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The best flexible solar panels for van roof start with a roof that has room for two panels and a curve no rigid frame will follow. A van roof at noon with a sagging middle and a vent fan in the way is exactly where a panel that bends earns its price. We compared five flexible panels using only what each Amazon listing publishes: wattage, cell efficiency, bend angle, IP rating, weight, dimensions and the warranty term. Two are single 100W panels, two are 200W two-packs, and one is a 260W two-pack.
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Quick picks
Best Overall RENOGY SHADOWFLUX 200W: 200W, 25% N-type, anti-shading diodes, IP68 Check price on Amazon
Best Two-Pack Output ECO-WORTHY 2X130W: 260W total, 25%, 270-degree flex, IP68 junction box Check price on Amazon
Best Stealth Profile CALLSUN 2X100W: 200W total, 0.1 in thick, ETFE, 5-year warranty Check price on Amazon
Best Warranty RENOGY 100W: 100W, 240-degree flex, IP68, 5-year warranty Check price on Amazon
Best Compact 100W TOPUNIVE 100W: 100W, 23%, 45 cm minimum bend radius, IP67 junction box Check price on Amazon
The picks
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | RENOGY 100W | 9.7/10 | Buy on Amazon |
| 2 | RENOGY SHADOWFLUX 200W | 9.7/10 | Buy on Amazon |
| 3 | ECO-WORTHY 2X130W | 9.7/10 | Buy on Amazon |
| 4 | CALLSUN 2X100W | 9.6/10 | Buy on Amazon |
| 5 | TOPUNIVE 100W | 9.6/10 | Buy on Amazon |

RENOGY 100W
A 100W, 12V flexible panel with a 240-degree bend, IP68 rating and a 5-year warranty at 4 pounds.
Pros
- 100W at 4 lb with a 240-degree bend
- IP68 stated
- 2400 Pa wind and 5400 Pa snow load figures stated
- 5-year manufacturer warranty
Cons
- Tied for the lowest wattage at 100W
- No mounting hardware is listed
- 70% lighter claim has no stated reference panel
- Spec table lists 0.08 in thick against the title's 0.1 in
Detailed Review
Renogy lists a 100W, 12V flexible panel with 64 cells, MC4 connectors, polymer and aluminum alloy materials, and a 240-degree bend. It measures 48 by 21.5 inches, 0.1 inch tall laid flat in the title against 0.08 inch in the spec table, and weighs 4 pounds. The listing states the panel weighs 70% less than conventional panels, stands about 95% thinner than its rigid counterpart, and is designed to withstand wind of up to 2400 Pa and snow loads of up to 5400 Pa. IP68 is stated, and the manufacturer warranty description is 5 years.
Who it's for: buyers who want the lightest single panel here with a stated warranty and load figures. Who should skip it: anyone who needs more than 100W from one panel.
Its Solar Score of 9.7/10 comes from performance 29/35, build 20/25, value 20/25, safety 8/10 and warranty 4/5: 81 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Wattage | 100W |
|---|---|
| Output | 12V |
| Max bend | 240 degrees |
| Weight | 4 lb |
Figures as published on the retailer listing, collected 19 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP68 stated, so safety scores 8 of 10. 5 years. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Panels make voltage in daylight. Keep connectors covered until you connect them, check the panel's stated open circuit voltage and current against your controller or power station input limits, and use cables rated for the current. Roof and permanent mounts belong to a qualified installer.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

RENOGY SHADOWFLUX 200W
A 200W N-type flexible panel with 25% efficiency, anti-shading diodes, a 270-degree bend and IP68 protection.
Pros
- 200W with up to 25% N-type cell efficiency stated
- Anti-shading tech with up to 30 bypass diodes
- 270-degree bend for curved roofs
- IP68-rated outdoor protection stated
Cons
- No warranty term is stated
- 7.72 lb is the heaviest single panel here
- No mounting hardware is listed in the included components
- 62.2 by 27.4 in needs the most roof space of the singles
Detailed Review
Renogy lists a 200W flexible panel with N-type cells at up to 25% conversion efficiency and ShadowFlux anti-shading tech using up to 30 bypass diodes to hold output under partial shade. It bends up to 270 degrees, measures 62.2 by 27.4 by 0.1 inches, and weighs 7.72 pounds in the bullets against 7.7 pounds in the spec table; trust the bullets. The build is UV-resistant TPO with glass-fiber reinforcement, the max voltage is 44.1V, and IP68-rated protection is stated. No warranty term is stated.
