FlexSolar
FlexSolar 100W Portable Solar Panel Charger with PD3.0 USB-C, QC3.0 USB-A & DC, IP67
Best for: recharging a power station off-grid — match the panel's connector and wattage to your station's solar input limit.
Tip: add it to your Amazon cart while you decide — it stays saved there, with no obligation to buy.
Score breakdown
Where the 2.5 comes from
Each bar is this model's min-max normalized position across the 11 portable solar panels we track. Missing specs are excluded and the remaining weights rescaled — never treated as zero.
Official spec sheet
Every number, cited
| Brand | FlexSolar |
|---|---|
| Rated output | 100 W |
| Cell type | Monocrystalline |
| Conversion efficiency | 23% |
| Weight | 4.1 lbs |
| Folded dimensions | 12.99 x 10.43 x 2.17 in |
| Unfolded dimensions | 45.47 x 26.18 x 0.59 in |
| Outputs | USB-C PD3.0 45W; USB-A 18W (QC3.0); 100W DC; 4-in-1 cable (DC5521 / DC7909 / Anderson / XT60) |
| Waterproof rating | IP67 |
| Compatible with | Most portable power stations, power banks, smartphones (DC5521 / DC7909 / Anderson / XT60) |
| Spec source | View spec source ↗ |
Strengths in the data
- Best weight in the category
Flaws but not dealbreakers
- Bottom-4 conversion efficiency in the category
Both lists are derived mechanically: a metric makes the list when this model finishes in the top or bottom four of the 11 portable solar panels we track.
Who shouldn't get it: Skip it if your power station's solar input tops out well below this panel's rated wattage — the extra capacity goes unused.
Tip: add it to your Amazon cart while you decide — it stays saved there, with no obligation to buy.
All data above is publicly available spec data from the official brand page linked in the table — we don't lab-test. Prices and availability are shown on Amazon. Compare with all 11 portable solar panels ↗