Product comparison · Portable Solar Panels

Renogy E.Flex 100W vs BougeRV 100W Portable Panel

The Renogy E.Flex 100W scores 4.9 and ranks 7th of 14 in Portable Solar Panels; the BougeRV 100W Portable Panel scores 4.0 and ranks 13th of 14 in Portable Solar Panels. The E.Flex 100W leads on warranty & support.

All 58 Renogy products
Renogy E.Flex 100W N-Type Portable Solar Panel

Renogy E.Flex 100W

$127 · 7th of 14 in Portable Solar Panels

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  • Warranty & Support — 3 against 1
4.9
vs
4.0
All 22 BougeRV products
BougeRV FS100W 100W Foldable Portable Solar Panel

BougeRV 100W Portable Panel

$110 · 13th of 14 in Portable Solar Panels

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    Across everything we scored, Renogy E.Flex 100W sits 0.85 ahead — led by warranty & support.

    Verdict

    E.Flex 100W ahead · +0.85 (4.9 vs 4.0)

    Pick the Renogy E.Flex 100W when

    Warranty & support matters3vs1

    Features matters4vs3

    Efficiency matters5vs4

    Pick the BougeRV 100W Portable Panel when

    A criterion we do not score decides itthe 100W Portable Panel leads on none of the ones we do

    Scored 15 October 2026 from published specs and owner reviews. We don't buy or test units. How we score

    Usability Renogy E.Flex 100W and BougeRV 100W Portable Panel, scored 0 to 10

    • Warranty & SupportRenogy E.Flex 100W: 3 (higher)BougeRV 100W Portable Panel: 1

      Renogy E.Flex 100W: 2 Years · BougeRV 100W Portable Panel: 1 Year.

      Renogy E.Flex 100W

      • 2-year warranty

      BougeRV 100W Portable Panel

      • 18 months in the manual against 2 years on the page; shorter scored
      • Conflict: product page 2 years, manual 18 months
    • EfficiencyRenogy E.Flex 100W: 5 (higher)BougeRV 100W Portable Panel: 4

      Renogy E.Flex 100W

      • 100 W over 0.67 m² unfolded works out to 15.0 percent, typical for folding panels
      • Cell figure: Renogy advertises 25 percent, a cell figure

      BougeRV 100W Portable Panel

      • 14.98 percent computed from 45.0 x 23.0 in, just under the 15 percent rung
      • Marketed: 25 percent cell efficiency from Grade A cells, against the computed figure
    • FeaturesRenogy E.Flex 100W: 4 (higher)BougeRV 100W Portable Panel: 3

      Renogy E.Flex 100W

      • IP65 rating, ETFE front and four kickstands earn 3 of 8 points
      • Missing: no station adapter in the box; Renogy sells a 4-in-1 cable for $29.99
      • Ports: 45 W USB-C PD and USB-A ports rated 18 W and 15 W on the panel
      • Conflict: Renogy's Amazon listing gives both IP65 and IP67
      • Weight: Conflict: the same listing gives both 7.28 lb and 8.86 lb

      BougeRV 100W Portable Panel

      • IP65 and kickstands; no bypass-diode, front-sheet or adapter listing
      • Conflict: page mentions multiple output ports; manual shows one output cable

    Same score

    • CapacityRenogy E.Flex 100W: 1BougeRV 100W Portable Panel: 1

      Renogy E.Flex 100W

      • 100 W, the bottom rung for a portable panel

      BougeRV 100W Portable Panel

      • 100 W rated, on the 100 to 119 W rung for portable panels
      • Electrical: 18 V and 5.56 A at maximum power, 21 V open circuit
    • LifespanRenogy E.Flex 100W: 1BougeRV 100W Portable Panel: 1

      Renogy E.Flex 100W

      • No power-output warranty published
      • Not scored: operating range, since Renogy publishes no temperature coefficient

      BougeRV 100W Portable Panel

      • No power-output warranty in the manual or on the product page
      • Policy: the warranty page lists 25-year output for panels but defers to each manual
    • VerificationRenogy E.Flex 100W: 2BougeRV 100W Portable Panel: 2

      Renogy E.Flex 100W

      • No certifier directory lists this model

      BougeRV 100W Portable Panel

      • No directory listing for US-S02001; 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

    Scored for one only

    • Operating RangeRenogy E.Flex 100W: not scoredBougeRV 100W Portable Panel: 5

      Renogy E.Flex 100W

      Nothing recorded.

