50w portable solar panel foldable solar charger usb 18v dc output waterproof camping solar panel

warranty:
1 year, 1 year
place of origin:
guangdong, china
brand name:
flashfish/gofort
model number:
s1850
battery:
yes
folding size:
54 x 54cm socket type:
8mm /5.5 * 2.5mm /3.5 * 1.35mm
certificate:
ce,fcc,rohs
output voltage:
5v ,18v
conversion rate:
22% - 23.5%
unfolded size:
540*1100mm
folded size:
540*540mm.syi