Who it's for: van and RV owners who park under trees and want the strongest shade handling here. Who should skip it: anyone who needs a warranty term or the lightest panel.
Its Solar Score of 9.7/10 comes from performance 33/35, build 22/25, value 21/25, safety 8/10 and warranty 0/5: 84 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Wattage | 200W |
|---|---|
| Efficiency | 25% |
| Max bend | 270 degrees |
| Weight | 7.72 lb |
Figures as published on the retailer listing, collected 19 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP68-rated outdoor protection stated, so safety scores 8 of 10. No warranty term, so warranty scores zero. See How We Pick.
Panels make voltage in daylight. Keep connectors covered until you connect them, check the panel's stated open circuit voltage and current against your controller or power station input limits, and use cables rated for the current. Roof and permanent mounts belong to a qualified installer.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

ECO-WORTHY 2X130W
A two-pack of 130W flexible panels, 260W total, with 25% efficiency, a 270-degree bend and IP68-rated junction boxes.
Pros
- 260W total from two 130W panels
- 25% efficiency with 270-degree bend
- IP68-rated junction box with built-in diodes
- 520Wh per panel under 4 hours of full sunlight stated
Cons
- No warranty term is stated
- 12.6 lb for the pair is the heaviest combined weight here
- No mounting adhesive or hardware is included
- Bullets and spec table split the weight differently: 6.28 lb per panel vs 12.6 lb total
Detailed Review
ECO-WORTHY lists two 130W flexible panels for 260W total, with 25% efficiency, 18BB cells, a 270-degree bend, 18V output, 24.5V max and 6.5A. Each panel measures 37.8 by 27.1 by 0.1 inches and weighs 6.28 pounds in the bullets, while the spec table lists 12.6 pounds; the spec table figure covers both panels, so trust the bullets per panel. The junction box is IP68-rated with built-in diodes, 2.9 ft cables are included for series or parallel wiring, and 6 metal-reinforced holes allow adhesive, silicone, tape, cable tie or Velcro mounting. The listing states up to 520Wh per panel under 4 hours of full sunlight. No warranty term is stated.
Who it's for: buyers who want the most wattage here and two panels to route around roof obstacles. Who should skip it: anyone who needs a warranty term or the lightest kit.
Its Solar Score of 9.7/10 comes from performance 32/35, build 21/25, value 22/25, safety 8/10 and warranty 0/5: 83 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Wattage | 260W total |
|---|---|
| Efficiency | 25% |
| Max bend | 270 degrees |
| Weight | 6.28 lb per panel |
Figures as published on the retailer listing, collected 19 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP68-rated junction box stated, so safety scores 8 of 10. No warranty term, so warranty scores zero. See How We Pick.
Panels make voltage in daylight. Keep connectors covered until you connect them, check the panel's stated open circuit voltage and current against your controller or power station input limits, and use cables rated for the current. Roof and permanent mounts belong to a qualified installer.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

CALLSUN 2X100W
A two-pack of 100W flexible panels, 200W total, with 11BB cells at 23% efficiency, ETFE coating and a 5-year warranty.
Pros
- 200W total with 11BB cells at 23% efficiency
- ETFE coating with multi-layer bonding
- 0.1 in thick all-black profile
- 5-year warranty stated
Cons
- No IP rating is stated
- Spec table lists 0.98 in thick against the bullets' 0.1 in
- 5.7 lb is not split per panel
- 1kWh daily figure is under ideal conditions only, per the listing
Detailed Review
Callsun lists two 100W flexible panels for 200W total, with 11BB monocrystalline cells at 23% efficiency, an ETFE coating with multi-layer bonding, and a 240-degree bend. Each panel measures 43.7 by 24.4 inches, 0.1 inch thick in the bullets against 0.98 inch in the spec table; trust the bullets, since 0.98 inch does not match an ultra-thin panel. The listing states 5.7 lb, 18.61V max, 5.38A, 12V output, 12V or 24V systems, and up to 1kWh daily under ideal conditions. A 5-year warranty is stated. No IP rating is stated.
Who it's for: stealth campers who want a thin all-black 200W pair with a warranty. Who should skip it: anyone who needs a stated IP rating.
