Wuxi Suntech Power Co., Ltd
STP340S-A21/Wfhb
TIER 2
Monocrystalline
340
Pmax (W)
19.65%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | Wuxi Suntech Power Co., Ltd |
| Model | STP340S-A21/Wfhb |
| Max Power (Pmax) | 340W |
| Efficiency | 19.65% |
| Cell Type | Monocrystalline |
Standard Efficiency: At 19.65% 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)
🏷️ 128 Wuxi Suntech Power Co., Ltd models in database
FAQ
What are the dimensions and weight of the Wuxi Suntech Power Co., Ltd STP340S-A21/Wfhb?
Dimensions vary by configuration.
What is the max power output of the Wuxi Suntech Power Co., Ltd STP340S-A21/Wfhb?
The Wuxi Suntech Power Co., Ltd STP340S-A21/Wfhb is rated at 340W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Wuxi Suntech Power Co., Ltd STP340S-A21/Wfhb?
This panel has 19.65% efficiency, which is standard efficiency for commercial solar panels.
How long is the warranty for the Wuxi Suntech Power Co., Ltd STP340S-A21/Wfhb?
The STP340S-A21/Wfhb comes with a 25-year product warranty covering defects and degradation.