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77

black and decker 40v lithium battery

Worth a look

Shows demand growing +121.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 64Growth 95Conversion 81Competition 79Returns 67Price range 95Avg price 95Brand share 80Review moat 83Quality gap 47

Growth

Incredible+121.6%

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

Avg price

Incredible$45.92

avg listing price — sweet spot $15–$100

Price range

Incredible$25.97–$97.58

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

Review moat

Great348.14

avg incumbent reviews — the moat a new listing must climb

Conversion

Great8.4%

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

Brand share

Great55%

top-5 brand share — no brand owns this niche

Competition

Great36%

top-5 click share — an open shelf

Returns

Good2.3%

return rate — above 5% kills the launch gate

Market size

Good$607K

$607K/yr · 157K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, black and decker 40v lithium battery is a $607K/yr Amazon United States market (157K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 77/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

black and decker 40v lithium battery market data

Units sold / yr
13K–15K
avg 250–500/product
Revenue / yr
$574K–$689K
units × avg price
Conversion rate
8.4%
Avg BSR
#1,300
Page quality
0%
Prime
100%
Sponsored
90%
Out of stock
6.6%
Avg brand age
40 months
Avg seller age
146 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

28 rising

Sellers

57

Top-5 brand share

55%

Top 20: 94%

Top-5 click share

36%

Top 20: 80%

Open market

39%

  • OHYES BAT14%
  • Munikind12%
  • BLACK+DECKER12%
  • BULL-TECH10%
  • Powilling7%
  • VANTTECH6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +121.6% search growth over the last 90 days.
6K4KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.9×

Top black and decker 40v lithium battery search terms

  • black and decker 40v lithium battery68K/yr
  • black and decker 40v battery22K/yr
  • 40v black and decker battery17K/yr
  • 40 volt black and decker battery12K/yr
  • black & decker 40v lithium battery7K/yr
  • black and decker 40v6K/yr
  • black and decker 40 volt battery5K/yr
  • black and decker 40 volt lithium battery4K/yr
  • black decker 40v lithium battery4K/yr
  • black and decker 36v battery4K/yr
All search terms

Top black and decker 40v lithium 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.

0%3%$18K6%$36K9%$55K12%$73K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about black and decker 40v lithium battery

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

What buyers love

Battery Life34%

“Good battery”

Charging13%

“Holds a charge”

Value For Money12%

“Good investment”

Advertised Vs Actual Product9%

“As advertised”

Quality-Overall7%

“Good quality”

Size-Overall6%

“Fit perfectly”

Durability3%

“And it's lasting”

Cutting/Trimming2%

“found the lowest setting trims the grass perfectly”

Ease Of Use2%

“Easy to operate”

Strength1%

“doesnt feel any weaker than the OEM battery”

What buyers complain about

Charging31%

“Battery didnt charge”

Durability14%

“it didn't last”

Battery Life12%

“Very short battery life”

Quality-Overall8%

“Low Quality”

Value For Money4%

“These are much more expensive”

Battery Inclusion3%

“This battery is NOT COMPATIBLE with DeWalt 36V tools”

Functionality-Overall3%

“The automatic line advance really does not work”

Size-Overall2%

“doesn't fit”

Compatibility-Overall2%

“Not compatible”

Advertised Vs Actual Product1%

“Misleading 2pk”

Top return reasons

Battery Inclusion28%
Charging25%
Size-Overall15%
Battery Life7%
Compatibility-Overall5%
Functionality-Overall5%
Defective Material/Parts3%
Advertised Vs Actual Product3%
Product Condition2%
Value For Money2%

Common questions

Is black and decker 40v lithium battery profitable to sell on Amazon United States?
The niche generates $607K/yr across 42 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is +121.6%. Flapen's verdict: Worth a look (77/100).
How competitive is the black and decker 40v lithium battery niche?
28 brands and 57 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in black and decker 40v lithium battery?
Top complaints mined from reviews: Charging, Durability, Battery Life. The return rate is 2.3%.
When does demand for black and decker 40v lithium battery peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.9× the quietest.
What does it cost to enter the black and decker 40v lithium battery niche?
Listings span $25.97–$97.58; the average listing price is $45.92 (sweet spot $15–$100). The average incumbent carries 348 reviews — the moat a new listing must climb.