Phono Solar — China

TwinPlus 390W C Silver

The Phono Solar TwinPlus 390W C Silver is a 390W PERC solar panel with 19.2% efficiency. Backed by a 12-year warranty.

Standard Tier FEOC: Restricted Bifacial

390W

Wattage

19.2%

Efficiency

PERC

Cell Type

12 years

Warranty

Full Specifications

Brand
Phono Solar
Model
TwinPlus 390W C Silver
Series
TwinPlus
Wattage
390W
Module Efficiency
19.2%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
12 years
Est. Price Per Watt
$2.01
Est. 7kW System Cost
$14,070
Est. 10kW System Cost
$20,100
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
China
FEOC Status
fail

Other Phono Solar Panels

Model Wattage Efficiency Cell $/W
TwinPlus 450W D 450W 21.2% PERC $2.61
Plus 450W D 450W 21.2% PERC $2.61
Pro 450W D 450W 21.2% PERC $2.61
TwinPlus 445W C All-Black 445W 21% N-Type TOPCon $2.55
Plus 445W C All-Black 445W 21% N-Type TOPCon $2.55

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Panasonic EverVolt 420W A Ultra 420W 22.3% $4.08
Panasonic EverVolt 420W D Plus 420W 22.3% $4.08
Panasonic EverVolt VK 420W A Ultra 420W 22.3% $4.08
Panasonic EverVolt VK 420W D Plus 420W 22.3% $4.08

Frequently Asked Questions

How much does a 390W Phono Solar TwinPlus 390W C Silver cost?
The Phono Solar TwinPlus 390W C Silver costs approximately $784 per panel ($$2.01/W). A typical 7kW system using this panel would cost around $14,070 before incentives. After the 30% federal tax credit, your net cost drops to $9,849.
Is the Phono Solar TwinPlus 390W C Silver a good solar panel?
The Phono Solar TwinPlus 390W C Silver has 19.2% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Phono Solar TwinPlus 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.