Panasonic — Japan

HIT 380W A Max

The Panasonic HIT 380W A Max is a 380W HJT solar panel with 20.0% efficiency. Made in Japan. Backed by a 30-year warranty.

Discontinued panel — still supported for existing owners. Panasonic ended in-house solar panel manufacturing in 2022 Specs below reflect the final production version.
Premium TierBifacial

380W

Wattage

20%

Efficiency

HJT

Cell Type

30 years

Warranty

Full Specifications

Brand
Panasonic
Model
HIT 380W A Max
Series
HIT
Wattage
380W
Module Efficiency
20%
Cell Type
HJT
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
30 years
Est. Price Per Watt
$3.00
Est. 7kW System Cost
$21,000
Est. 10kW System Cost
$30,000
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
Japan
FEOC Status
likely_pass

Other Panasonic Panels

ModelWattageEfficiencyCell$/W
HIT 425W E Pro425W22.5%HJT$4.18
HIT 420W D Plus420W22.3%HJT$4.08
HIT 420W A Ultra420W22.3%HJT$4.08
HIT 415W C415W22%HJT$3.94
HIT 415W E Max415W22%HJT$3.94

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 410W B410W21.9%$4.08
SunPower Maxeon 410W D HD410W21.9%$4.08
Maxeon 3 410-B Silver410W21.8%$3.82
SunPower Maxeon-40 HC405W21.7%$4.00

Frequently Asked Questions

How much does a 380W Panasonic HIT 380W A Max cost?
The Panasonic HIT 380W A Max costs approximately $1140 per panel ($$3.00/W). A typical 7kW system using this panel would cost around $21,000 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 Panasonic HIT 380W A Max a good solar panel?
The Panasonic HIT 380W A Max has 20% efficiency and a 30 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many Panasonic HIT 380W A Max panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 27 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.