Renogy Flex ShadowFlux 100W vs Rich Solar MEGA 100 FLEX Panel

• Warranty & SupportRenogy Flex ShadowFlux 100W: 4 (higher)Rich Solar MEGA 100 FLEX Panel: 1

  Renogy Flex ShadowFlux 100W: 3 Years · Rich Solar MEGA 100 FLEX Panel: 1 Year.

  Renogy Flex ShadowFlux 100W

  • 3 years on materials and workmanship
  • Shorter: Renogy gives its older flexible panels 5 years

  Rich Solar MEGA 100 FLEX Panel

  • 1 year of material and workmanship cover, not prorated
  • Scope: Rich Solar's FAQ also gives lightweight flexible panels 1 year
• FeaturesRenogy Flex ShadowFlux 100W: 4 (higher)Rich Solar MEGA 100 FLEX Panel: 3

  Renogy Flex ShadowFlux 100W

  • IP68 rating and 30 bypass diodes earn 3 of 8 points
  • Missing: no bifacial cells, no ETFE or glass front, no station adapters
  • Bending: up to 270 degrees along the long axis; Renogy's FAQ limits horizontal bending

  Rich Solar MEGA 100 FLEX Panel

  • IP68 junction box and MC4 leads; no front sheet, diodes or adapters stated
  • Cells: 30 monocrystalline ten-busbar cells, 182 x 91 mm
  • Mounting: pre-drilled holes and adhesive backing

Same score

• CapacityRenogy Flex ShadowFlux 100W: 1Rich Solar MEGA 100 FLEX Panel: 1

  Renogy Flex ShadowFlux 100W

  • 100 W, the bottom rung for a flexible panel

  Rich Solar MEGA 100 FLEX Panel

  • 100 W rated, on the 100 to 119 W rung for flexible panels
  • Electrical: 17.1 V and 5.85 A at Pmax, 20.4 V Voc, 6.13 A Isc
  • Tolerance: 0 to +5 W positive power tolerance
• EfficiencyRenogy Flex ShadowFlux 100W: 1Rich Solar MEGA 100 FLEX Panel: 1

  Renogy Flex ShadowFlux 100W

  • 100 W from 0.577 m² works out to 17.3 percent
  • Cell figure: Renogy advertises 25 percent, a cell figure

  Rich Solar MEGA 100 FLEX Panel

  • 17.0 percent module efficiency from 1468 x 400 mm; 22.8 percent is the cell figure
  • Spec sheet: Rich Solar's own sheet also prints 17 percent module efficiency
• LifespanRenogy Flex ShadowFlux 100W: 1Rich Solar MEGA 100 FLEX Panel: 1

  Renogy Flex ShadowFlux 100W

  • 3-year output warranty with no end-point percentage, below the 5-year rung
  • Cap: Will Prowse found every flexible panel he tested failed or lost significant output within 6 to 24 months
  • Tie: Prowse is paid through sponsorships and affiliate links
  • Not scored: operating range, since Renogy publishes no temperature coefficient

  Rich Solar MEGA 100 FLEX Panel

  • No power-output warranty published; flexible panels capped at 5
• VerificationRenogy Flex ShadowFlux 100W: 2Rich Solar MEGA 100 FLEX Panel: 2

  Renogy Flex ShadowFlux 100W

  • No certifier directory lists this model
  • Listings: Renogy lists CE, UKCA, CA65, TSCA and RCM, with no UL 61730 claim

  Rich Solar MEGA 100 FLEX Panel

  • No listing for RS-F100B in any directory; page claims none
  • Claim: page names no safety standard

Scored for one only

• Operating RangeRenogy Flex ShadowFlux 100W: —not scoredRich Solar MEGA 100 FLEX Panel: 5

  Renogy Flex ShadowFlux 100W

  Nothing recorded.

  Rich Solar MEGA 100 FLEX Panel

  • -0.35 percent per °C temperature coefficient of Pmax
  • Loads: rated 5,400 Pa snow and 2,400 Pa wind; -40 to 185 °F

Not scored for either

• ValueRenogy Flex ShadowFlux 100W: —not scoredRich Solar MEGA 100 FLEX Panel: —not scored

• RedditRenogy Flex ShadowFlux 100W: 7 (higher)Rich Solar MEGA 100 FLEX Panel: 4

  The Renogy Flex ShadowFlux 100W reading covers the whole brand; the Rich Solar MEGA 100 FLEX Panel reading covers the whole brand.

