450W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
450W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
The largest output in the 1134 mm-wide family, this 450 W module targets installations that want to hit an array size with the fewest possible units — fewer clamps, fewer cables and fewer junctions to inspect over a long service life.
Where it fits best
- Home rooftops targeting 4-5 kW from around ten modules
- Small commercial arrays where labour per panel dominates cost
- Replacing older 250-300 W panels without re-railing the roof
Questions buyers ask
Can I mix this with my existing lower-wattage panels?
Mixing different wattages in one series string is not advisable, because string current is limited by the weakest module. Keep mixed panels on separate inputs.
How much roof area do I need for 5 kW?
Roughly eleven modules, so plan for a little under 24 square metres of clear, unshaded roof.
Technical specifications
| Maximum Power (Pmax) | 450 W |
|---|---|
| Open Circuit Voltage (Voc) | 41.04 V |
| Short Circuit Current (Isc) | 13.95 A |
| Voltage at Pmax (Vmp) | 34.2 V |
| Current at Pmax (Imp) | 13.16 A |
| Module Efficiency | 20.79 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 20 A |
| Module Type | 182M45034 |
| Solar Cells | Mono crystalline 182*91mm (6*20Pcs) |
| External Dimensions | 1909*1134*30mm |
| Weight | 21.75 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame | Aluminum |
| Junction Box | IP67 |
| Output Cables | 90CM 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 | 1924*70*1149mm |
| Package Weight | 46 kg |
| Pieces per Package | 2 |
Explore more from IPV ESSA
- Shop all Solar Panels
- 100W Monocrystalline Solar Panel PV Module (1030×460×25mm)
- 180W Monocrystalline Solar Panel PV Module (1330×680×30mm)
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.
