SoliTek — Lithuania

SOLIIT 390W C Silver

The SoliTek SOLIIT 390W C Silver is a 390W N-Type TOPCon solar panel with 19.7% efficiency. Backed by a 25-year warranty.

Standard TierBifacial

390W

Wattage

19.7%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
SoliTek
Model
SOLIIT 390W C Silver
Series
SOLIIT
Wattage
390W
Module Efficiency
19.7%
Cell Type
N-Type TOPCon
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
25 years
Est. Price Per Watt
$2.41
Est. 7kW System Cost
$16,870
Est. 10kW System Cost
$24,100
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
Lithuania
FEOC Status
likely_pass

Other SoliTek Panels

ModelWattageEfficiencyCell$/W
SOLIHI 450W D450W21.7%N-Type TOPCon$3.01
SOLIIT 450W D450W21.7%N-Type TOPCon$3.01
SOLIHI 445W C All-Black445W21.5%PERC$2.95
SOLIIT 445W C All-Black445W21.5%PERC$2.95
SOLIHI 440W E Pro440W21.3%PERC$2.89

Similar Wattage Panels (Competitors)

Frequently Asked Questions

How much does a 390W SoliTek SOLIIT 390W C Silver cost?
The SoliTek SOLIIT 390W C Silver costs approximately $940 per panel ($$2.41/W). A typical 7kW system using this panel would cost around $16,870 before incentives.

⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.

Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →

Is the SoliTek SOLIIT 390W C Silver a good solar panel?
The SoliTek SOLIIT 390W C Silver has 19.7% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many SoliTek SOLIIT 390W C Silver panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.