| Commodity | Solar panel | |
| Model | JFF-GB-004 | |
| parameters: | Maximum power | 55W |
| Maximum power current | 3.62A | |
| Opening ciruit voltage | 21.2V | |
| Outputting power voltage | 17.2V | |
| Outputting power current | 3.2A | |
| Panel area | 67*78cm2 |
| Commodity | Solar panel | |
| Model | JFF-GB-004 | |
| parameters: | Maximum power | 55W |
| Maximum power current | 3.62A | |
| Opening ciruit voltage | 21.2V | |
| Outputting power voltage | 17.2V | |
| Outputting power current | 3.2A | |
| Panel area | 67*78cm2 |