400 Watt Solar Panel
MaybeThe average product has only 157 reviews. But prices span $184.69–$2336.07, mostly outside the sweet spot, so 400 Watt Solar Panel is a Maybe.
- Flapen Score
- 54 / 100Ranks 4,843 of 8,839 Patio, Lawn & Garden niches · −2 vs the category median of 5654
- Market size
- $1.2M/yr882K searches / yr
- 90-day growth
- +24.9%search demand this quarter
- Competition
- 33%top-5 click share · 26 brands · 34 sellers
Flapen Score
400 Watt Solar Panel against its category
The dotted line is the Patio, Lawn & Garden average. Past it, 400 Watt Solar Panel is stronger. Inside it, weaker.
Market
The 400 Watt Solar Panel market on Amazon at a glance
Shoppers on Amazon United States searched for 400 Watt Solar Panel 882K times last year and spent an estimated $1.2M. The top 5 brands take 63% of clicks. Demand peaks in Jul. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 0.3% of those searches ended in a purchase.
Shoppers searched for this 882K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved +24.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.2M a year.
- Searches, last 12 months
- 882K
- Growth, 90 days vs prior 90
- +24.9%
- Conversion, latest week
- 0.3%
- Market size, estimated
- $1.2Ma year
- Peak month
- July1.8× the quietest month
- Top search term
- 400 watt solar panel234K searches a year
02 · Price
A sale here is worth $475.41.
Listings sell for $475.41 on average, from $184.69 to $2336.07. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 0 to 100 of them. At $475.41 that is $0 to $48K a year per listing.
- Average price
- $475.41above the $15 to $100 sweet spot
- Price range
- $184.69–$2336.07
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$48K
- Returns
- 4.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 11.1% of listings are out of stock. The average listing ranks #302 within Generators & Portable Power. It carries 157 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 90%
- Out of stock, average day
- 11.1%
- Average rank
- #302in Generators & Portable Power
- Average rating
- 4.40 starsAmazon United States average 4.42 stars
- Average reviews
- 157per listing
- Listings tracked
- 52
04 · Newcomers
14 of last year's 15 launches cleared the first-year sales bar.
15 products launched here in the last 12 months. 14 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 15
- Successful launches
- 14Amazon's first-year sales bar
- Average brand age
- 33 months
Products
Top 400 Watt Solar Panel products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
DOKIO Monocrystalline Solar Panel Size 400W 31V for 12/24V Devices Aluminum Frame 3m Cable Pre-Drilled Holes for Yard Garden Shed Off-Grid Power
- Price
- $227.51
- Rating
- 4.2/5
- Reviews
- 474
- Age
- 2y ago

Callsun N-Type 16BB 400W Bifacial Solar Panel 2Pcs 200 Watt Solar Panel for 12V/24V Systems 25% High Efficiency Dual-Module Parallel Anti-Shade Design for RV Van Marine Home Rooftop Off-Grid
- Price
- $299.71
- Rating
- 4.7/5
- Reviews
- 204
- Age
- 1y ago

JJN Bifacial 425 Watt Solar Panel N-Type UL 61730 16BB Solar Panels 25% High Efficiency Monocrystalline Solar Module for 12V/24V/48V PV System for Homes Rooftop Farm RV and Off-Grid Applications
- Price
- $254.23
- Rating
- 4.6/5
- Reviews
- 473
- Age
- 2y ago

ZOUPW 450W Portable Solar Panel 38V N-Type 16BB 25% High Efficiency Foldable Solar Charger for EcoFlow Delta/Anker C1000/Jackery/Bluetti Elite 100 IP68 Waterproof for Offgrid RV Power Backup
- Price
- $459.12
- Rating
- 4.6/5
- Reviews
- 311
- Age
- 1y ago

DOKIO 400W 31V Mono Solar Panel - Works for 12V/24V Systems Equipped with 9.84ft MC4 Wiring Perfect for Gardens Courtyards Greenhouses Sheds Terraces & Off-Grid Battery Charging
- Price
- $239.02
- Rating
- 4.1/5
- Reviews
- 437
- Age
- 1y ago
Trending
estimated 90-day click momentum
JJN UL61730 425W N-Type Bifacial Solar Panel 16BB Monocrystalline Up to 25% Efficiency for 12V/24V/48V On-Grid & Off-Grid Systems Rooftop Home Farm Energy Storage Charging Station
- Price
- $261.97
- Rating
- 4.6/5
- Reviews
- 14
- Age
- 4mo ago

