LONGi Solar — China

Hi-MO 7 385-E Ultra

The LONGi Solar Hi-MO 7 385-E Ultra is a 385W N-Type TOPCon solar panel with 19.2% efficiency. Backed by a 25-year warranty.

Standard TierFEOC: RestrictedBifacial

385W

Wattage

19.2%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
LONGi Solar
Model
Hi-MO 7 385-E Ultra
Series
Hi-MO 7
Wattage
385W
Module Efficiency
19.2%
Cell Type
N-Type TOPCon
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
25 years
Est. Price Per Watt
$1.86
Est. 7kW System Cost
$13,020
Est. 10kW System Cost
$18,600
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
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)

Frequently Asked Questions

How much does a 385W LONGi Solar Hi-MO 7 385-E Ultra cost?
The LONGi Solar Hi-MO 7 385-E Ultra costs approximately $716 per panel ($$1.86/W). A typical 7kW system using this panel would cost around $13,020 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 7 385-E Ultra a good solar panel?
The LONGi Solar Hi-MO 7 385-E Ultra has 19.2% 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 7 385-E Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 26 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.