120W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
120W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
Slightly longer than the 100 W module but on the same narrow body, the 120 W version suits installations where roof width is limited and you simply want more daily harvest — the side of a van, a narrowboat roof, or a fence-line mount.
Where it fits best
- Van and narrowboat roofs where beam is restricted
- A compact array for a small off-grid weekend cabin
- Replacing an ageing 100 W panel to gain headroom on an existing system
Technical specifications
| Maximum Power (Pmax) | 120 W |
|---|---|
| Open Circuit Voltage (Voc) | 21.84 V |
| Short Circuit Current (Isc) | 6.99 A |
| Voltage at Pmax (Vmp) | 18.2 V |
| Current at Pmax (Imp) | 6.59 A |
| Module Efficiency | 19.73 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 10 A |
| Module Type | 182M12018 |
| Solar Cells | Mono crystalline 182*91mm (4*8Pcs) |
| External Dimensions | 800*760*30mm |
| Weight | 6.9 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame | Aluminum |
| Junction Box | IP67 |
| Output Cables | 50CM 2.0mm² 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 | 810*67*770mm |
| Package Weight | 15 kg |
| Pieces per Package | 2 |
Questions buyers ask
Is it a straight swap for an older 100 W panel?
Electrically it drops into most 12 V systems, but confirm your controller can take the 6.99 A short-circuit current before swapping.
Does it need a special mounting kit?
No. Standard aluminium clamps or Z-brackets suit the framed body, and the frame is rated for 5400 Pa front load, which covers normal wind and snow exposure.
Explore more from IPV ESSA
- Shop all Solar Panels
- 160W Monocrystalline Solar Panel PV Module (1040×760×30mm)
- 220W Monocrystalline Solar Panel PV Module (1350×760×30mm)
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.
