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AIKO and LONGi solar panels

Compare models by power, efficiency, dimensions and availability.

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Panou fotovoltaic bifacial AIKO 655 W
AIKO 645 W Solar Panel, 23.9% Efficiency Regular price725,03 lei VAT included
Panou fotovoltaic bifacial AIKO 655 W
AIKO 650 W Solar Panel, 24% Efficiency Regular price780,71 lei VAT included
Front side of the LONGi LR7-54HVD module, image from the series datasheetBifacial rear side of the LONGi LR7-54HVD module, image from the series datasheet

Orders from all over Romania

How to choose the right solar panels

Don't compare wattage alone. The available area, the string configuration and compatibility with the inverter determine which panel is right for your system.

Power and area

A higher-power module can reduce the number of panels, but its dimensions and weight must be assessed against the roof and the mounting system.

Monofacial or bifacial

A bifacial panel can also use light reflected onto its rear side when the mounting and the surrounding surface allow it. On a roof where the panels sit close to the roof covering, the advantage may be smaller.

Electrical compatibility

The voltage, current and number of panels in a string must stay within the ranges accepted by the inverter. The check is done for the complete configuration, not for a single module.

What to have ready before you order

  • Dimensions and orientation of the available area
  • Desired system power and annual consumption
  • Inverter model or MPPT parameters
  • Roof type and any shaded areas

Do you have your roof dimensions and annual consumption? Send us the details and we will help you narrow your choice down to compatible panels.

Questions before you buy

What power rating should a solar panel have?

There is no single power rating that suits every project. Compare the output for the available area, the module dimensions and the electrical limits of the inverter.

Are bifacial panels worth it?

Yes, when the rear side can also receive reflected light. The real benefit depends on the structure, the distance from the surface and the installation environment.

Can I order panels from any county?

Yes. Nectaria Solar sells products across Romania; before dispatch we can confirm the right model and quantity for your project.

Guides and useful information

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case și haleComparison of AIKO, LONGi, DMEGC and Gokin panels for houses, industrial halls and ground-mounted sites

AIKO, LONGi, DMEGC or Gokin: Which Panel We Install and Where

Compare the four brands by format, power, efficiency and availability. Six practical scenarios show what we choose for homes, industrial halls, ground mounts and volume purchases.

AIKOAIKO solar panels for installation on a large, simple roof

AIKO 650 W: ABC Technology and the Roofs We Install It On

The AIKO 650 W is Nectaria's choice for homes with limited space, industrial halls with sandwich-panel roofs and ground-mounted systems. Find out how ABC technology works and why we do not install ...

acoperișuri rezidențialeLONGi Hi-MO X10 panels for a residential roof with multiple slopes

LONGi Hi-MO X10 480 W: The Compact Panel for Homes and Flat Roofs

The LONGi Hi-MO X10 480 W is under 2 m long, so we install it on homes and industrial halls, including on flat roofs. We explain its format, HPBC 2.0 and bifacial operation.

BCGokin Solar panels from the FLAMINGO, GEM and BC ranges

Gokin Solar: what the FLAMINGO, GEM and BC ranges are and how we choose between them

FLAMINGO, GEM and BC are Gokin Solar product ranges, not different manufacturers. Under these names you will find panels with different power ratings, technologies and warranty terms. For you, the ...

comercialDMEGC Solar panels for residential and commercial roofs

DMEGC Solar: panels for homes and businesses, with verifiable quality benchmarks

DMEGC Solar is worth assessing through its model documentation, its European presence and the results of independent evaluations. For you, these are more useful benchmarks than a general promise of...

AIKOAIKO and LONGi solar panels for efficient solar systems

AIKO and LONGi: leaders at 25% efficiency, and what we choose for your roof

AIKO and LONGi share first place, at 25% efficiency, in the October 2026 edition of the TaiyangNews TOP SOLAR MODULES ranking. It is an important technological benchmark for anyone choosing solar p...