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EcoFlow 400W Rigid Solar Panel vs HQST 200W 12V 9BB Monocrystalline Solar Panel

EcoFlow 400W Rigid Solar Panel vs HQST 200W 12V 9BB Monocrystalline Solar Panel compared spec-by-spec. Real-world output, efficiency, pricing, pros, cons, and our verdict on which solar panel to buy.

Specification
A — ecoflow

EcoFlow 400W Rigid Solar Panel

8.8/10
$499
$599 Save $100
Check Price on EcoFlow
B — hqst

HQST 200W 12V 9BB Monocrystalline Solar Panel

7.7/10
$120
$150 Save $30
Check Price on Amazon
Wattage 400 200
Panel Type monocrystalline monocrystalline
Efficiency Pct 23 21
Weight 35.3 lbs 23 lbs ✓ Winner
Dimensions 68.9 x 41.3 x 1 in 53.0 x 30.0 x 1.2 in
Connector Type MC4 MC4
Ip Rating IP68 IP65
Warranty 5 years 5 years
Foldable No No
Voc 49.4 23.5
Isc 10.5 11.1
Vmp 41 19.72
Imp 9.8 10.14
Operating Temp -4 to 149F -40 to 176F
Cells N-type monocrystalline 9BB monocrystalline Grade A+
Frame corrosion-resistant aluminum

Buy the EcoFlow 400W Rigid Solar Panel

Best prices · Updated hourly

Buy the HQST 200W 12V 9BB Monocrystalline Solar Panel

Best prices · Updated hourly

Who Should Buy the EcoFlow 400W Rigid Solar Panel?

The EcoFlow 400W Rigid Solar Panel is the right fit for off grid cabin, rv roof mount, permanent installation. At 400W with 23% efficiency, it is a high-output panel suited for serious off-grid installs.

Key advantages include: high 23% conversion efficiency with n-type cells; 400w output ideal for high-capacity power stations; ip68 waterproof rating for permanent outdoor mounting. At 35.3 lbs, it's a fixed-mount panel best installed once and left in place.

At $499 ($1.25/W), the EcoFlow 400W Rigid Solar Panel scores 8.8/10 — a strong all-around performer.

Who Should Buy the HQST 200W 12V 9BB Monocrystalline Solar Panel?

The HQST 200W 12V 9BB Monocrystalline Solar Panel is the right fit for off grid cabin permanent, rv roof mount, marine boat. At 200W with 21% efficiency, it delivers solid output for portable and rooftop arrays.

Key advantages include: best price-per-watt in the rigid 200w category at ~$0.60/w; 9bb grade a+ cells are el-tested with zero microcracks; pre-drilled mounting holes compatible with z-brackets, pole mounts, and tilt mounts. At 23 lbs, it's a fixed-mount panel best installed once and left in place.

At $120 ($0.60/W), the HQST 200W 12V 9BB Monocrystalline Solar Panel scores 7.7/10 — a capable option for budget-conscious buyers.

How Do the Specs Compare?

Wattage: The EcoFlow 400W Rigid Solar Panel puts out more power at 400W versus 200W for the HQST 200W 12V 9BB Monocrystalline Solar Panel. Higher wattage means faster charging and more energy harvested per square foot of roof or ground space — a priority for larger systems.

Efficiency: The EcoFlow 400W Rigid Solar Panel converts more sunlight to power at 23% efficiency versus 21% for the HQST 200W 12V 9BB Monocrystalline Solar Panel. The efficiency difference is small — real-world output will depend more on placement angle and shading than on this gap.

Weight: The HQST 200W 12V 9BB Monocrystalline Solar Panel weighs 23 lbs versus 35.3 lbs for the EcoFlow 400W Rigid Solar Panel. For portable use, that weight difference is noticeable — lighter panels are easier to reposition as the sun moves.

Cost per watt: The HQST 200W 12V 9BB Monocrystalline Solar Panel offers better value at $0.60/W versus $1.25/W. Cost-per-watt is the most useful metric for comparing solar panels at different wattage levels.

Price: The HQST 200W 12V 9BB Monocrystalline Solar Panel costs $120 versus $499 for the EcoFlow 400W Rigid Solar Panel — a $379 difference. When scaling to a multi-panel system, that per-panel cost difference compounds quickly.

🏆 Our Verdict

Choose the EcoFlow 400W Rigid Solar Panel if you need higher performance and top-tier efficiency.

Choose the HQST 200W 12V 9BB Monocrystalline Solar Panel if you prioritize value (typically $379 less) , portability (23 lbs vs 35.3 lbs).

Related

Frequently Asked Questions

Is the EcoFlow 400W Rigid Solar Panel better than the HQST 200W 12V 9BB Monocrystalline Solar Panel?
The EcoFlow 400W Rigid Solar Panel scores 8.8/10 vs 7.7/10 overall. Choose based on whether you prioritize efficiency and features.
Which is more portable, EcoFlow 400W Rigid Solar Panel or HQST 200W 12V 9BB Monocrystalline Solar Panel?
The HQST 200W 12V 9BB Monocrystalline Solar Panel is lighter at 23 lbs vs 35.3 lbs.
Which offers better value, EcoFlow 400W Rigid Solar Panel or HQST 200W 12V 9BB Monocrystalline Solar Panel?
The EcoFlow 400W Rigid Solar Panel costs $499 while the HQST 200W 12V 9BB Monocrystalline Solar Panel costs $120. Compare their wattage and efficiency to determine cost-per-watt value.