IP21 3KW 3.6KW Off-Grid Solar Inverter with Single Phase Output Mttp Solar Charge Controller
IP21 3KW 3.6KW Off-Grid Solar Inverter with Single Phase Output Mttp Solar Charge Controller
UPNRG Alpha-W-ESS Professional Storage System
Hybrid Tech: 97% PV Efficiency | 6000 Cycles | Smart UPS Mode
Core Engineering Advantages
1. High Compatibility: Features 33% more surge power vs standard units. Optimized for refrigerators and air conditioners. Wide 60-450 vDC PV range ensures earlier starts and later stops for daily generation.
2. Enhanced Safety: Built-in Isolated Transformer provides physical electrical separation for user protection and drives heavy home loads with 300% surge support.
3. Faster Charging: Supports 120A maximum charging current. Precise 28A Imax PV current compatibility for high-performance 210mm solar panels.
4. Maximum ROI: System efficiency reaches 97%, ensuring almost zero energy loss during conversion and enhancing overall off-grid performance.
System Logic & Performance
Factual Comparison Specifications
| Feature Facts | Alpha 300W | Alpha 500W | Alpha 1000W |
|---|---|---|---|
| Energy Capacity | 896 Wh | 1004.8 Wh | 2009.6 Wh |
| Waveform | Pure Sine Wave (Transformer Isolated) | ||
| Transfer Time | 10ms (UPS Mode) / 10ms (Appliance Mode) | ||
| Max Solar PV | 300W Max. | 550W Max. | |
| Net Weight | 12 kg | 13 kg | 23 kg |
Professional Manufacturing Presence
Transformer Assembly & Production Lines:
Warehouse & ISO Testing Compliance:
Logistics & Packaging Security
Every module is protected with 8-corner anti-collision strips and industrial-grade high-density foam inside reinforced double-wall cartons to ensure 100% damage-free transit.
Frequently Asked Questions
Q: Who is UPNRG?
A: We are a professional lithium battery manufacturer based in Guangdong, China (Est. 2012). We provide premier customized energy solutions for residential and industrial backup power worldwide.
Q: What certifications do the products have?
All Alpha-W-ESS systems are certified with CE, UN38.3, FCC, MSDS, TÜV, and IEC, ensuring international safety and quality standards.
Q: Do you offer a guarantee?
A: We provide a 2-year (24-month) factory warranty to support hassle-free operation for all global partners.
Q: Can I customize the logo on the unit (OEM)?
Yes. UPNRG supports full branding customization. Please confirm the design based on our confirmed samples before mass production.
