoltaic kit is right for you?

The choice mainly depends on how the system will be used and where the user is located. Here are the available categories:

  • Home photovoltaic kits (off grid) — standalone systems for homes not connected to the power grid. They include a hybrid or off-grid inverter, batteries and panels sized to cover basic household consumption.
  • Plug and play kits — quick solutions for balconies or terraces, compliant with CEI 0-21. Ideal for reducing your bill without complex authorizations. Power from 400 W to 1 kW with integrated micro inverter.
  • Cabin and countryside kits — off-grid systems for shelters and rural homes with limited access to the grid. Sized for essential loads: lights, refrigerator, small appliances.
  • Camper and marine kits — flexible or rigid panels for installation on the roof of campers, caravans and boats. Compatible with 12/24 V MPPT controllers.
  • Swimming pool kits — photovoltaic systems dedicated to powering pool pumps and filters, with storage to ensure continuity even in the evening hours.

What does an MR WATT photovoltaic kit include?

Each kit is made up of selected components that are compatible with each other. Depending on the type, you will find:

  • Monocrystalline or bifacial photovoltaic panels (power from 100 W to 500 W per module)
  • Off-grid, hybrid or micro inverter (depending on the application)
  • MPPT charge controller (in off-grid and camper kits)
  • AGM, GEL or LiFePO4 batteries (in kits with storage)
  • Pre-assembled MC4 cables and connectors

Frequently asked questions about photovoltaic kits

What is a photovoltaic kit and what makes it different from buying the components separately?

A photovoltaic kit is a set of components already selected and sized to work together: panels, inverter, charge controller and—in off-grid systems—batteries. Buying a kit avoids compatibility errors between components (e.g., incorrect string voltage compared to the inverter) and simplifies installation, since all elements are balanced for the same rated power.

What is the difference between an off-grid photovoltaic kit and a plug and play one?

An off-grid kit is a system completely independent from the public power grid: it produces energy, stores it in batteries and supplies it even at night or with cloudy skies. It is designed for isolated homes, cabins and systems not connected to the utility. A plug and play kit, on the other hand, connects to the home grid via a standard Schuko or CEI 17-13 socket, feeds directly into consumption and reduces the bill, but does not store energy: when the sun sets, the system shuts down.

Do balcony plug and play kits require authorizations?

Plug and play kits up to 800 W compliant with the CEI 0-21 standard can be installed without building permits and with simple communication to the grid operator (in many cases only a prior notification). For higher power levels or in the case of a condominium, it is necessary to check local provisions and condominium regulations. MR WATT provides kits already compliant with CEI 0-21 with a certified inverter and included documentation.

How much space do I need to install a 1 kW off-grid photovoltaic kit?

A 1 kW kit with 500 Wp panels requires about 3.5–4 m² of south-facing surface with an optimal tilt of 30–35°. With 400 Wp panels it comes to about 4.5–5 m². Average annual production in central-southern Italy is about 1,300–1,500 kWh/year per kWp installed, with peaks in summer and lower values in winter.

Does MR WATT offer assistance in choosing the photovoltaic kit?

Yes. MR WATT’s technical team is available via chat, phone and e-mail to support the choice of kit based on actual consumption, available surface area and the type of installation. MR WATT also produces custom photovoltaic panels—custom sizes and power—for special applications where standard formats are not suitable.

