For curved roofs with vents, racks or antennas that shade part of the panel during the day. With clear sun on an open roof, Renogy’s standard 100 W flexible panel costs less.
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Output | |
|---|---|
| Rated power | 100 W |
| Tested output | Not tested (estimated 87%) |
| Efficiency | 25% (cell efficiency ("up to 25%")) |
| Cells | Monocrystalline (N-type TOPCon, cell-level bypass diodes (ShadowFlux)) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 33.6 V |
| Voltage at max power (Vmp) | 28.8 V |
| Short-circuit current (Isc) | 3.7 A |
| Current at max power (Imp) | 3.5 A |
| Connections | |
| USB ports | None |
| Build | |
| Weight | 4.2 lb (1.9 kg) |
| Flexible | Yes, bends up to 270° |
| Dimensions | 37.09 x 24.13 x 0.10 in |
| Kickstand | No |
| Water resistance | IP68 |
| Warranty | 3 years |
| Output warranty | 3-year power output warranty |
A good-value 100 W panel for owners of small power stations who want something light to set up beside the tent. The short warranty is the main trade-off.
Amazon $89 HQST $89.99A plug-and-play 100 W panel for owners of small power stations who want every common adapter in the box and USB ports for direct charging. It is about 1.5 lb lighter than ZOUPW’s older F100W.
Amazon $99.99 ZOUPW $109.99For owners of small power stations who value a sturdy, long-warranty 100 W panel from a major brand. Shoppers chasing the lowest price per watt or USB charging can do better.
Amazon $144.99 Renogy $144.99More from Renogy: every Renogy product ranked.
