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9v battery

Skip it

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

Market size 91Growth 20Conversion 100Competition 9Returns 99Price range 0Avg price 16Brand share 0Review moat 0Quality gap 25

Conversion

Incredible28.4%

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Market size

Great£1.8M

£1.8M/yr · 1.1M searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.6%

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

Avg price

Bad£5.83

avg listing price — sweet spot $15–$100

Competition

Bad90%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Review moat

Bad69,763.75

avg incumbent reviews — the moat a new listing must climb

Price range

Bad£2.79–£11.36

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

According to Flapen's Amazon United Kingdom niche tracking, 9v battery is a £1.8M/yr Amazon United Kingdom market (1.1M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

9v battery market data

Units sold / yr
250K–300K
avg 25,000–30,000/product
Revenue / yr
£1.5M–£1.7M
units × avg price
Conversion rate
28.4%
Avg BSR
#52
Page quality
0%
Prime
100%
Sponsored
63%
Out of stock
6.2%
Avg brand age
59 months
Avg seller age
181 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

72

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • Duracell52%
  • Amazon Basics30%
  • Warriors11%
  • Energizer4%
  • PKCELL3%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.6% search growth over the last 90 days.
25K15KSpike '24Prime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top 9v battery search terms

  • 9v battery525K/yr
  • 9v battery duracell75K/yr
  • 9v batteries57K/yr
  • square battery52K/yr
  • pp3 9v battery46K/yr
  • duracell 9v battery37K/yr
  • batteries 9v42K/yr
  • 9 volt battery40K/yr
  • smoke alarm battery46K/yr
  • 9v battery duracell 2 pack11K/yr
All search terms

Top 9v 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%15%£266K30%£533K45%£799K60%£1.1M1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about 9v battery

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

What buyers love

Value For Money31%

“Excellent value”

Battery Life25%

“Long lasting batteries”

Quality-Overall18%

“Good quality”

Advertised Vs Actual Product11%

“as advertised”

Durability5%

“absolutely worth it for the reliability and longevity”

Strength2%

“Full of power”

Size-Overall1%

“Two other brands fit perfectly”

Charging1%

“Holds charge well”

Ease Of Use1%

“Ease of use”

Functionality-Overall0%

“No issues work perfectly on smoke detectors etc”

What buyers complain about

Battery Life34%

“Low battery life”

Durability19%

“Very short life”

Quality-Overall10%

“Poor quality control”

Value For Money9%

“A bit expensive”

Charging3%

“changed it into a detector only for it to show low battery straight away so hasnt kept its charge”

Instructions/User Manual/Troubleshooting2%

“No instructions how to use them”

Functionality-Overall2%

“Power source. Nothing”

Thickness2%

“these are ever so slightly thicker than the standard”

Strength2%

“Not that powerful”

Defective Material/Parts1%

“Appear to be faulty”

Top return reasons

Size-Overall28%
Functionality-Overall15%
Battery Life15%
Compatibility-Overall11%
Value For Money5%
Defective Material/Parts5%
Rusts/Corrodes4%
Advertised Vs Actual Product3%
Connectivity-Overall3%
Charging3%

Common questions

Is 9v battery profitable to sell on Amazon United Kingdom?
The niche generates £1.8M/yr across 8 tracked products. 90-day search growth is -10.6%. Flapen's verdict: Skip it (41/100).
How competitive is the 9v battery niche?
5 brands and 72 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 9v battery?
Top complaints mined from reviews: Battery Life, Durability, Quality-Overall. The return rate is 0.1%.
When does demand for 9v battery peak?
Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the 9v battery niche?
Listings span £2.79–£11.36; the average listing price is £5.83 (sweet spot $15–$100). The average incumbent carries 69,764 reviews — the moat a new listing must climb.