      BougeRV 100W Portable Panel

      • Pmax coefficient of −0.35 %/°C, on the −0.31 to −0.36 rung
      • Temperature: rated to run from 14 to 149 °F

    Not scored for either

    • ValueRenogy E.Flex 100W: not scoredBougeRV 100W Portable Panel: not scored

    Social score about the Renogy E.Flex 100W and the BougeRV 100W Portable Panel

    • RedditRenogy E.Flex 100W: 7 (higher)BougeRV 100W Portable Panel: 5

      The Renogy E.Flex 100W reading covers its product line; the BougeRV 100W Portable Panel reading covers the whole brand.

      Renogy E.Flex 100W

      Read the full summary
      • Owner: one r/solar owner running Renogy's 200 W N-type E.Flex with a power station reports about 145 W at midday and about 190 W at the best angle
      • Value: rates it the best output per dollar of the portable panels they have owned
      • Weight: the same owner puts its weight at 14 to 17 lb and measured about 45 W from its USB-C port

      BougeRV 100W Portable 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 E.Flex 100W: 7BougeRV 100W Portable Panel: 7

      The Renogy E.Flex 100W reading covers its product line; the BougeRV 100W Portable Panel reading covers the whole brand.

      Renogy E.Flex 100W

      Read the full summary
      • OutdoorGearLab: buys the panels it tests and earns a commission through its Amazon links
      • Measured: Renogy's 200 W N-type E.Flex gave 177 W over a one-hour test, 88 percent of its rating
      • Ranking: first of 12 portable panels, with an Editors' Choice award
      • Faulted: its 14.8 lb measured weight, kickstand legs that adjust less easily than rivals' and an IP65 rating below the IP67 and IP68 of other panels tested

      BougeRV 100W Portable 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 E.Flex 100W: 6BougeRV 100W Portable Panel: 6

      The Renogy E.Flex 100W reading covers the whole brand.

      Renogy E.Flex 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)

      BougeRV 100W Portable Panel

      Liked

      • Light, portable design (August 2026)
      • Durability and charging performance (August 2026)
      Read the full summary
      • Product Master Review: tested the 100 W panel outdoors and called it a great mix of portability, durability and charging performance (August 2026, about 27,300 views)
      • Disclosure: the panel was gifted by BougeRV and the video carries Amazon Associate links
    • AmazonRenogy E.Flex 100W: 9 (higher)BougeRV 100W Portable Panel: 5

      The Renogy E.Flex 100W reading covers its product line.

      Renogy E.Flex 100W

      Read the full summary
      • Listing: Renogy's 100 W and 200 W N-type portable panels share one Amazon variation family
      • Rating: 4.5 from 963 ratings, 78 percent five-star and 6 percent one-star
      • Summary: Amazon's review summary reports power output as mixed and notes that no cables or station adapters come in the box

      BougeRV 100W Portable Panel

      Liked

      • Reliability, positive in 9 of 12 mentions
      • Value for money, positive in 4 of 5 mentions
      • Charged a battery in under 3 hours, per one owner

      Complaints

      • Reliability, negative in 3 of 12 mentions
      • Worth it only at a sale price, per one owner
      Read the full summary
      • Listing: BougeRV's Amazon US listing for the 100 W panel (B0G64B4W6W, model FS100W) reads 4.3 from 30 ratings: 68 percent five-star, 15 four, 9 three, none two, 8 one-star (October 2026)
      • Owners: Amazon's review summary says buyers find it reliable and good value, with 3 of 12 reliability mentions negative
      • Rewards: BougeRV runs an Amazon-order rewards page on its own site, so this pool scores one point below its star split

