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 tha Sold on IPV ESSA (https://ipvsolar.com/products/400w-1770x1100x30mm). The price shown is the retail price on that storefront on 2026-10-21, not a GreenB2B quote or a wholesale price.