400W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
400W Monocrystalline Solar Panel PV Module for Home & Commercial Rooftop
A 57.6 V open-circuit voltage puts this module squarely in 48 V-system territory. For off-grid homes moving up to 48 V, it is the point where cable losses stop being a design problem at typical roof-to-plant distances.
Where it fits best
- 48 V off-grid and hybrid home systems
- Larger residential arrays on a single-string MPPT
- Installations replacing older 24 V panels during an upgrade
Technical specifications
| Maximum Power (Pmax) | 400 W |
|---|---|
| Open Circuit Voltage (Voc) | 57.6 V |
| Short Circuit Current (Isc) | 8.83 A |
| Voltage at Pmax (Vmp) | 48 V |
| Current at Pmax (Imp) | 8.33 A |
| Module Efficiency | 20.54 % |
| Power Tolerance | 0, +4.99W |
| Maximum System Voltage | 700 V DC |
| Max Series Fuse Rating | 20 A |
| Module Type | 210M400 |
| Solar Cells | Mono crystalline 210*105mm (5*16Pcs) |
| External Dimensions | 1770*1100*30mm |
| Weight | 20.36 kg |
| Front Glass | 3.2 mm tempered glass |
| Frame | Aluminum |
| Junction Box | IP67 |
| Output Cables | 100CM 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 | 1785*70*1115mm |
| Package Weight | 42.73 kg |
| Pieces per Package | 2 |
Questions buyers ask
Why move to 48 V?
Halving current again versus 24 V reduces cable cross-section and losses, and most inverters above roughly 5 kW are designed around 48 V banks.
Can I reuse my 24 V inverter?
No. A 48 V array needs a 48 V-capable inverter and charge controller. Plan the whole chain together rather than upgrading one part at a time.
Explore more from IPV ESSA
- Shop all Solar Panels
- 450W Monocrystalline Solar Panel PV Module (1980×1100×30mm)
- 10W Monocrystalline Solar Panel PV Module (300×280×17mm)
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.
