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S1000TL-S4400TL
1.0KW - 4.4KW
Single Phase
 Big LCD display |  Power export limit |
 Die casting premium design |  Compact and easy to install |
 Compact and easy to install |
Features
SimplerQuick and easy single person installationFault codes warning view on LCD displayBuilt-in limiter optional |
SaferComply with international quality standardstested by TUV,BV,Dekra etc. |
Great reliabilityIP65 ingress protection10+years R&D accumulation and support |
Advantages
| 1.0–4.4 kW power range, 1 MPPT channel (1 string)，Maximum 18A. |
| Maximum 550 Vdc, MPPT voltage 70–500 Vdc. |
| Dimensions: 315 × 345 × 108 mm Single-person installation， LCD fault display ，Die-cast housing |
| Certified by TUV/BV/Dekra, featuring AFCI/reverse polarity/anti-islanding protection, with SPDs on both DC and AC sides. |
| MPPT efficiency: 99.9%, Maximum efficiency: 97.3%-97.8%, European efficiency: 97.0%-97.3% |
| IP65 protection rating, supports 180–270V wide-range AC voltage, with automatic 50/60Hz switching . |
| Standard WiFi (optional RS485), real-time monitoring via app/web interface |
| Transformerless + Intelligent Cooling, Standard 5-Year Warranty (Optional 7/10-Year Warranty) |
Production Line
At Welson Power, customer satisfaction is at the heart of everything we do.
We provide not just products, but complete energy solutions that empower communities, enhance energy independence, and contribute to a greener, smarter world.