The ECO-WORTHY 400W (4 x 100W) N-Type 16BB Rigid Solar Panel 4-Pack is the better rigid solar panel overall, rated 4.0 to 3.9. The ECO-WORTHY 400W (4 x 100W) N-Type 16BB Rigid Solar Panel 4-Pack leads on efficiency and durability. The ECO-WORTHY 400W (4 x 100W) N-Type 16BB Rigid Solar Panel 4-Pack costs $10.40 less ($229.59 vs $239.99).
A cheap way to put 400 W on an RV, boat or shed roof where smaller panels fit better than large ones. Buyers who want full published specs and a stated warranty pay a little more for HQST’s 400 W pair.
Amazon $229.59A cheap, independently tested 400 W pair for a van, RV or shed on a budget. JJN’s newer N-type 2-pack costs a little more but comes with a full spec sheet and a stated warranty.
Amazon $239.99Prices 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 150 w and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | ECO-WORTHY 400W (4 x 100W) N-Type 16BB Rigid Solar Panel 4-Pack | JJN 400W (2 x 200W) 10BB Bifacial Rigid Solar Panel 2-Pack (23%) |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 45% | 88 $0.57 per rated watt | 86 $0.60 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 100 best measured 91% of rated watts (1 test) |
| Durability 25% | 40 IP68 | 24 IP65 |
| Efficiency 15% | 100 25% claimed efficiency | 67 23% claimed efficiency |
No independent test published yet.
| Tested by | Measured peak | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | - | 91% | 182 W from one 200 W panel of this model (sold singly as B09VS7PR2J); peak_w left null because the pack is rated 400 W. Sunny California day at 6,500 ft |
| ECO-WORTHY 400W (4 x 100W) N-Type 16BB Rigid Solar Panel 4-Pack | JJN 400W (2 x 200W) 10BB Bifacial Rigid Solar Panel 2-Pack (23%) | |
|---|---|---|
| Output | ||
| Rated power | 400 W | 400 W |
| Tested output | - | 364 W (91%) |
| Efficiency | 25% ("up to"; the listing does not say whether this is cell or module efficiency) | 23% ("up to"; the listing calls it conversion efficiency without saying cell or module) |
| Cells | Monocrystalline (N-type, 16BB) | Monocrystalline (10BB, Grade A cells) |
| Bifacial | Yes | Yes |
| Connections | ||
| Output connector | MC4 | MC4 |
| Build | ||
| Dimensions | 35.63 x 23.03 x 1.18 in (each panel) | 53.7 x 30.3 x 1.18 in (each panel) |
| Frame | anodized aluminum | black aluminum |
| Glass | low-iron glass | tempered |
| Junction box rating | IP68 | IP65 |
