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500W Solar Panel

500W Solar Panel — monocrystalline modules for residential and commercial PV systems

A 500W solar panel is the optimal choice for building a residential or commercial solar power station. Modules in this power class (530–570 W) combine high output with manageable dimensions for rooftop installation on private homes. The Veichi VCS-144H series uses Half-Cell monocrystalline silicon cells with PERC+ technology, delivering efficiency from 20.51% to 22.06%. Both mono-facial and bifacial models are available for different mounting scenarios.

How to choose a 500W solar panel

When selecting a 500W solar panel, consider module type (mono-facial vs bifacial), efficiency, operating voltage, and compatibility with your hybrid inverter. Bifacial panels generate up to 25% additional energy from reflected light but require elevated mounting. For a 5 kW inverter, you need 10 panels at 530 W or 9 panels at 555 W. The operating voltage of 41–43 V should be verified against your inverter MPPT input range.

ModelPowerEfficiencyTypeApplication
VCS-144H-530-P530 W20.51%Mono-facialResidential PV, budget option
VCS-144H-550-P550 W21.28%Mono-facialHome PV 5–10 kW
VCS-144H-555-P555 W21.48%Mono-facialBest value per watt
VCS-144H-560-D560 W21.67%BifacialGround mount, trackers
VCS-144H-570-D570 W22.06%BifacialMaximum output from limited area

500W solar panel manufacturers

Veichi is a Chinese industrial equipment manufacturer specializing in variable frequency drives, hybrid inverters, and solar panels. The VCS-144H series includes modules rated 530–570 W built on 144 half-cut monocrystalline cells. Veichi panels carry IEC 61215 and IEC 61730 certifications, a 12-year materials warranty, and a 25-year performance guarantee. Open-circuit voltage of 49–51 V ensures stable operation in series strings with most MPPT controllers.

Solar panels by specifications

Warranty and support

All 500W solar panels come with the manufacturer's official warranty: 12 years on materials and workmanship, 25 years on performance (minimum 84.8% of rated power after 25 years). Our engineers will calculate the required number of panels, select the inverter and batteries for your project. Payment by bank transfer for businesses or by card. Delivery across Ukraine with secure packaging.

Frequently Asked Questions

How much electricity does a 500W solar panel produce per day?

In Ukraine, one 500 W panel generates an average of 1.8–2.2 kWh per day (550–700 kWh per year). In summer — up to 3 kWh/day, in winter — 0.8–1.2 kWh/day. For an average home consuming 10 kWh/day, 5–6 panels rated at 550 W are needed (a 2.75–3.3 kW array).

How much roof space does a 10-panel 500W array require?

Each VCS-144H panel measures approximately 2280×1134 mm, or ~2.6 m². An array of 10 panels (5.3–5.5 kW) occupies 26–30 m² including spacing for ventilation and maintenance. When tilted on a flat roof, the footprint increases by 30–40% due to inter-row shading clearance.

How many 500W panels do I need for a 5 kW inverter?

For a 5 kW inverter, 10–12 panels rated at 530–550 W are recommended (5.3–6.6 kW array). Oversizing panel power by 10–30% relative to inverter capacity is standard practice — it compensates for losses and increases output in cloudy weather. Check the number of MPPT inputs on your inverter for optimal string configuration.

What is the difference between bifacial and mono-facial panels?

A bifacial panel generates electricity from both sides of the module: the front absorbs direct sunlight while the rear captures light reflected off surfaces. The generation gain is 5–25% depending on surface reflectivity and mounting height. Bifacial models VCS-144H-560-D and VCS-144H-570-D are especially effective for ground-mounted and tracker systems.

What is the lifespan of a 500W solar panel?

Monocrystalline 500 W panels are designed for 25–30 years of operation. Power degradation is 0.4–0.55% per year — after 25 years the panel retains 85–87% of its original output. Veichi warranty: 12 years on materials and workmanship, 25 years on performance (minimum 84.8% of rated power).

Can I use a 500W solar panel for a portable charging station?

Fixed VCS-144H panels (2280×1134 mm, 26–28 kg) are designed for roof and ground mounting, not portable use. For portable charging stations, foldable panels rated up to 200–400 W are more suitable. However, a fixed system with 500 W panels, an inverter, and a battery can charge any portable station via a standard outlet.