Renogy ShadowFlux 200W Panel vs Rich Solar MEGA 200 12V Panel

• VerificationRenogy ShadowFlux 200W Panel: 2Rich Solar MEGA 200 12V Panel: 6 (higher)

  only the Renogy ShadowFlux 200W Panel: None verifiable; only the Rich Solar MEGA 200 12V Panel: UL 61730 listed.

  Renogy ShadowFlux 200W Panel

  • No certifier directory lists this model
  • Listings: the datasheet lists CE, UKCA and RCM only, with no UL 61730 claim

  Rich Solar MEGA 200 12V Panel

  • UL Listed PV module (QIIA.E553290) as MEGA 200; not on the CEC PV list
  • Holder: Rich Solar Inc (E553290); contract maker Future Star Energy (Shenzhen) (E549773)
  • Standard: QIIA is UL's PV-module safety category (UL 61730); abridged view prints no edition
  • Also: Intertek ETL Listed to UL 61215-1/-1-1/-2 (design qualification) as MEGA-200
  • Claim: page says certified to UL 61730, IEC 61215 and CSA C22.2
• Operating RangeRenogy ShadowFlux 200W Panel: 8 (higher)Rich Solar MEGA 200 12V Panel: 5

  Renogy ShadowFlux 200W Panel

  • Temperature coefficient of Pmax -0.29 percent per degree C
  • Range: datasheet gives -40 to 185 degrees F

  Rich Solar MEGA 200 12V Panel

  • Pmax temperature coefficient of -0.35 percent per °C
• EfficiencyRenogy ShadowFlux 200W Panel: 4 (higher)Rich Solar MEGA 200 12V Panel: 2

  Renogy ShadowFlux 200W Panel

  • 200 W from 0.964 square meters works out to 20.7 percent

  Rich Solar MEGA 200 12V Panel

  • 200 W over 1.01 m² computes to 19.7 percent module efficiency
  • Printed: datasheet says 20.2 percent module, 25.3 percent cell
• FeaturesRenogy ShadowFlux 200W Panel: 4 (higher)Rich Solar MEGA 200 12V Panel: 3

  Renogy ShadowFlux 200W Panel

  • IP67 junction box and cell-level bypass diodes; no bifacial rear
  • Diodes: CleverSolarPower counted 28 bypass diodes behind its 52 cells
  • Shade: output fell to 0 W with half the panel shaded in CleverSolarPower's test
  • Leads: IP68 MC4 connectors on 14 AWG leads of 23.6 in

  Rich Solar MEGA 200 12V Panel

  • IP67 junction box; no bifacial cells, split cells or station adapters

Same score

• CapacityRenogy ShadowFlux 200W Panel: 5Rich Solar MEGA 200 12V Panel: 5

  Renogy ShadowFlux 200W Panel

  • 200 W, the typical rung for a rigid panel
  • Voltage: 36.5 V open-circuit needs an MPPT controller; a 30 V-input controller will not take it

  Rich Solar MEGA 200 12V Panel

  • 200 W rated, on the typical 200 to 249 W rung
  • Electrical: 18.4 V and 10.9 A at maximum power, 21.8 V open circuit
• LifespanRenogy ShadowFlux 200W Panel: 7Rich Solar MEGA 200 12V Panel: 7

  Renogy ShadowFlux 200W Panel

  • Warranty guarantees 80 percent of rated output at 25 years
  • Steps: 95 percent at 5 years, 90 percent at 10

  Rich Solar MEGA 200 12V Panel

  • 80 percent of rated output guaranteed at 25 years
  • Schedule: over 95 percent at year five and 90 percent at year ten, per the FAQ
• Warranty & SupportRenogy ShadowFlux 200W Panel: 6Rich Solar MEGA 200 12V Panel: 6

  Renogy ShadowFlux 200W Panel

  • 5 years on materials and workmanship
  • Shorter: Renogy's standard N-type rigid panels carry 10 years

  Rich Solar MEGA 200 12V Panel

  • 5 years material and workmanship on Rich Solar's FAQ, the shortest term
  • Conflict: warranty page lists 10 years workmanship, marked prorated
  • Datasheet: says a 25-year limited product warranty

Not scored for either

• ValueRenogy ShadowFlux 200W Panel: —not scoredRich Solar MEGA 200 12V Panel: —not scored

• RedditRenogy ShadowFlux 200W Panel: 7 (higher)Rich Solar MEGA 200 12V Panel: 4

  The Rich Solar MEGA 200 12V Panel reading covers the whole brand.

