394 watch battery
Skip itPrices mostly outside the sweet spot ($2.49–$9.16) — this niche doesn't clear our bar today.
Conversion
Incredible29.6%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Review moat
Good865avg incumbent reviews — the moat a new listing must climb
Growth
Okay+6.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad£75K£75K/yr · 57K searches
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Avg price
Bad£4.45avg listing price — sweet spot $15–$100
Price range
Bad£2.49–£9.16cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, 394 watch battery is a £75K/yr Amazon United Kingdom market (57K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 38/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
394 watch battery market data
- Units sold / yr
- 13K–15K
- avg 1,000–1,250/product
- Revenue / yr
- £56K–£67K
- units × avg price
- Conversion rate
- 29.6%
- Avg BSR
- #301
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 27%
- Out of stock
- 0.6%
- Avg brand age
- 61 months
- Avg seller age
- 194 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
27
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
3%
- Renata37%
- Best Price Square28%
- Generic21%
- PoundMax5%
- Quzo3%
- Energizer3%
- Open — no brand owns it (1 brand, 3%)
Demand
Weekly Amazon search volume, last 46 weeks — +6.0% search growth over the last 90 days.Top 394 watch battery search terms
- 394 watch battery19K/yr
- renata 394 watch battery16K/yr
- sr936sw watch battery8K/yr
- renata 3945K/yr
- 394 renata watch battery5K/yr
- 394 battery4K/yr
Top 394 watch 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery
Renata£3.094.6★1,918 rev
SR936SW Watch Batteries 394 - 2 x Renata 394 Swiss Made Equivalent to SR936SW Replacement Cell Button Watch Battery Replacement Kit for Watches with Swift Gift UK Fitting Guide
Generic£4.614.5★131 rev
Renata Silver Oxide Swiss Made Watch Battery - 394 (SR936SW)
Best Price Square£3.074.6★1,081 rev
Renata Mercury Free 394 SR936SW Watch Cell Battery Swiss Made 1.55V - Pack of 10
Best Price Square£9.164.5★169 rev
10 X AG9 394 LR45 LR936 SR936W SR936 1.5v PoundMax ALKALINE BUTTON CELL BATTERY
PoundMax£2.494.6★589 rev
Newest
by launch date
60 PCS SR936SW 394 AG9 LR936 SR936W LR45 1.5V Button Cell Watch Batteries
AIMIDEER£7.3211 rev
SR936SW Watch Batteries 394 - 2 x Renata 394 Swiss Made Equivalent to SR936SW Replacement Cell Button Watch Battery Replacement Kit for Watches with Swift Gift UK Fitting Guide
Generic£4.61131 rev
Renata Silver Oxide Swiss Made Watch Battery - 394 (SR936SW)
Best Price Square£3.071,081 rev
10 X AG9 394 LR45 LR936 SR936W SR936 1.5v PoundMax ALKALINE BUTTON CELL BATTERY
PoundMax£2.49589 rev
2 x Renata Wrist Watch battery - Swiss Made - Batteries Cells Silver Oxide 0% Mercury Free Button Cell 1.55v Renata Long Life Batteries (394 (SR936SW))
Best Price Square£3.333,118 rev
Trending
90-day click momentum60 PCS SR936SW 394 AG9 LR936 SR936W LR45 1.5V Button Cell Watch Batteries
AIMIDEER£7.324.7★
SR936SW Watch Batteries 394 - 2 x Renata 394 Swiss Made Equivalent to SR936SW Replacement Cell Button Watch Battery Replacement Kit for Watches with Swift Gift UK Fitting Guide
Generic£4.614.5★
Renata Silver Oxide Swiss Made Watch Battery - 394 (SR936SW)
Best Price Square£3.074.6★
10 X AG9 394 LR45 LR936 SR936W SR936 1.5v PoundMax ALKALINE BUTTON CELL BATTERY
PoundMax£2.494.6★
2 x Renata Wrist Watch battery - Swiss Made - Batteries Cells Silver Oxide 0% Mercury Free Button Cell 1.55v Renata Long Life Batteries (394 (SR936SW))
Best Price Square£3.334.7★
What buyers say about 394 watch battery
What buyers praise and complain about, mined from review topics.What buyers love
“Batteries exactly as described”
“Cheap price”
“nice quality and fair price”
“Exactly as advertised”
“reliability compared to cheaper alternatives”
“easy to fit”
“Great for watches”
“Installed and working well”
“Easy work”
“The mercury-free design is a nice bonus”
What buyers complain about
“Do not last as long as others, why”
“However, be aware the batteries expire in 2 years, which I don't think is fair because it's not specified in the listing”
“Doesnt work”
“Won't be fully waterproof after opening back of watch up”
Top return reasons
Common questions
- Is 394 watch battery profitable to sell on Amazon United Kingdom?
- The niche generates £75K/yr across 11 tracked products. 90-day search growth is +6.0%. Flapen's verdict: Skip it (38/100).
- How competitive is the 394 watch battery niche?
- 7 brands and 27 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in 394 watch battery?
- Top complaints mined from reviews: Durability, Battery Life, Functionality-Overall. The return rate is 0.1%.
- What does it cost to enter the 394 watch battery niche?
- Listings span £2.49–£9.16; the average listing price is £4.45 (sweet spot $15–$100). The average incumbent carries 865 reviews — the moat a new listing must climb.