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 Sold on IPV ESSA (https://ipvsolar.com/products/20w-400x300x17mm). The price shown is the retail price on that storefront on 2026-10-21, not a GreenB2B quote or a wholesale price.