Solar power panel

solar power panel
1.solar cell panel
2.high conversion
3.portable
solar power panel
brand name:HL
model:HL SP-118
Power:20w
material :Mono
Optimum Power Voltage :17.0v
Optimum Power current: 4.412a
Open circuit voltage :21.2v
Short circuit current :4.787
size: 1006x680 mm
Cell efficiency :15%
Warantee: 80% at 20 years 5 year on product
wattage tolerance :+/-3%