25W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
25W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
A slightly larger body than the 20 W unit buys a little more current, which matters when the load is not purely standby — a device that transmits or actuates periodically rather than only sleeping.
Where it fits best
- Remote telemetry and data loggers
- Small pumps for garden water features
- Off-grid signage and marker lights
Questions buyers ask
Is the extra 5 W worth it over the 20 W?
If your load transmits or actuates during the day, yes. The margin keeps the battery from slowly draining across consecutive poor-sun days.
What mounting hardware fits?
The framed aluminium body accepts standard small brackets or bolt-through fixing. Tilt it toward the sun rather than laying it flat for better yield.
Technical specifications
| Maximum Power (Pmax) | 25 W |
|---|---|
| Open Circuit Voltage (Voc) | 21.84 V |
| Short Circuit Current (Isc) | 1.46 A |
| Voltage at Pmax (Vmp) | 18.2 V |
| Current at Pmax (Imp) | 1.37 A |
| Module Efficiency | 18.12 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 10 A |
| Module Type | 182M02518 |
| Solar Cells | Mono crystalline 91*36.4mm (4*8Pcs) |
| External Dimensions | 400*345*17mm |
| Weight | 1.38 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*360mm |
| Package Weight | 14.8 kg |
| Pieces per Package | 10 |
Explore more from IPV ESSA
- Shop all Solar Panels
- 30W Monocrystalline Solar Panel PV Module (420×405×25mm)
- 40W Monocrystalline Solar Panel PV Module (570×400×25mm)
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.