  Renogy Flex ShadowFlux 100W

  Read the full summary

  • Durable: an r/OffGrid owner has run several Renogy rigid panels for more than a decade with none failed; an r/vandwellers thread sums it up as panels fine, other gear less so
  • Warranty: an r/VanLife owner's RSP200D lost half its voltage after about 18 months, and Renogy shipped a replacement in two weeks under the 5-year warranty; that poster is quoted on Renogy's own ShadowFlux page
  • Support: an r/SolarDIY buyer of the 200 W suitcase reported a defective charge controller, two wrong replacement parts and dozens of emails before a 20 percent refund (2025)

  Rich Solar MEGA 100 FLEX Panel

  Read the full summary

  • Scope: few Reddit threads name Rich Solar, and those found are complaints
  • Battery: an r/SolarDIY owner's new ALPHA 5 read 6.7 V instead of 48 V, and Rich Solar's technician had not returned his call after two days (August 2023)
  • Order: an r/SolarDIY buyer waited from March for an out-of-stock ground mount, then was told its price had risen from $180 to $699 and cancelled; the refund took months (May 2025)
• GoogleRenogy Flex ShadowFlux 100W: 6 (higher)Rich Solar MEGA 100 FLEX Panel: 5

  The Renogy Flex ShadowFlux 100W reading covers the whole brand; the Rich Solar MEGA 100 FLEX Panel reading covers the whole brand.

  Renogy Flex ShadowFlux 100W

  Read the full summary

  • Footprint Hero: links Renogy panels through Amazon and Renogy's own affiliate program; ranked Renogy's older 100 W mono panel first of five 100 W panels it tested
  • Tests: 71.6 W peak in a December output test (2021) and 570 Wh over 24 hours against 490 Wh from a Newpowa (2023)
  • DIY Solar Forum: a 2022 thread opens with an owner whose Renogy gear still works after a decade
  • Low output: a thread titled 'I only get 85W out of my Two Renogy 100W panels' reports one panel as low as 40 percent of rating and four averaging 54 percent

  Rich Solar MEGA 100 FLEX Panel

  Read the full summary

  • Panels: DIY Solar Forum owners of Rich Solar 100 W panels reported them working as rated, one saying eight of them each pushed more than 100 W (August to September 2020)
  • Defects: an owner of 20 of the 100 W poly panels saw faint snail trails after a summer and found one with a broken diode wire (January 2021)
  • Controller: another found Rich Solar's MPPT controller OK but its setup and Bluetooth app in need of work (January 2021)
  • Warranty: a DIY Solar Forum owner reported Rich Solar cut its CIGS panel warranty from 5 years to 1 in 2021 (June 2026); an Escape Forum owner waited six weeks on a warranty claim (August 2024)
• YouTubeRenogy Flex ShadowFlux 100W: 6Rich Solar MEGA 100 FLEX Panel: 6

  The Renogy Flex ShadowFlux 100W reading covers the whole brand; the Rich Solar MEGA 100 FLEX Panel reading covers the whole brand.

  Renogy Flex ShadowFlux 100W

  Read the full summary

  • Disclosure: both channels found carry a tie to the panels they review
  • Freedom in a Can: passes on a 10 percent Renogy code through Renogy's affiliate link; found no delamination on two 100 W flexible panels after 9 months and 9,000 miles
  • Johnny's Weekends: earns Amazon commission on the panels it links; found Renogy's 200 W flexible panel performed well but trailed a CIGS panel under shade (2023, about 128,000 views)

  Rich Solar MEGA 100 FLEX Panel

  Read the full summary

  • Will Prowse: in a test of several panels a Rich Solar 200 W mono gave 157 W, 78.5 percent of rating, and a 100 W poly 88 W; he kept the poly first on his list for a small panel (May 2021, about 366,000 views)
  • Disclosure: Will Prowse states every video includes paid promotion or free product and some links are affiliate links
• AmazonRenogy Flex ShadowFlux 100W: 7Rich Solar MEGA 100 FLEX Panel: 8 (higher)

  The Renogy Flex ShadowFlux 100W reading covers its product line; the Rich Solar MEGA 100 FLEX Panel reading covers the whole brand.

  Renogy Flex ShadowFlux 100W

  Read the full summary

  • Listing: Renogy's Amazon US variation family for the Flex ShadowFlux (100 W B0HJR1VRF7, 200 W B0HJQQ6RY4) reads 4.4 from 474 ratings across both sizes and pack options
  • Caveat: Amazon marks the listing new in the past month, and its top reviews date from 2022 and describe Renogy's earlier 175 W flexible panels
  • Scope: the figure describes the previous flexible range rather than this panel

  Rich Solar MEGA 100 FLEX Panel

  Read the full summary

  • Seller: Rich Solar's Amazon US listings sit in a RICH SOLAR brand store sold and shipped by SUNRICH ENERGY
  • Panels: the 100 W 12 V panel family reads 4.7 from 1,326 ratings, 84 percent five-star and 2 percent one-star; the 200 W 12 V panel 4.6 from 519; the 200 W 24 V panel 4.3 from 252 (October 2026)
  • Controller: the BRAVO 40 MPPT controller reads 3.8 from 4 ratings (October 2026)