  Renogy ShadowFlux 200W Panel

  Liked

  • Close to 200 W in full sun, per one owner
  • Usable output in partial sun, per two owners

  Complaints

  • Price against adding conventional panels, per two commenters

  Read the full summary

  • Owners: two r/SolarDIY owners of the 200 W panel report output close to 200 W in full sun and usable power in partial sun, one running two panels in parallel
  • Criticised: commenters in the same threads question the price against adding more conventional panels

  Rich Solar MEGA 200 12V 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 ShadowFlux 200W Panel: 6Rich Solar MEGA 200 12V Panel: 6

  The Rich Solar MEGA 200 12V Panel reading covers its product line.

  Renogy ShadowFlux 200W Panel

  Complaints

  • 25 percent efficiency is a cell figure; module level works out to 20.7 percent, per one member

  Read the full summary

  • Where: a DIY Solar Power Forum thread on the 52-cell 200 W panel, mostly prospective buyers rather than owners
  • Efficiency: one member works Renogy's 25 percent cell claim down to 20.7 percent at module level from the panel's 0.964 square meters
  • Shade: members cite tester videos both ways, one showing about a 10 percent drop with a corner shaded and another described as questionable

  Rich Solar MEGA 200 12V Panel

  Read the full summary

  • Scope: a Forest River Forums owner writes about Rich Solar's 200 W rigid panels without naming the voltage
  • Owner: runs six on his RV, keeps three more for an expansion and says his son runs ten; he would buy them again but calls them nothing exceptional (April 2023)
  • Size: he notes the updated 200 W panel came out five or six inches shorter at the same rating, letting him fit three up his roof (April 2023)
• YouTubeRenogy ShadowFlux 200W Panel: 6Rich Solar MEGA 200 12V Panel: 6

  The Rich Solar MEGA 200 12V Panel reading covers the whole brand.

  Renogy ShadowFlux 200W Panel

  Liked

  • 210 W in full sun, above its rating, per one tester with a discount code
  • Small loss with four cells shaded, per one tester with affiliate links
  • Kept producing after a saltwater dunk, per one tester with a discount code

  Complaints

  • 0 W with half the panel shaded, per one tester with affiliate links
  • Over a dollar a watt, per one tester with a discount code

  Read the full summary

  • Disclosure: every tester of the 200 W panel carries a tie: CleverSolarPower earns through Amazon affiliate links, Hobotech sells it under a discount code, and a third video is marked as paid promotion
  • Hobotech: measured 210 W in full sun and 60 W with half the panel shaded
  • CleverSolarPower: measured 138 W with four cells shaded and 0 W with half the panel shaded
  • Verdict: CleverSolarPower judges a half-cut panel better once more than about 20 cells are shaded

  Rich Solar MEGA 200 12V 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 ShadowFlux 200W Panel: 9 (higher)Rich Solar MEGA 200 12V Panel: 8

  Renogy ShadowFlux 200W Panel

  Liked

  • Build quality, positive in 67 of 75 reviews mentioning it
  • Power output, positive in 48 of 59 reviews mentioning it
  • Light weight, positive in 10 of 11 reviews mentioning it

  Complaints

  • Power output, negative in 11 of 59 reviews mentioning it
  • Controller compatibility, negative in 4 of 10 reviews mentioning it
  • Slow warranty service, per one owner

  Read the full summary

  • Main listing: Renogy's 200 W ShadowFlux listing (B0DMT2WTC8) holds 4.5 from 342 ratings, 81 percent five-star and 8 percent one-star
  • Second listing: the same 1,262 x 764 mm panel (B0DZCS9MHC) holds 4.5 from 174 ratings, 72 percent five-star and 4 percent one-star
  • Output: of 59 reviews on the main listing mentioning power output, 48 are positive

  Rich Solar MEGA 200 12V Panel

  Liked

  • Size right for the install, per four reviewers

  Complaints

  • Bigger than expected, per three reviewers
  • 30 to 40 percent of rated output up north, per one owner

  Read the full summary

  • Rating: 4.6 out of 5 from 519 ratings on RICH SOLAR's own Amazon US listing for the 200 W 12 V panel, 82 percent five-star and 3 percent one-star (October 2026)
  • Size: of seven reviewers Amazon tags for size, four find it right for their install and three find it bigger than expected (read October 2026)
  • Output: one reviewer averages 30 to 40 percent of rated output and blames a northern location (read October 2026)