JA Solar — China

JAM 480W C All-Black

The JA Solar JAM 480W C All-Black is a 480W PERC solar panel with 22.6% efficiency. Backed by a 30-year warranty.

Standard TierFEOC: Restricted

480W

Wattage

22.6%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
JA Solar
Model
JAM 480W C All-Black
Series
JAM
Wattage
480W
Module Efficiency
22.6%
Cell Type
PERC
Dimensions
78-82" x 39-41"
Weight
56 lbs
Warranty
30 years
Est. Price Per Watt
$2.64
Est. 7kW System Cost
$18,480
Est. 10kW System Cost
$26,400
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other JA Solar Panels

ModelWattageEfficiencyCell$/W
JAM 485W D485W22.8%N-Type TOPCon$2.69
JAM 470W B BF470W22.2%N-Type TOPCon$2.55
JAM 470W E Pro470W22.2%PERC$2.55
JAM 465W A HC465W22%PERC$2.50
JAM 465W D Plus465W22%N-Type TOPCon$2.50

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon 3 455W E Pro455W23.5%$4.72
SunPower Maxeon 455W E Pro455W23.4%$4.71
Maxeon 3 450W D Plus450W23.3%$4.61
Aiko Solar Navi 490W D490W23.2%$2.70

Frequently Asked Questions

How much does a 480W JA Solar JAM 480W C All-Black cost?
The JA Solar JAM 480W C All-Black costs approximately $1267 per panel ($$2.64/W). A typical 7kW system using this panel would cost around $18,480 before incentives.

⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 JA Solar JAM 480W C All-Black a good solar panel?
The JA Solar JAM 480W C All-Black has 22.6% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many JA Solar JAM 480W C All-Black panels do I need?
For a typical 7kW residential system, you'd need approximately 15 panels. For a 10kW system, plan for about 21 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, EIA, state utility commissions· Updated 2026.