Is ecoflow delta 2 extra battery profitable to sell on Amazon United States?

The niche generates $139K/yr across 11 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +85.5%. Flapen's verdict: Skip it (37/100).

How competitive is the ecoflow delta 2 extra battery niche?

2 brands and 4 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in ecoflow delta 2 extra battery?

Top complaints mined from reviews: Charging, Functionality-Overall, Battery Life. The return rate is 0.1%.

When does demand for ecoflow delta 2 extra battery peak?

Demand peaks in Jun–Jul–Oct; the busiest month runs 3.9× the quietest.

What does it cost to enter the ecoflow delta 2 extra battery niche?

Listings span $32.86–$1505.42; the average listing price is $718.01 (sweet spot $15–$100). The average incumbent carries 815 reviews — the moat a new listing must climb.

ecoflow delta 2 extra battery

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Growth

Great+85.5%

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

Review moat

Good814.82

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$139K

$139K/yr · 60K searches

Competition

Bad83%

top-5 click share — a locked-up shelf

Price range

Bad$32.86–$1505.42

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

Conversion

Bad0.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad$718.01

avg listing price — sweet spot $15–$100

Signals High Price

According to Flapen's Amazon United States niche tracking, ecoflow delta 2 extra battery is a $139K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Oct. Verdict: Skip it — 37/100.

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

ecoflow delta 2 extra battery market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: $180K–$359K; units × avg price
Conversion rate: 0.3%
Avg BSR: #78
Page quality: 0%
Prime: 55%
Sponsored: 100%
Out of stock: 6.4%
Avg brand age: 13 months
Avg seller age: 201 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

EF ECOFLOW98%
ChuNiQ2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +85.5% search growth over the last 90 days.

Peak months: Jun, Jul, Oct · busiest ÷ quietest = 3.9×

Open Trend

Top ecoflow delta 2 extra battery search terms

ecoflow delta 2 max extra battery30K/yr +91.5%0.6% conv.
delta 2 max extra battery23K/yr +81.0%0.5% conv.
ecoflow delta 2 max smart extra battery3K/yr +116.4%0.7% conv.
ecoflow delta max extra battery2K/yr +58.7%0.1% conv.
delta max extra battery2K/yr +6.9%1.4% conv.

All search terms

Top ecoflow delta 2 extra battery 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

EF ECOFLOW DELTA 2 Smart Extra Battery 1024Wh LiFePO4 Expansion Battery for Power Station DELTA2

EF ECOFLOW$362.704.5★692 rev

EF ECOFLOW DELTA 2 Max Power Station Extra Battery 2048Wh LiFePO4 (LFP) Battery Compatible with DELTA 2&DELTA Max 2000&DELTA 2 Max Outdoor Generators

EF ECOFLOW$725.994.6★353 rev

EF ECOFLOW Portable Power Station DELTA 2 Max 2400W LFP Solar Generator Full Charge in 1 Hr 2048Wh Solar Powered Generator for Home Backup(Solar Panel Optional)

EF ECOFLOW$927.884.6★1,311 rev

EF ECOFLOW DELTA 2 MAX Power Station with Smart Extra Battery Expand Capacity from 2048Wh to 4096Wh Solar Generator for Home Backup Emergency Outdoor Camping

EF ECOFLOW$1505.424.5★65 rev

EF ECOFLOW Portable Power Station DELTA 2 1024Wh LiFePO4 (LFP) Battery 1800W AC/100W USB-C Output Solar Generator(Solar Panel Optional) for Home Backup Power Camping & RVs

EF ECOFLOW$407.314.7★5,164 rev

Newest

by launch date

ChuNiQ Delta Extra Battery Cable for EcoFlow Delta 2 Delta 2 Max Delta 3

ChuNiQ$32.8640 rev

4mo ago

EF ECOFLOW Portable Power Station DELTA 3 MAX Plus Extra Battery 2048Wh LiFePO4 Expansion Battery for Power Station DELTA 3 Max Plus and DELTA 3 Ultra Plus

EF ECOFLOW$805.2020 rev

10mo ago

EF ECOFLOW Portable Power Station DELTA 3 Max 2048Wh LiFePO4 Battery Solar Generator (Solar Panel Optional) 3400W X-Boost Output Ultra-Fast 0-80% Charging in 1.13 Hr Home Backup & RV Camping

EF ECOFLOW$773.51470 rev

10mo ago

EF ECOFLOW Delta 3 Series Smart Extra Battery 1024Wh LiFePO4 Expansion Battery for Power Station Delta 2/Delta 3/Delta 3 Plus/Delta 3 1500

EF ECOFLOW$401.04249 rev

1y ago

EF ECOFLOW DELTA 2 Max Power Station Extra Battery 2048Wh LiFePO4 (LFP) Battery Compatible with DELTA 2&DELTA Max 2000&DELTA 2 Max Outdoor Generators

EF ECOFLOW$725.99353 rev

2y ago

What buyers say about ecoflow delta 2 extra battery

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

What buyers love

Quality-Overall22%

“the build quality feels very solid”

Battery Life12%

“The battery is good”

Value For Money10%

“Good price”

Charging10%

“the charging speed is impressive”

Ease Of Use6%

“Easy to Use”

Strength4%

“holds power well”

Portability4%

“Portable”

Advertised Vs Actual Product3%

“works as advertised”

Connectivity-Overall2%

“It connected nice”

Functionality-Overall2%

“It works great for that purpose”

What buyers complain about

Charging14%

“the unit stops charging”

Functionality-Overall11%

“Doesnt work”

Battery Life10%

“drain the battery”

Durability10%

“Short Item life”

Value For Money7%

“which is disappointing considering the cost of the product”

Quality-Overall5%

“Cheap parts, don't last”

Connectivity-Overall4%

“The connection cable isn't ideal”

Weight Heavy3%

“this thing is very bulky and heavy”

Advertised Vs Actual Product2%

“Mislead”

Flammable2%

“it literally exploded like grenade”

Top return reasons

Functionality-Overall24%

Connectivity-Overall18%

Advertised Vs Actual Product18%

Size-Overall16%

Defective Material/Parts8%

Value For Money5%

Maintenance And Repair5%

Charging5%

Common questions

Is ecoflow delta 2 extra battery profitable to sell on Amazon United States?: The niche generates $139K/yr across 11 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +85.5%. Flapen's verdict: Skip it (37/100).
How competitive is the ecoflow delta 2 extra battery niche?: 2 brands and 4 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in ecoflow delta 2 extra battery?: Top complaints mined from reviews: Charging, Functionality-Overall, Battery Life. The return rate is 0.1%.
When does demand for ecoflow delta 2 extra battery peak?: Demand peaks in Jun–Jul–Oct; the busiest month runs 3.9× the quietest.
What does it cost to enter the ecoflow delta 2 extra battery niche?: Listings span $32.86–$1505.42; the average listing price is $718.01 (sweet spot $15–$100). The average incumbent carries 815 reviews — the moat a new listing must climb.