LONGi Solar — China

Hi-MO-38 All-Black

The LONGi Solar Hi-MO-38 All-Black is a 380W N-Type TOPCon solar panel with 19.0% efficiency. Backed by a 25-year warranty.

Standard TierFEOC: Restricted

380W

Wattage

19%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
LONGi Solar
Model
Hi-MO-38 All-Black
Series
Hi-MO
Wattage
380W
Module Efficiency
19%
Cell Type
N-Type TOPCon
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
25 years
Est. Price Per Watt
$1.80
Est. 7kW System Cost
$12,600
Est. 10kW System Cost
$18,000
Temperature Coefficient
-0.25%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other LONGi Solar Panels

ModelWattageEfficiencyCell$/W
Hi-MO 480W D480W22.1%N-Type TOPCon$2.67
Hi-MO X 480W D480W22.1%N-Type TOPCon$2.67
Hi-MO 5 480W D480W22.1%N-Type TOPCon$2.67
Hi-MO 6 480W D480W22.1%N-Type TOPCon$2.67
Hi-MO 7 480W D480W22.1%N-Type TOPCon$2.67

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 410W A All-Black410W21.9%$4.08
SunPower Maxeon 410W B410W21.9%$4.08
SunPower Maxeon 410W D HD410W21.9%$4.08
SunPower Performance 410W A All-Black410W21.9%$4.08

Frequently Asked Questions

How much does a 380W LONGi Solar Hi-MO-38 All-Black cost?
The LONGi Solar Hi-MO-38 All-Black costs approximately $684 per panel ($$1.80/W). A typical 7kW system using this panel would cost around $12,600 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 LONGi Solar Hi-MO-38 All-Black a good solar panel?
The LONGi Solar Hi-MO-38 All-Black has 19% 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 LONGi Solar Hi-MO-38 All-Black 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

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.