The Anker SOLIX PS400 Bifacial Portable Solar Panel is the better portable solar panel overall, rated 4.3 to 4.2. The Anker SOLIX PS400 Bifacial Portable Solar Panel leads on durability and features. The Renogy 400W N-Type Portable Solar Panel Blanket wins on value. The Renogy 400W N-Type Portable Solar Panel Blanket costs $129.99 less ($469.99 vs $599.98).
For owners of large power stations who want 400 W from a single panel they can still carry. It is much lighter than older 400 W folding panels.
Amazon $599.98 Anker SOLIX $699.99For van, truck and SUV campers who want 400 W from something that stows like a backpack. Owners of small power stations should check the voltage limit, and anyone who wants to prop a panel up on legs should look at a folding suitcase panel instead.
Amazon $469.99 Renogy $469.99Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every large portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Anker SOLIX PS400 Bifacial Portable Solar Panel | Renogy 400W N-Type Portable Solar Panel Blanket |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Value 30% | 57 $1.50 per rated watt | 76 $1.17 per rated watt |
| Tested output 20% | 89 not yet tested; estimated 87% of rated watts from the median of the 10 tested panels | 91 not yet tested; estimated 87% of rated watts from 1 test of Renogy panels and the median of the 10 tested panels |
| Portability 15% | 100 18.3 W per lb (21.9 lb (9.9 kg)) | 100 24.9 W per lb (16.1 lb (7.3 kg)) |
| Durability 15% | 100 IP68, 5-year warranty | 56 IP65, 2-year warranty |
| Efficiency 10% | 100 25% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 60 built-in kickstand, bifacial | 20 series/parallel |
| Anker SOLIX PS400 Bifacial Portable Solar Panel | Renogy 400W N-Type Portable Solar Panel Blanket | |
|---|---|---|
| Output | ||
| Rated power | 400 W | 400 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 25% ("25%+ conversion efficiency" per Anker; cell vs module not stated) | 25% (cell efficiency as quoted by Renogy and on the Amazon listing; the manual gives no efficiency figure) |
| Cells | - | Monocrystalline (N-type, 16BB) |
| Bifacial | Yes | No |
| Electrical | ||
| Open-circuit voltage (Voc) | - | 39.2 V |
| Voltage at max power (Vmp) | 48 V | 33.6 V |
| Short-circuit current (Isc) | - | 13.1 A |
| Current at max power (Imp) | 8.3 A | 11.9 A |
| Series / parallel | - | Yes |
| Connections | ||
| Output connector | - | MC4 |
| Cables included | 2x 8.2 ft (2.5 m) solar charging cable, 1.6 ft (0.5 m) XT-60i solar charging cable | - |
| USB ports | - | None |
| Build | ||
| Weight | 21.9 lb (9.9 kg) | 16.1 lb (7.3 kg) |
| Folded size | 22.3 x 38.7 x 3.2 in | 16.54 x 15.83 x 4.13 in |
| Unfolded size | 90.2 x 38.7 x 0.7 in | 64.96 x 62.99 x 1.50 in |
| Kickstand | Yes | - |
| Water resistance | IP68 | IP65 |
| Warranty | 5 years | 2 years |
