Is 30 watt solar panel profitable to sell on Amazon United States?

The niche generates $36K/yr across 45 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +16.6%. Flapen's verdict: Worth a look (54/100).

How competitive is the 30 watt solar panel niche?

34 brands and 47 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 45% of demand.

What do buyers complain about in 30 watt solar panel?

Top complaints mined from reviews: Charging, Battery Life, Functionality-Overall. The return rate is 2.9%.

When does demand for 30 watt solar panel peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the 30 watt solar panel niche?

Listings span $15.48–$201.42; the average listing price is $51.42 (sweet spot $15–$100). The average incumbent carries 594 reviews — the moat a new listing must climb.

30 watt solar panel

Worth a look

Shows a sweet-spot price point ($51.42 avg), but a small market ($36K/yr) keeps it on the watch list.

Avg price

Great$51.42

avg listing price — sweet spot $15–$100

Brand share

Great45%

top-5 brand share — no brand owns this niche

Competition

Great33%

top-5 click share — an open shelf

Review moat

Good594.31

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.9%

return rate — above 5% kills the launch gate

Growth

Okay+16.6%

90-day search growth — must beat 0% to launch

Price range

Okay$15.48–$201.42

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Market size

Bad$36K

$36K/yr · 38K searches

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, 30 watt solar panel is a $36K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 45% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

30 watt solar panel market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $51K–$64K; units × avg price
Conversion rate: 1.8%
Avg BSR: #335
Page quality: 0%
Prime: 98%
Sponsored: 84%
Out of stock: 9.5%
Avg brand age: 36 months
Avg seller age: 210 days

Competition & brand share

Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.

Brands

34 flat

Sellers

Top-5 brand share

45%

Top 20: 90%

Top-5 click share

33%

Top 20: 78%

Open market

49%

SUNER POWER16%
SOLPERK9%
ECO-WORTHY8%
ENOFLO6%
SOLUPUP6%
Callsun6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +16.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 30 watt solar panel products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

ECO-WORTHY Solar Panel 25W 18V Monocrystalline Waterproof Panel for Charging 12V Battery of RV Boat Trailer ATV Car or Powering Light Charing 12V Battery Pack and Other Off-Grid Applications

ECO-WORTHY$30.964.6★738 rev

SOLPERK 30W Solar Battery Charger Solar Battery Maintainer + Upgrade 10A MPPT Charge Controller + Adjustable Mount Bracket for Car RV Boat Motorcycle12V Waterproof Solar Panel Kit Trickle Charging

SOLPERK$64.094.5★204 rev

ENOFLO 30W Solar Panel Charger YT30 Foldable Solar Panel IP65 Waterproof Solar Charger with QC3.0 USB & DC Output(10 Connectors) 24% High Efficiency for Outdoor Camping

ENOFLO$37.224.4★638 rev

Callsun 30W 12V Solar Battery Charger & Maintainer Waterproof Trickle Charging Kit with IP68 Intelligent Controller High-Performance Tempered Glass for Car RV Marine Camper and Trailer

Callsun$42.694.7★17 rev

SOLUPUP Solar Panels 30W Portable Foldable Solar Charger with 5V USB-A and USB-C Fast Charging Compatible with iPhone iPad Samsung Power Banks IPX5 Waterproof Perfect for Camping Hiking Outdoor

SOLUPUP$35.734.4★200 rev

Newest

by launch date

N-Type 30W Portable ETFE Solar Panel w/Dual USB-A QC3.0 & 25W USB-C IP67 Waterproof for Camping Hiking Backpacking Emergency Solar Charger for iPhone/Android iPad Power Bank GPS

Holdwell S$32.1311 rev

5mo ago

VEVOR 30W 12V Solar Panel Battery Charger Solar Battery Trickle Charger Maintainer with Intelligent MPPT Controller & Adjustable Mount Bracket IP67 Waterproof for Car Boat RV Motorcycle Trailer

VEVOR$39.3125 rev

10mo ago

ENOFLO 30W Solar Panel Charger YT30 Foldable Solar Panel IP65 Waterproof Solar Charger with QC3.0 USB & DC Output(10 Connectors) 24% High Efficiency for Outdoor Camping

ENOFLO$37.22638 rev

11mo ago

Renogy Solar Panels 30W Portable Solar Panel Charger Fast Charging for iPhone iPad Tablets Laptop Power Bank with USB-C USB-A DC Ports IP67 for Camping Hiking Backpacking Outdoor

Renogy$67.9121 rev

1y ago

Callsun 30W 12V Solar Battery Charger & Maintainer Waterproof Trickle Charging Kit with IP68 Intelligent Controller High-Performance Tempered Glass for Car RV Marine Camper and Trailer

Callsun$42.6917 rev

1y ago

What buyers say about 30 watt solar panel

What buyers praise and complain about, mined from review topics.

What buyers love

Charging20%

“Perfect for charging”

Battery Life13%

“Charges battery great”

Quality-Overall12%

“the build quality is excellent”

Assembly/Installation10%

“Easy install”

Advertised Vs Actual Product7%

“As advertised”

Ease Of Use5%

“Very Convenient”

Value For Money4%

“Worth every penny”

Durability3%

“The material seems durable”

Portability3%

“Very Portable”

Strength2%

“a sturdy frame”

What buyers complain about

Charging24%

“Stopped charging”

Battery Life9%

“battery dead”

Functionality-Overall8%

“Never worked”

Durability7%

“Broke”

Quality-Overall6%

“Garbage”

Size-Overall4%

“it probably would not fit”

Value For Money3%

“Dont buy on price”

Defective Material/Parts2%

“Bad unit”

Weight Heavy2%

“a little on the heavy side”

Mounting2%

“The mounting bracket could be a bit better with more adjustments”

Top return reasons

Charging34%

Size-Overall17%

Functionality-Overall11%

Advertised Vs Actual Product6%

Defective Material/Parts6%

Mounting4%

Weight Heavy3%