Renogy 320W N‑Type Panel vs BougeRV 300W Bifacial Panel

• EfficiencyRenogy 320W N-Type Panel: 8 (higher)BougeRV 300W Bifacial Panel: 4

  Renogy 320W N‑Type Panel

  • 320 W from 1.44 m² works out to 22.2 percent, as the spec table prints
  • Marketing: Renogy markets up to 25 percent cell efficiency

  BougeRV 300W Bifacial Panel

  • 300 W over 1557 x 950 mm computes to 20.3 percent module efficiency
  • Marketed: 25 percent cell efficiency on the page and spec sheet
• CapacityRenogy 320W N-Type Panel: 10 (higher)BougeRV 300W Bifacial Panel: 8

  Renogy 320W N‑Type Panel

  • 320 W, the top rung for a rigid panel

  BougeRV 300W Bifacial Panel

  • 300 W rated, on the 250 to 319 W rung for a rigid panel
  • Electrical: 37.6 V and 8.13 A at maximum power, 44.2 V open circuit
• FeaturesRenogy 320W N-Type Panel: 3BougeRV 300W Bifacial Panel: 6 (higher)

  Renogy 320W N‑Type Panel

  • IP68 junction box and connectors, two bypass diodes, no station adapters
  • Frame: rated for 5,400 Pa of snow load and 2,400 Pa of wind load
  • Cables: 900 mm (35.4 in) of 12 AWG

  BougeRV 300W Bifacial Panel

  • Bifacial and an IP68 junction box; no diode count or station adapters
  • Source: IP68 junction box stated on BougeRV's Amazon listing, not the spec sheet

Same score

• LifespanRenogy 320W N-Type Panel: 7BougeRV 300W Bifacial Panel: 7

  Renogy 320W N‑Type Panel

  • 80 percent of rated output guaranteed at 25 years
  • Conflict: the product page's spec table reads a 10-year output warranty

  BougeRV 300W Bifacial Panel

  • Over 80 percent output at 25 years by the warranty policy
  • Page figure: 30-year linear output warranty with no end percentage
• VerificationRenogy 320W N-Type Panel: 2BougeRV 300W Bifacial Panel: 2

  Renogy 320W N‑Type Panel

  • Intertek and the CEC list the RSP320D-BK-84, not the RSP320DC-BK

  BougeRV 300W Bifacial Panel

  • No directory listing for TBJ300W-B; no certification claimed
  • Standard: UL 61730 needed for a listing
  • Searched: Intertek UL CEC LabTest Certipedia SGS
  • Holder: Guangzhou Boju Information Technology Co. Ltd.
  • Not run: TÜV SÜD directory blocked
• Warranty & SupportRenogy 320W N-Type Panel: 8BougeRV 300W Bifacial Panel: 8

  Renogy 320W N‑Type Panel

  • 10 years for materials and workmanship

  BougeRV 300W Bifacial Panel

  • 10 years for materials and workmanship, not prorated
  • Condition: original buyer, bougerv.com purchase, proof of purchase

Scored for one only

• Operating RangeRenogy 320W N-Type Panel: 5BougeRV 300W Bifacial Panel: —not scored

  Renogy 320W N‑Type Panel

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

  BougeRV 300W Bifacial Panel

  Nothing recorded.

Not scored for either

• ValueRenogy 320W N-Type Panel: —not scoredBougeRV 300W Bifacial Panel: —not scored

• RedditRenogy 320W N-Type Panel: 7 (higher)BougeRV 300W Bifacial Panel: 5

  The Renogy 320W N-Type Panel reading covers the whole brand; the BougeRV 300W Bifacial Panel reading covers the whole brand.

  Renogy 320W 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)

  BougeRV 300W Bifacial Panel

  Read the full summary

  • Panels: an r/SolarDIY owner who paid $132 each for several 200 W bifacial panels found visible busbar defects on three of them (July 2025)
  • Support: the same owner said BougeRV support sent replacements for the defective panels within a couple of days (July 2025)
  • Delivery: an r/solar poster said a charge controller was delivered to another address in his city and called BougeRV a ripoff (April 2026)
  • Owners: in an r/GoRVing thread on RV solar, several owners named BougeRV 200 W bifacial or TOPCon panels in their setups (November 2025)
• GoogleRenogy 320W N-Type Panel: 3BougeRV 300W Bifacial Panel: 7 (higher)

  The Renogy 320W N-Type Panel reading covers its product line; the BougeRV 300W Bifacial Panel reading covers the whole brand.

