• – Solar’s 20W 18V Round Solar Panel adopts
  •   the latest 5BB monocrystalline solar cell,
  •   >21% efficiency.
  • – Laminated by tempered glass, durable & robust
  • – Dimension D=490mmx4.5mm
  • – Ideal for use in solar attic fan,solar powered LED
  •   lighting etc.

This 20W 18V round solar panel (or circular solar panel) is built with the latest most efficient 5BB monocrystalline solar cell (>21% efficiency). It is laminated by tempered glass, which is durable and robust. This solar panel is ideal for use in off grid applications such as solar powered LED lighting, solar attic fan, small solar powered system etc.
– With latest high efficiency 5BB monocrystalline solar cell (>21% efficiency)
– Positive power tolerance
– Tempered glass laminated, high transmission, durable & robust
– Withstanding challenging environmental conditions
– Waterproof, scratch resistant & UV resistant
– Excellent performance under low light environments


Item No.LK-C018
Peak Power (Pmax)20W
Voltage at Pmax (Vmp)18V
Current at Pmax (Imp)1.11A
Open Circuit Voltage (Voc)21.6V
Short Circuit Current (Isc)1.22A
Cell Type5BB Monocrystalline Solar Cell
Power Tolerance±5%
Encapsulation method3.2mm Tempered glass
Back sheetTPT
Product Warranty5 Years
Lead time25 Days
Storage temperature-20°C ~ 65°C
Working temperature-40°C ~ 85°C
Standard Test Conditions (STC)1000W/m2, 1.5AM, 25°C Cell temperature