Model number
Picture
Power
Solar panels
Battery capacity
Solar plate size
Length of
lamp arm
Control way
Rainy day
Special custom
Warranty period
620C
10W
8W polycrystal
4.2V/6Ah
340*230mm
None
Pure light control / light control + timing
Fully charged lights 12-14 hours
None
1 year
warranty
720C
20W
10W polycrystal
4.2V/8Ah
820C
30W
15W polycrystal
4.2V/10Ah
360*300mm
920C
50W
18W polycrystal
4.2V/12Ah
450*360mm