  Renogy 320W N‑Type Panel

  Read the full summary

  • DIY Solar Forum: an owner of four 24 V 320 W Renogy rigid panels wired in series, model not named, had two develop burn spots within a week
  • Replacements: Renogy replaced them, and the replacements burned within four hours of sun, one smoking
  • Conditions: about an hour of morning shade fell on part of the array (May 2026)

  BougeRV 300W Bifacial Panel

  Read the full summary

  • Durability: a DIY Solar Forum owner who paid $400 each for three Yuma 200 W CIGS panels found no delamination after a 30-day, 1,100-mile boat trip (December 2025)
  • Output: the same owner measured a new Yuma 200 W at 137 W, level with a pair of glass panels in the same sun (August 2024)
  • Free unit: another forum owner, given his first Yuma 100 W by BougeRV for review, bought two more and logged about 20 percent more daily output than a monocrystalline panel (September 2023)
  • The Gadgeteer: measured a 100 W CIGS 10 to 20 W below a folding panel lying flat; the review carries affiliate links and a $40 code (November 2022)
  • Shade: a Sprinter-Source owner chose a 200 W CIGS for producing power when nearly 75 percent shaded (June 2024)
• YouTubeRenogy 320W N-Type Panel: 6BougeRV 300W Bifacial Panel: 6

  The Renogy 320W N-Type Panel reading covers the whole brand; the BougeRV 300W Bifacial Panel reading covers the whole brand.

  Renogy 320W 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)

  BougeRV 300W Bifacial Panel

  Read the full summary

  • Jeremiah Mcintosh: found the Yuma 200 W CIGS did not disappoint in low light or aimed at the sun against his 200 W foldables (April 2023, about 136,000 views)
  • Disclosure: he offers 15 percent off bougerv.com with the code McIntosh and links Amazon affiliate pages
  • The Off-Grid Mountain Homestead: tested a CIGS panel in full sun and cloud and called it very nice and ultra lightweight (September 2024, about 1,100 views)
  • Disclosure: he received the panel free and links it through Amazon Associates
  • StoneBroke Adventure: said the 24 V 200 W N-type bifacial outperformed its rating in real-world use (October 2025), in a video marked as including paid promotion
• AmazonRenogy 320W N-Type Panel: 8 (higher)BougeRV 300W Bifacial Panel: 2

  Renogy 320W N‑Type Panel

  Liked

  • Produced above its 320 W rating for a year, per one owner

  Complaints

  • Burn spots through the backing under partial shade, on a replacement too, per one owner
  • Panels or box damaged in shipping, per two owners
  • Bent frames, per some owners

  Read the full summary

  • 2-pack listing: Renogy's 2-pack of the 320 W N-type 18BB panel on Amazon US (B0FJM4GGCR) reads 4.5 from 29 ratings
  • Spread: 73 percent five-star, 12 percent four-star, 10 percent three-star and 5 percent one-star
  • Second listing: packs of two to ten (B08D644VFN) read 4.4 from 148, 77 percent five-star and 6 percent one-star
  • Caveat: that ASIN is older than the N-type panel

  BougeRV 300W Bifacial Panel

  Liked

  • Light for its size and well packed, per one Vine reviewer
  • Doing well in winter conditions, per one Vine reviewer

  Complaints

  • Output below the 300 W rating, per two owners
  • Poor output for the price, per one owner
  • Electrical specs not labelled on the panel, per one Vine reviewer

  Read the full summary

  • Listing: BougeRV's Amazon US listing for the 300 W bifacial panel (B0FHKJ76SR) reads 3.3 from 15 ratings (October 2026); several top reviews are Vine reviews of free units
  • Output: one owner said the panels seem under 300 W at standard conditions and called output poor for the price; another said all would need about 285 W to earn more stars
  • Rewards: BougeRV runs an Amazon-order rewards page on its own site, so this pool scores one point below what the star split alone gives