Tesla — US

Tesla H 420W B Ultra

The Tesla Tesla H 420W B Ultra is a 420W N-Type TOPCon solar panel with 20.2% efficiency. Made in US. Backed by a 30-year warranty.

Premium Tier 🇺🇸 Domestic Content Bonus Eligible

420W

Wattage

20.2%

Efficiency

N-Type TOPCon

Cell Type

30 years

Warranty

Full Specifications

Brand
Tesla
Model
Tesla H 420W B Ultra
Series
Tesla H
Wattage
420W
Module Efficiency
20.2%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
48 lbs
Warranty
30 years
Est. Price Per Watt
$3.13
Est. 7kW System Cost
$21,910
Est. 10kW System Cost
$31,300
Temperature Coefficient
-0.25%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Tesla Panels

Model Wattage Efficiency Cell $/W
Tesla Solar 455W E Pro 455W 21.6% N-Type TOPCon $3.78
Tesla T 455W E Pro 455W 21.6% N-Type TOPCon $3.78
Tesla H 455W E Pro 455W 21.6% N-Type TOPCon $3.78
Tesla Solar 450W D Plus 450W 21.4% PERC $3.69
Tesla T 450W D Plus 450W 21.4% PERC $3.69

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 6 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 7 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon Air 450W D Plus 450W 23.3% $4.61

Frequently Asked Questions

How much does a 420W Tesla Tesla H 420W B Ultra cost?
The Tesla Tesla H 420W B Ultra costs approximately $1315 per panel ($$3.13/W). A typical 7kW system using this panel would cost around $21,910 before incentives. After the 30% federal tax credit, your net cost drops to $15,337.
Is the Tesla Tesla H 420W B Ultra a good solar panel?
The Tesla Tesla H 420W B Ultra has 20.2% efficiency and a 30 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Tesla Tesla H 420W B Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.