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Subcategories

Off-grid photovoltaic kits - Autonomous solar energy
Off-Grid photovoltaic kits
Photovoltaic kits for cabins - Solar energy in remote locations
Cabin and countryside kit
Photovoltaic kits for campers and boats - Mobile solar energy
Camper and boating kit
Photovoltaic kits for pools - Solar energy for your system
Pool kit
Plug and play photovoltaic kits - Immediate solar energy
Plug and Play Kit
Balcony Solar Kit 800W with 2.24 kWh Storage | MR WATT
Balcony Solar Kit 800W with 2.24 kWh Storage
In Stock
Balcony PV kit with Marstek B2500 2.24 kWh storage and Marstek M2-800 800 W AC microinverter with 2 MPPTs. The microinverter is declared compliant with CEI 0-21.
Italy regulatory note: this system must not be described as “Plug & Play” under CEI 0-21, which reserves that category for systems with nominal power ≤350 W. Any use of ARERA's Comunicazione Unica must be checked on the final PV configuration; the TICA threshold is nominal plant power <800 W.
€1,230.00 Tax escl.
800W Balcony Photovoltaic Kit Micro Inverter WiFi | MR WATT
800W Balcony PV Kit with WiFi Microinverter 2xMPPT CEI 0-21
In Stock
800 W balcony PV kit with two modules, WiFi microinverter with 2 independent MPPTs, IP67 and mounting brackets.Italy regulatory note: a system of this size must not be described as “Plug & Play” under CEI 0-21, which reserves that category for systems with nominal power ≤350 W. Any use of ARERA's Comunicazione Unica must be checked on the final PV configuration; the TICA threshold is nominal plant power <800 W.
€450.00 Tax escl.
White Solar Pool Light | MR WATT
White moonlight LED lamp for swimming pool, solar powered, with magnet or adhesive
Professional-grade solar underwater LED light for pools and fountains, Moonlight model: a soft white glow that mirrors the moon on the water. Not a supermarket light: OSRAM Opto LED, a real 3200 mAh lithium battery, 320 lm, up to 7 hours of light per hour of sun. No wiring, no masonry, no electricity bill.
Sealed housing built to last season after season in chlorinated and saltwater. Available in two mounting versions: Magnet (liner pools and steel walls) or Adhesive (tiles, polyester, painted surfaces). Choose the mode in the field below.
€169.00 Tax escl.
Marstek LiFePO4 Battery Module 10.24 kWh | MR WATT
MARSTEK Additional Battery Module Up to 10.24 kWh Plug & Play Expansion
Marstek additional LiFePO4 battery module for expanding the Marstek Jupiter C Plus system up to 10.24 kWh total. Stackable design, Plug & Play connection, IP65 protection. Fast installation without modifying the existing system. Weight 23 kg, dimensions 32x16.5x48 cm.
€800.00 Tax escl.
2150W On-Grid Solar Kit Solis Mini S6 2kW | MR WATT
Single-phase photovoltaic kit 2150W Solis mini 2kW inverter connected to the grid
2150W grid-connected solar kit with Solis Mini S6 2kW single-phase string inverter (IP66, AFCI, CEI 0-21), 5× TW Solar 430W total black half-cell monocrystalline panels, 800V DC combiner box and WiFi monitoring dongle. Ideal for small rooftops, apartments and holiday homes. Net metering ready. Export Power Management integrated.
Kit includes: 5× TW Solar 430W total black panels · Solis Mini S6 2kW inverter (IP66, AFCI) · DC combiner box 800V · Solis WiFi dongle.
€860.00 Tax escl.
115W 12V Solar Kit MPPT Victron 60Ah Battery | MR WATT
-€20.00
Photovoltaic kit 115W 12V Poly Regulator 10A MPPT AGM Battery 60Ah
The 115W 12V solar kit with MPPT Victron controller and 60Ah AGM battery is an off-grid solution built with Victron Energy components. Ideal for powering lamps, fridges and TVs at 12V in campers, cabins and remote sites: self-produce energy and store it in the battery to use whenever you need.
-€20.00
€325.00 €305.00 Tax escl.
Victron 185W Monocrystalline Camper Photovoltaic Kit
-€40.00
Kit fotovoltaico camper completo 185W Victron Energy
The Victron Energy 185W photovoltaic kit is the ideal solution for those seeking energy independence in campers, boats, cabins, or any off-grid setting.
Designed with high-quality components, it ensures efficiency, reliability, and ease of installation.
-€40.00
€550.00 €510.00 Tax escl.
Blue Solar Pool Light | MR WATT
Blue LED solar-powered pool lamp with magnet or adhesive
Professional-grade solar underwater LED light for pools and fountains, intense scenic blue. Not a supermarket light: OSRAM Opto LED, a real 3200 mAh lithium battery, constant 320 lm, 7 hours of light per hour of sun. No wiring, no masonry, no electricity bill.
Sealed housing built to last season after season in chlorinated and saltwater. Available in two mounting versions: Magnet (liner pools and steel walls) or Adhesive (tiles, polyester, painted surfaces). Choose the mode in the field below.
€185.00 Tax escl.
Custom nautical photovoltaic kit for boats and yachts
Custom Photovoltaic Kits for Boating
The photovoltaic kits for nautical use from mrwatt.eu are custom-designed for every type of vessel.
From selecting custom solar panels (rigid, flexible, semi-flexible) to supplying charge controllers, inverters, and AGM or Lithium batteries, each system is designed to ensure autonomy, efficiency, and durability in the marine environment.