Its Solar Score of 9.6/10 comes from performance 30/35, build 21/25, value 21/25, safety 0/10 and warranty 4/5: 76 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Wattage | 200W total |
|---|---|
| Efficiency | 23% |
| Max bend | 240 degrees |
| Warranty | 5 years |
Figures as published on the retailer listing, collected 19 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. No UL, TÜV or IEC listing and no weather rating is stated, so safety scores zero. 5-year warranty. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Panels make voltage in daylight. Keep connectors covered until you connect them, check the panel's stated open circuit voltage and current against your controller or power station input limits, and use cables rated for the current. Roof and permanent mounts belong to a qualified installer.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

TOPUNIVE 100W
A 100W, 12V flexible panel with 9BB cells at 23% efficiency, an IP67-rated junction box and a 45 cm minimum bend radius.
Pros
- 100W with 9BB cells at 23% efficiency
- IP67-rated junction box with 2 bypass diodes
- 45 cm minimum arc radius stated
- Metal pre-drilled holes for mounting
Cons
- No warranty term is stated
- Spec table lists 0.12 in thick against the bullets' 0.11 in
- Tied for the lowest wattage at 100W
- No snow or wind load figures are stated
Detailed Review
Topunive lists a 100W, 12V flexible panel with 9BB A-grade monocrystalline cells at 23% efficiency, an ETFE top layer and a TPT back panel. It measures 36.22 by 23.22 inches, 0.11 inch thick in the bullets against 0.12 inch in the spec table, and weighs 4.4 pounds. The junction box is IP67-rated with 2 built-in bypass diodes, the minimum arc radius is 45 cm (17.7 in), and metal pre-drilled holes plus PV solar connectors are included for mounting. No warranty term is stated.
Who it's for: buyers who want the most compact 100W panel here with mounting holes included. Who should skip it: anyone who needs a warranty term or a stated bend angle.
Its Solar Score of 9.6/10 comes from performance 28/35, build 20/25, value 21/25, safety 8/10 and warranty 0/5: 77 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Wattage | 100W |
|---|---|
| Efficiency | 23% |
| Min bend radius | 45 cm |
| Weight | 4.4 lb |
Figures as published on the retailer listing, collected 19 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP67-rated junction box stated, so safety scores 8 of 10. No warranty term, so warranty scores zero. See How We Pick.
Panels make voltage in daylight. Keep connectors covered until you connect them, check the panel's stated open circuit voltage and current against your controller or power station input limits, and use cables rated for the current. Roof and permanent mounts belong to a qualified installer.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
Renogy Flexible Solar Panel 100 WattCheck on Amazon
BougeRV Arch Pro 200W Anti-Shading N-TypeCheck on Amazon
DOKIO 400W Flexible Solar PanelsCheck on Amazon
ECO-WORTHY 200W Flexible HJT Solar PanelsCheck on Amazon
Compare the picks
| Solar panel | Solar Score | Wattage | Efficiency | Flex | Weight | Warranty | Amazon |
|---|---|---|---|---|---|---|---|
| RENOGY SHADOWFLUX 200W | 9.7/10 | 200W | 25% | 270 degrees | 7.72 lb | Not stated | View on Amazon |
| ECO-WORTHY 2X130W | 9.7/10 | 260W total | 25% | 270 degrees | 6.28 lb per panel | Not stated | View on Amazon |
| CALLSUN 2X100W | 9.6/10 | 200W total | 23% | 240 degrees | 5.7 lb stated | 5 years | View on Amazon |
| RENOGY 100W | 9.7/10 | 100W | Not stated | 240 degrees | 4 lb | 5 years | View on Amazon |
| TOPUNIVE 100W | 9.6/10 | 100W | 23% | 45 cm min radius | 4.4 lb | Not stated | View on Amazon |
Specifications are manufacturer rated as listed, collected 19 October 2026.
How we scored them
The Solar Score weighs performance, build, value, safety and warranty. For a flexible panel, safety means a stated IP rating, stated load figures or protection diodes the listing names; four of the five state an IP rating. Two of the five state a warranty term. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| RENOGY 100W | 9.7 | 29 | 20 | 20 | 8 | 4 |
| RENOGY SHADOWFLUX 200W | 9.7 | 33 | 22 | 21 | 8 | 0 |
| ECO-WORTHY 2X130W | 9.7 | 32 | 21 | 22 | 8 | 0 |
| CALLSUN 2X100W | 9.6 | 30 | 21 | 21 | 0 | 4 |
| TOPUNIVE 100W | 9.6 | 28 | 20 | 21 | 8 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
How to choose the best flexible solar panels for van roof
Start with wattage and roof space
Wattages here run from 100W on the Renogy and Topunive singles to 200W on the Renogy ShadowFlux single and the Callsun two-pack, up to 260W on the ECO-WORTHY two-pack. Measure the flat-enough area of your roof before you choose: the ShadowFlux is 62.2 by 27.4 inches as one panel, while the ECO-WORTHY pair splits the area into two 37.8 by 27.1 inch panels. Two smaller panels route around vents and fans more easily than one long one.
