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| Parameter | Details |
|---|---|
| Model | TP-SP-D21 |
| Solar Panel | SUNPOWER |
| Max Power | 21W |
| Working Voltage | 12V |
| Working Current | 2.34A |
| USB Output | (4.75-5.45)V/2.9A |
| Cell Size | 158.75mm x 158.75mm |









We are dedicated to building renewable energy source systems worldwide. By creating a new lifestyle for human beings, we promote energy conservation and pollution reduction. Based on a deep understanding of green energy, we maintain comprehensive industrial chains integrating R&D, design, and manufacturing of solar products. We are committed to providing OEM & ODM services to brands worldwide.



| Shipping Option | Method | Recommendation | Delivery Time |
|---|---|---|---|
| Express | DHL | Widely Recommended | 3-7 Business Days |
| UPS | Widely Recommended | 3-7 Business Days | |
| FEDEX | Recommended | 5-7 Business Days | |
| Airfreight | By Air | For Sample Orders | 5-7 Business Days |
| Sea Freight | By Sea | For Bulk Orders | 7-35 Business Days |