Tesla Inc.
T420S
TIER 2
Monocrystalline
420
Pmax (W)
19.9%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | Tesla Inc. |
| Model | T420S |
| Max Power (Pmax) | 420W |
| Efficiency | 19.9% |
| Cell Type | Monocrystalline |
Standard Efficiency: At 19.9% efficiency, this offers a solid balance between cost per watt and energy output.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 24 Tesla Inc. models in database
FAQ
What are the dimensions and weight of the Tesla Inc. T420S?
Dimensions vary by configuration.
What is the max power output of the Tesla Inc. T420S?
The Tesla Inc. T420S is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Tesla Inc. T420S?
This panel has 19.9% efficiency, which is standard efficiency for commercial solar panels.
How long is the warranty for the Tesla Inc. T420S?
The T420S comes with a 25-year product warranty covering defects and degradation.