Seraphim Solar — China

Sephia 415W C Black

The Seraphim Solar Sephia 415W C Black is a 415W PERC solar panel with 19.9% efficiency. Backed by a 17-year warranty.

Standard TierFEOC: Restricted

415W

Wattage

19.9%

Efficiency

PERC

Cell Type

17 years

Warranty

Full Specifications

Brand
Seraphim Solar
Model
Sephia 415W C Black
Series
Sephia
Wattage
415W
Module Efficiency
19.9%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
47 lbs
Warranty
17 years
Est. Price Per Watt
$2.22
Est. 7kW System Cost
$15,540
Est. 10kW System Cost
$22,200
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other Seraphim Solar Panels

ModelWattageEfficiencyCell$/W
SRP 455W D455W21.1%PERC$2.58
Sephia 455W D455W21.1%PERC$2.58
SRP 450W C All-Black450W21%N-Type TOPCon$2.55
Sephia 450W C All-Black450W21%N-Type TOPCon$2.55
SRP 440W E Pro440W20.7%N-Type TOPCon$2.46

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 445W D Plus445W23.1%$4.58
SunPower Performance 445W D Plus445W23.1%$4.58
SunPower X-Series 445W D Plus445W23.1%$4.58
SunPower E-Series 445W D Plus445W23.1%$4.58

Frequently Asked Questions

How much does a 415W Seraphim Solar Sephia 415W C Black cost?
The Seraphim Solar Sephia 415W C Black costs approximately $921 per panel ($$2.22/W). A typical 7kW system using this panel would cost around $15,540 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 Seraphim Solar Sephia 415W C Black a good solar panel?
The Seraphim Solar Sephia 415W C Black has 19.9% efficiency and a 17 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Seraphim Solar Sephia 415W C Black panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 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.