🔋 Sail freely, with your energy always on board.
Details View details  
Custom photovoltaic kit for campervans and vans | mrwatt.eu
Customized Photovoltaic Kits for Campers and Vans
We create custom photovoltaic kits for campers and vans, starting with custom-made solar panels – rigid, flexible, or semi-flexible – designed to perfectly fit any surface, even curved or inclined.
We complete each system with charge controllers, inverters, and AGM or Lithium batteries, ensuring efficiency, autonomy, and reliability during travel.
Details View details  
670W 24V Solar Kit for Country Cabins | MR WATT
Solar kit for country cabin 670W - 24V
In Stock
The 670W 24V solar kit for cabins and country homes is a photovoltaic generator with 2 panels of 335 Wp and a high-efficiency PWM controller, ideal for cabins and remote rural dwellings. It powers 24V or 230V appliances (with inverter, not included). Batteries, inverter and mounts not included.
€340.00 Tax escl.
100 W Solar Kit for Electric Fence | MR WATT
100 W Solar Kit for Electric Fence Elettro100
In Stock
100 W Elettro100 solar kit for an electric-fence energiser battery, suitable for 12 V batteries from about 60 to 120 Ah.Panel, controller and MC4 included; battery and energiser are not included.
€80.00 Tax escl.
200 Wp 12V Off-Grid Solar Kit STARTER+200 | MR WATT
200 Wp 12V Off-Grid Solar Kit STARTER+200
In Stock
STARTER+200 200 Wp 12 V off-grid solar kit with 20 A PWM dusk controller and 100 Ah AGM battery.For LED lighting, surveillance and small loads in remote sites.
€225.00 Tax escl.
170 Wp 12V Off-Grid Solar Kit STARTER+170 | MR WATT
170 Wp 12V Off-Grid Solar Kit STARTER+170
In Stock
STARTER+170 170 Wp 12 V off-grid solar kit with 10 A PWM dusk controller and 100 Ah AGM battery.For LED lighting, surveillance and small loads in remote sites.
€215.00 Tax escl.
100 Wp 12V Off-Grid Solar Kit STARTER+100 | MR WATT
100 Wp 12V Off-Grid Solar Kit STARTER+100
In Stock
STARTER+100 100 Wp 12 V off-grid solar kit with 10 A PWM dusk controller and 70 Ah AGM battery.For LED lighting, surveillance and small loads in remote sites.
€192.00 Tax escl.
80 Wp 12V Off-Grid Solar Kit STARTER+80 | MR WATT
80 Wp 12V Off-Grid Solar Kit STARTER+80
In Stock
STARTER+80 80 Wp 12 V off-grid solar kit with 10 A PWM dusk controller and 42 Ah AGM battery.For LED lighting, surveillance and small loads in remote sites.
€164.00 Tax escl.
800 Wp 24V Off-Grid Solar Kit EUREKA XL | MR WATT
800 Wp 24V Off-Grid Solar Kit EUREKA XL
In Stock
800 Wp 24V Off-Grid Solar Kit EUREKA XL with Triron MPPT 30 A, two 100 Ah lead batteries and cabling.Off-grid energy for cabins, country properties and remote sites.
€570.00 Tax escl.
400 Wp 12V Off-Grid Solar Kit EUREKA L | MR WATT
400 Wp 12V Off-Grid Solar Kit EUREKA L
In Stock
400 Wp 12V Off-Grid Solar Kit EUREKA L with Triron MPPT 30 A, one 100 Ah lead battery and cabling.Off-grid energy for cabins, country properties and remote sites.
€355.00 Tax escl.