1000 Watt Flexible Solar Panel 2pcs 500W Solar Panel for RV Camping Boat Off Grid Home Lightweight Monocrystalline Photovoltaic Panels with Controller
- Price
- $265.93
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 4mo ago

Callsun 450W Bifacial Solar Panel 2-Pack (900W Total) N-Type 16BB Monocrystalline Double-Glass Anti-Shade Dual-Module Design 25% Conversion Efficiency for Home Rooftops RVs Off-Grid Systems
- Price
- $721.36
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 4mo ago

AeternaSol 400 watt Solar Panel 2pcs 200W Bifacial Solar Panel 18V 18BB N-Type Monocrystalline Solar Module IP68 25% High-Efficiency Solar Panels for Off Grid RV Boat Trailer Camper (Bifacial 200W*2)
- Price
- $214.62
- Rating
- 3.7/5
- Reviews
- 13
- Age
- 7y ago

Renogy ShadowFlux Solar Panels N-Type Anti-Shading Panels for 12V/24V Systems with 25% High-Efficiency PV Modules 200W ShadowFlux N-Type Panel
- Price
- $206.89
- Rating
- 4.3/5
- Reviews
- 277
- Age
- 1y ago
Newest
by launch date
Callsun 450W Bifacial Solar Panel 2-Pack (900W Total) N-Type 16BB Monocrystalline Double-Glass Anti-Shade Dual-Module Design 25% Conversion Efficiency for Home Rooftops RVs Off-Grid Systems
- Price
- $721.36
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 4mo ago

JJN UL61730 425W N-Type Bifacial Solar Panel 16BB Monocrystalline Up to 25% Efficiency for 12V/24V/48V On-Grid & Off-Grid Systems Rooftop Home Farm Energy Storage Charging Station
- Price
- $261.97
- Rating
- 4.6/5
- Reviews
- 14
- Age
- 4mo ago

1000 Watt Flexible Solar Panel 2pcs 500W Solar Panel for RV Camping Boat Off Grid Home Lightweight Monocrystalline Photovoltaic Panels with Controller
- Price
- $265.93
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 4mo ago

400W Portable Solar Panel for Power Station 24% High Efficiency Lightweight ETFE Foldable Solar Panel Charger MC4 Output IP65 Waterproof for Outdoor Camping RV Emergency Power Supply
- Price
- $359.42
- Rating
- 4.2/5
- Reviews
- 36
- Age
- 1y ago

EPOCH 430W Bifacial Solar Panels N-Type Class A 12/24 Volt Monocrystalline Solar Panel High-Efficiency Waterproof Solar Module for RV Camping Boat Marine Off-Grid
- Price
- $253.18
- Rating
- 4.5/5
- Reviews
- 63
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 33% of clicks, no more. An open shelf where new products get seen.
Brands
26 rising
Sellers
34
Est. top-5 brand share
63%
Top 20: 96%
Est. top-5 click share
33%
Top 20: 71%
Open market
32%
- DOKIO20%
- Renogy12%
- JJN12%
- Callsun11%
- ZOUPW8%
- Epoch5%
Demand
400 Watt Solar Panel search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.8×
Search terms
Top 400 Watt Solar Panel search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 400 watt solar panel234K/yr
- 400w solar panel99K/yr
- 500 watt solar panel71K/yr
- panel solar 500w41K/yr
- paneles solares de 500 watts36K/yr
- solar panels 400 watts61K/yr
- 500w solar panel39K/yr
- zoupw solar panel21K/yr
- 600 watt solar panel32K/yr
- callsun solar panel27K/yr
Reviews and returns
What reviews say buyers love and hate about 400 Watt Solar Panel
We read the reviews and the return reasons for every product selling here.
“Stopped working”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 400 Watt Solar Panel questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