Match the bend to your roof’s curve
The ShadowFlux and ECO-WORTHY bend up to 270 degrees, the Renogy 100W and Callsun bend up to 240 degrees, and the Topunive states a 45 cm (17.7 in) minimum arc radius instead of an angle. A panel bent past its stated limit risks the cells, so check the curve of your roof against the figure before you commit.
| Solar panel | Wattage | Max bend | IP rating | Size |
|---|---|---|---|---|
| RENOGY SHADOWFLUX 200W | 200W | 270 degrees | IP68 | 62.2 x 27.4 in |
| ECO-WORTHY 2X130W | 260W total | 270 degrees | IP68 | 37.8 x 27.1 in per panel |
| CALLSUN 2X100W | 200W total | 240 degrees | Not stated | 43.7 x 24.4 in per panel |
| RENOGY 100W | 100W | 240 degrees | IP68 | 48 x 21.5 in |
| TOPUNIVE 100W | 100W | 45 cm min radius | IP67 | 36.22 x 23.22 in |
Efficiency, cells and shading
The ShadowFlux and ECO-WORTHY state 25 percent efficiency, the Callsun and Topunive state 23 percent, and the Renogy 100W states no efficiency figure. Cell tech differs too: N-type 18BB cells on the ShadowFlux, 18BB on the ECO-WORTHY, 11BB on the Callsun and 9BB on the Topunive. For partial shade from a roof vent or a tree, the ShadowFlux names anti-shading tech with up to 30 bypass diodes, the Topunive lists 2 bypass diodes, and the ECO-WORTHY lists built-in diodes. If you are pairing panels with a controller, our charge controller guides and solar panel kit roundups cover the rest of the system.
Weight, thickness and mounting
All five are thin: 0.1 inch on the ShadowFlux, ECO-WORTHY and Callsun, 0.1 inch on the Renogy 100W title figure, and 0.11 inch on the Topunive. Weights run from 4 pounds on the Renogy 100W to 7.72 pounds on the ShadowFlux, with the Topunive at 4.4 pounds and the ECO-WORTHY at 6.28 pounds per panel. Mounting differs: the Topunive and ECO-WORTHY list pre-drilled metal holes, the ECO-WORTHY also allows adhesive, silicone, tape, cable ties or Velcro, and the Callsun ships connection cables with a user manual. For the battery side, see our solar generator guides.
Sizing Notes
- Match the panel’s wattage and voltage to your charge controller’s input: the ECO-WORTHY panels state 24.5V max and 18V output, the Callsun states 18.61V max, the ShadowFlux 44.1V max, and the Renogy 100W and Topunive state 12V output.
- Check the open-circuit voltage against your power station’s limit before series wiring, especially on the 44.1V ShadowFlux.
- Confirm the panel fits the roof: the ShadowFlux is 62.2 by 27.4 in, the ECO-WORTHY 37.8 by 27.1 in per panel, the Renogy 100W 48 by 21.5 in.
- Note the bending limit: 270 degrees on the ShadowFlux and ECO-WORTHY, 240 degrees on the Renogy 100W and Callsun, a 45 cm minimum arc radius on the Topunive.
Frequently Asked Questions
Which panel has the most wattage?
The ECO-WORTHY two-pack at 260W total. The Renogy ShadowFlux and Callsun two-pack each state 200W, and the Renogy 100W and Topunive each state 100W.
Which is the lightest single panel?
The Renogy 100W at 4 pounds stated, then the Topunive at 4.4 pounds. The ShadowFlux is the heaviest single panel at 7.72 pounds.
Which listings state an IP rating?
The Renogy 100W, ShadowFlux and ECO-WORTHY state IP68, and the Topunive states an IP67-rated junction box. The Callsun listing states no IP rating.
Which listings state a warranty?
The Renogy 100W states a 5-year manufacturer warranty and the Callsun states a 5-year warranty. The ShadowFlux, Topunive and ECO-WORTHY listings state no warranty term.
Can these bend to fit a curved van roof?
The ShadowFlux and ECO-WORTHY bend up to 270 degrees, the Renogy 100W and Callsun up to 240 degrees, and the Topunive states a 45 cm (17.7 in) minimum arc radius. Check your roof’s curve against the figure before you buy.
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