The HQST 400W (2 x 200W) N-Type 16BB Compact Rigid Solar Panel 2-Pack is the better rigid solar panel overall, rated 4.1 to 3.9. The HQST 400W (2 x 200W) N-Type 16BB Compact Rigid Solar Panel 2-Pack leads on durability and efficiency. The HQST 400W (2 x 200W) N-Type 16BB Compact Rigid Solar Panel 2-Pack costs $10 less ($229.99 vs $239.99).
Two of HQST’s compact 200 W panels in one box, a low-cost way to put 400 W on a 12 V van, RV or shed system. Check the single-panel price first, since two singles have been cheaper.
Amazon $229.99 HQST $229.99A 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 | HQST 400W (2 x 200W) N-Type 16BB Compact Rigid Solar Panel 2-Pack | JJN 400W (2 x 200W) 10BB Bifacial Rigid Solar Panel 2-Pack (23%) |
|---|---|---|
| Overall rating | 4.1/5 | 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% | 51 IP65, 5-year warranty | 24 IP65 |
| Efficiency 15% | 100 25.4% 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 |
| HQST 400W (2 x 200W) N-Type 16BB Compact Rigid Solar Panel 2-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 | 25.4% (cell efficiency, "up to" (the datasheet labels it module efficiency)) | 23% ("up to"; the listing calls it conversion efficiency without saying cell or module) |
| Cells | Monocrystalline (N-type TOPCon, 16BB) | Monocrystalline (10BB, Grade A cells) |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 22.4 V | - |
| Voltage at max power (Vmp) | 19 V | - |
| Short-circuit current (Isc) | 11 A | - |
| Current at max power (Imp) | 10.5 A | - |
| Voc temperature coefficient | -0.3%/°C | - |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | MC4 | MC4 |
| Build | ||
| Dimensions | 46.3 x 30.1 x 1.2 in (each panel) | 53.7 x 30.3 x 1.18 in (each panel) |
| Frame | anodized aluminum alloy | black aluminum |
| Glass | 3.2 mm tempered | tempered |
| Junction box rating | IP65 | IP65 |
| Warranty | 5 years | - |
| Output warranty | 25-year power output warranty; maker claims 87.4% output after 30 years | - |
