Renogy 100W N‑Type Panel vs Rich Solar MEGA 100 SLIM Panel

• EfficiencyRenogy 100W N-Type Panel: 4 (higher)Rich Solar MEGA 100 SLIM Panel: 2

  Renogy 100W N‑Type Panel

  • 100 W from 0.50 m² works out to 20.0 percent module efficiency
  • Conflict: Renogy markets 25 percent cell efficiency

  Rich Solar MEGA 100 SLIM Panel

  • 19.7 percent computed from 1270 x 400 mm; 25.1 percent cell figure marketed
  • Spec sheet: prints the same 19.7 percent module efficiency
• Warranty & SupportRenogy 100W N-Type Panel: 8 (higher)Rich Solar MEGA 100 SLIM Panel: 6

  Renogy 100W N-Type Panel: 10 Years · Rich Solar MEGA 100 SLIM Panel: 5 Years.

  Renogy 100W N‑Type Panel

  • 10 years for materials and workmanship

  Rich Solar MEGA 100 SLIM Panel

  • 5 years of workmanship cover in Rich Solar's FAQ, the shorter of its stated terms
  • Conflict: warranty page says 10 years, prorated; spec sheet says 25-year product
  • Proration: 10-year schedule pays in full to year 3, then 5 percent by year 10
• FeaturesRenogy 100W N-Type Panel: 2Rich Solar MEGA 100 SLIM Panel: 3 (higher)

  Renogy 100W N‑Type Panel

  • IP65 junction box, two bypass diodes, no station adapters
  • Cables: 600 mm (23.6 in) of 14 AWG

  Rich Solar MEGA 100 SLIM Panel

  • IP67 junction box and connectors; no diode count or station adapters
  • Build: 3.2 mm AR-coated tempered glass in an anodized aluminum frame
  • Loads: certified for 2400 Pa wind and 5400 Pa snow

Same score

• CapacityRenogy 100W N-Type Panel: 1Rich Solar MEGA 100 SLIM Panel: 1

  Renogy 100W N‑Type Panel

  • 100 W, the bottom rung for a rigid panel

  Rich Solar MEGA 100 SLIM Panel

  • 100 W rated, on the 100 to 119 W rung
• Operating RangeRenogy 100W N-Type Panel: 5Rich Solar MEGA 100 SLIM Panel: 5

  Renogy 100W N‑Type Panel

  • Temperature coefficient of Pmax of -0.32 percent per °C

  Rich Solar MEGA 100 SLIM Panel

  • -0.35 percent per °C temperature coefficient of Pmax
  • Temperature: rated from -40 to +185 °F
• LifespanRenogy 100W N-Type Panel: 7Rich Solar MEGA 100 SLIM Panel: 7

  Renogy 100W N‑Type Panel

  • 80 percent of rated output guaranteed at 25 years
  • Schedule: 95 percent output at 5 years and 90 percent at 10

  Rich Solar MEGA 100 SLIM Panel

  • 80 percent of rated output guaranteed at 25 years
• VerificationRenogy 100W N-Type Panel: 2Rich Solar MEGA 100 SLIM Panel: 2

  only the Renogy 100W N-Type Panel: None verifiable; only the Rich Solar MEGA 100 SLIM Panel: Claimed only.

  Renogy 100W N‑Type Panel

  • No certifier directory, including Intertek, UL, CSA, SGS, TÜV or CEC, lists it

  Rich Solar MEGA 100 SLIM Panel

  • No record for RS-M100SL25; UL PV listing names MEGA 100, a near-miss
  • Near-miss: UL QIIA.E553290 lists MEGA 100; QIIA.E549773 lists RS-M100; neither names MEGA 100 SLIM
  • Claim: page says certified to UL 61730, IEC 61215 and CSA C22.2; no record

Not scored for either

• ValueRenogy 100W N-Type Panel: —not scoredRich Solar MEGA 100 SLIM Panel: —not scored

• RedditRenogy 100W N-Type Panel: 7 (higher)Rich Solar MEGA 100 SLIM Panel: 4

  The Renogy 100W N-Type Panel reading covers the whole brand; the Rich Solar MEGA 100 SLIM Panel reading covers the whole brand.

  Renogy 100W N‑Type Panel

  Read the full summary

  • Overall: Reddit owners mostly report Renogy's rigid panels holding up
  • r/OffGrid: an owner has run several for more than a decade with none failed
  • r/vandwellers: a thread on the brand 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; Renogy shipped a replacement in two weeks under the 5-year warranty
  • Disclosure: that poster is quoted on Renogy's own ShadowFlux page
  • Support: an r/SolarDIY buyer of the 200 W suitcase reports a defective charge controller, two wrong replacement parts and dozens of emails before a 20 percent refund (2025)

  Rich Solar MEGA 100 SLIM 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 100W N-Type Panel: 6 (higher)Rich Solar MEGA 100 SLIM Panel: 5

  The Renogy 100W N-Type Panel reading covers the whole brand; the Rich Solar MEGA 100 SLIM Panel reading covers the whole brand.

  Renogy 100W N‑Type Panel

  Read the full summary

  • Footprint Hero: links Renogy panels through Amazon and through Renogy's own affiliate program
  • Results: ranked Renogy's older 100 W mono panel first of five 100 W panels tested: 71.6 W peak in a December output test (2021) and 570 Wh over 24 hours against 490 Wh from a Newpowa (2023)
  • Long term: on 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 SLIM 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 100W N-Type Panel: 6Rich Solar MEGA 100 SLIM Panel: 6

  The Renogy 100W N-Type Panel reading covers the whole brand; the Rich Solar MEGA 100 SLIM Panel reading covers the whole brand.

  Renogy 100W N‑Type Panel

  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 SLIM 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 100W N-Type Panel: 8 (higher)Rich Solar MEGA 100 SLIM Panel: 7

  The Renogy 100W N-Type Panel reading covers its product line.

  Renogy 100W N‑Type Panel

  Read the full summary

  • Listing: Renogy's Amazon US listing for the 100 W N-type panel (B07GF5JY35) reads 4.6 from 7,023 ratings
  • Pooled: the count is shared across a family that also sells the 200 W panel, 2-packs and a ShadowFlux 2-pack
  • 200 W listing: B08CRJYJ22 reads 4.6 from 7,041: 80 percent five-star, 10 percent four, 4 percent three, 2 percent two and 4 percent one-star
  • Generations: its product details still describe an earlier 19.2 percent 200 W panel, so the count spans earlier generations

  Rich Solar MEGA 100 SLIM Panel

  Liked

  • Power output, tagged positive in 8 reviews
  • Fits a truck toolbox lid, per one buyer
  • Output per spec, per one buyer

  Complaints

  • Power, tagged negative in 1 review

  Read the full summary

  • Rating: the MEGA 100 Slim's listing (B0BFC5NY6M) holds 4.8 stars from 28 ratings, 87 percent five-star and none below three stars (October 2026)
  • Praised: buyers tag power positively in 8 of 9 mentions, one fitting it to a truck toolbox lid with output per spec
  • Caution: the listing's bullets still give an older 5.52 A figure, so some ratings may predate the current N-type version