15W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
15W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
Fifteen watts covers a little more ground than the smallest panel — enough to offset the standby drain of a controller, or to keep a modest battery healthy through a season of intermittent use.
Where it fits best
- Maintaining batteries on seasonal equipment
- Small garden or path lighting with its own battery
- Offsetting standby drain on infrequently used vehicles
Technical specifications
| Maximum Power (Pmax) | 15 W |
|---|---|
| Open Circuit Voltage (Voc) | 21.84 V |
| Short Circuit Current (Isc) | 0.87 A |
| Voltage at Pmax (Vmp) | 18.2 V |
| Current at Pmax (Imp) | 0.82 A |
| Module Efficiency | 15.43 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 10 A |
| Module Type | 182M01518 |
| Solar Cells | Mono crystalline 91*22.75mm (4*8Pcs) |
| External Dimensions | 405*240*17mm |
| Weight | 1.04 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 | 420*185*255mm |
| Package Weight | 11.4 kg |
| Pieces per Package | 10 |
Questions buyers ask
Do I need a controller for 15 W?
For long-term unattended charging, yes — a small PWM controller prevents overcharge. Some users connect directly for occasional top-ups, but it shortens battery life.
Is a 1 kg panel durable?
The tempered glass and aluminium frame construction is the same approach as the larger modules, just scaled down, and the IP67 junction box handles outdoor exposure.
Explore more from IPV ESSA
- Shop all Solar Panels
- 20W Monocrystalline Solar Panel PV Module (400×300×17mm)
- 25W Monocrystalline Solar Panel PV Module (400×345×17mm)
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.
