20W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
20W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
At 20 W this panel can support a genuinely self-sufficient small device — a remote camera, a weather station or a gate intercom — provided the load is modest and the site gets reasonable daily sun.
Technical specifications
| Maximum Power (Pmax) | 20 W |
|---|---|
| Open Circuit Voltage (Voc) | 21.84 V |
| Short Circuit Current (Isc) | 1.16 A |
| Voltage at Pmax (Vmp) | 18.2 V |
| Current at Pmax (Imp) | 1.1 A |
| Module Efficiency | 16.66 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 10 A |
| Module Type | 182M02018 |
| Solar Cells | Mono crystalline 91*30.3mm (4*8Pcs) |
| External Dimensions | 400*300*17mm |
| Weight | 1.2 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame | Aluminum |
| Junction Box | IP67 |
| Output Cables | Without cable |
| Connector | Without 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 | 415*185*315mm |
| Package Weight | 13 kg |
| Pieces per Package | 10 |
Where it fits best
- Remote security cameras and monitoring equipment
- Weather stations and environmental sensors
- Gate intercoms and automatic barrier controls
Questions buyers ask
How do I size a battery for a 20 W panel?
In a sunny climate 20 W can sustain roughly 100 Wh of daily draw. Match the battery to several days of that load so cloudy spells do not take the device offline.
Will it work in winter?
Output falls with lower sun angles and shorter days. Size the panel with seasonal margin if the device has to run year-round.
Explore more from IPV ESSA
- Shop all Solar Panels
- 25W Monocrystalline Solar Panel PV Module (400×345×17mm)
- 30W Monocrystalline Solar Panel PV Module (420×405×25mm)
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.
