Model /font> | Picture | Power | Solar panels | Battery capacity | Solar plate size | Length of lamp arm | Control way | Rainy day | Special custom | Warranty period |
620C | ã | 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 |