280W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
280W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
Each step up this family adds open-circuit voltage rather than only current, so the 280 W module reaches 40.32 V — useful when you want to keep series strings short while still hitting a target array voltage.
Technical specifications
| Maximum Power (Pmax) | 280 W |
|---|---|
| Open Circuit Voltage (Voc) | 40.32 V |
| Short Circuit Current (Isc) | 8.83 A |
| Voltage at Pmax (Vmp) | 33.6 V |
| Current at Pmax (Imp) | 8.33 A |
| Module Efficiency | 20.53 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 20 A |
| Module Type | 210M280 |
| Solar Cells | Mono crystalline 210*105mm (4*14Pcs) |
| External Dimensions | 1550*880*30mm |
| Weight | 14.09 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame | Aluminum |
| Junction Box | IP67 |
| Output Cables | 100CM 4mm² Cable |
| Connector | MC4 Compatible |
| Mechanical Load | Front Side Max. 5400Pa, Rear Side Max. 2400Pa |
| Pmax Temperature Coefficient | -0.350%/°C |
| Voc Temperature Coefficient | -0.270%/°C |
| Isc Temperature Coefficient | +0.048%/°C |
| Package Dimensions | 1565*70*895mm |
| Package Weight | 30 kg |
| Pieces per Package | 2 |
Where it fits best
- 24 V systems with moderate daily loads
- Replacing older panels while keeping the same railing
- Arrays where high string voltage is a design constraint
Questions buyers ask
Why does voltage rise but current stay similar?
The family uses the same cell current with more cells in series. That is why the 240 W through 360 W modules in this width share an 8.83 A short-circuit figure.
Is this compatible with a 24 V PWM controller?
A PWM controller would clip the extra voltage and waste it. Use MPPT to capture the full 280 W.
Explore more from IPV ESSA
- Shop all Solar Panels
- 300W Monocrystalline Solar Panel PV Module (1650×880×30mm)
- 320W Monocrystalline Solar Panel PV Module (1770×880×30mm)
Frequently Asked Questions
What is a monocrystalline solar panel?
A panel built from single-crystal silicon cells, giving higher efficiency and a smaller footprint than polycrystalline types.
Do panels work on cloudy days?
Yes, at reduced output — typically 10–50% of clear-sky levels depending on how thick the cloud cover is.
How long do solar panels last?
Quality modules commonly retain most of their output for 20–25 years thanks to tempered glass and aluminium frames.
Can I connect panels to a battery?
Panels feed an MPPT charge controller or hybrid inverter, which safely charges the connected battery bank.