    Renogy E.Flex 100W vs BougeRV 100W Portable Panel: pros and cons

    Renogy E.Flex 100W

    Overall score 4.9

    Strengths

    • Light for a folding panelby Renogy's Amazon listing
    • Charges phones and cameras from the panel
    • Adjustable kickstands
    • Weather-rated with an ETFE coatingper Renogy's Amazon listing
    • Folds compact with a magnetic closure

    Drawbacks

    • Low whole-panel efficiency
    • No power-output warranty
    • Short warranty
    • MC4-to-station adapter not includedRenogy sells a 4-in-1 cable for $29.99
    • IP rating and weight stated two ways on Amazon

    BougeRV 100W Portable Panel

    Overall score 4.0

    Strengths

    • Light and easy to carry
    • Adjustable kickstands
    • Splash and dust protection
    • Fiberglass-reinforced surface

    Drawbacks

    • Module efficiency well below the marketed cell figure
    • No power-output warranty
    • Short warrantyand BougeRV's own documents disagree on it
    • Output ports on the page do not match the manual

    Renogy E.Flex 100W vs BougeRV 100W Portable Panel: the numbers

    Price, scores and rank, then only the specs that differ. Green marks the side with more.

    4.9
    Overall
    Usability2.5
    Social7.3

    7th of 14 in Portable Panels

    4.0
    Overall
    Usability2.3
    Social5.8

    13th of 14 in Portable Panels

    • Warranty
      Renogy More2 Years
      BougeRV1 Year
    • Weight
      Renogy7.3 lb
      BougeRV6.9 lb

    Same on both

    • Not listedSystem voltage
    • Not listedCapacity
    • 100-149 WPanel power
    • Not listedAC output
    • Not listedCharge current
    • Not listedCell type
    • Not listedLow-temperature charging
    • Not listedMonitoring
    • None verifiableSafety listings

    We earn a commission if you buy through these links. It never changes a score.

    Not sold on either one?

    The top-scored and the cheapest other pick from each brand.

    More from Renogy 7 scored in Portable Solar Panels

    Renogy 400W Lightweight Portable Solar Suitcase
    Top scoredRenogy 400W Solar Suitcase$496$369 more
    6.0
    What’s different
    • Panel power: 400 W or more, not 100-149 W
    • Warranty: 3 Years, not 2 Years
    Pick it ifCapacity matters10vs1
    Renogy E.Flex 120W Portable Solar Panel
    Lowest priceRenogy E.Flex 120W$120$7 less
    4.6
    What’s different
    • Warranty: 1 Year, not 2 Years
    Pick it ifCapacity matters3vs1

    More from BougeRV 2 scored in Portable Solar Panels

    BougeRV FS200W 200W Foldable Portable Solar Panel
    Top scoredBougeRV 200W Portable Panel$190$80 more
    4.7
    What’s different
    • Panel power: 200-249 W, not 100-149 W
    Pick it ifCapacity matters5vs1
    BougeRV 100W N-Type Fiberglass Foldable Portable Solar Panel
    3.8
    What’s different
    • Warranty: 2 Years, not 1 Year
    Pick it ifWarranty & support matters3vs1

    Renogy E.Flex 100W vs BougeRV 100W Portable Panel: common questions

    Is the Renogy E.Flex 100W better than the BougeRV 100W Portable Panel?

    On our scores, the Renogy E.Flex 100W is ahead, 4.9 against 4.0. The Renogy E.Flex 100W leads on warranty & support (3 against 1), features (4 against 3) and efficiency (5 against 4).

    Which is cheaper, the Renogy E.Flex 100W or the BougeRV 100W Portable Panel?

    The BougeRV 100W Portable Panel, at $110 against $127: $17 less.

    Which has the longer warranty, the Renogy E.Flex 100W or the BougeRV 100W Portable Panel?

    The Renogy E.Flex 100W: 2 Years, against 1 Year.

    What do owners say about the Renogy E.Flex 100W and the BougeRV 100W Portable Panel?

    Across 4 independent sources scored for both, the Renogy E.Flex 100W is ahead on Reddit and Amazon; Google and YouTube are level.

    More portable solar panels comparisons

    More head-to-heads with these two, plus the full brand comparison.

    Scores calculated 15 October 2026 · Products excluded where fewer than two independent sources cover them ·  · How we score

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