ryobi 18v battery 4ah
Skip itSoft demand (-30.1% this quarter) — this niche doesn't clear our bar today.
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$56.67avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Price range
Good$28.07–$130.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,205.36avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Bad$71K$71K/yr · 11K searches
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad79%top-5 click share — a locked-up shelf
Growth
Bad-30.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, ryobi 18v battery 4ah is a $71K/yr Amazon United States market (11K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
ryobi 18v battery 4ah market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $57K–$71K
- units × avg price
- Conversion rate
- 11.3%
- Avg BSR
- #518
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 93%
- Out of stock
- 9.0%
- Avg brand age
- 23 months
- Avg seller age
- 122 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
187
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
5%
- RYOBI67%
- ELECtrysium17%
- Bonadget4%
- Abeden3%
- Ultraxxis2%
- BECDXPal2%
- Open — no brand owns it (3 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 86 weeks — -30.1% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.2×
Top ryobi 18v battery 4ah 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
RYOBI ONE+ 18V Lithium-Ion 4.0 Ah Rechargeable Battery ABS Plastic Up to 3X Runtime vs 1.5Ah LED Fuel Gauge Black PBP005
RYOBI$52.694.6★5,901 rev
TTI Ryobi PBP004 ONE+ High Performance 18 Volts Lithium-Ion 4.0 Ah Battery
RYOBI$55.554.6★1,413 rev
ELECtrysium New P108 4AH Replacement for Ryobi 18V ONE + Battery P108 P102 P103 P104 P105 P107 P109 P122 Compatible with All Ryobi 18V ONE + Cordless Power Tools
ELECtrysium$38.284.4★220 rev
RYOBI 18-Volt ONE+ Lithium-Ion 4.0 Ah High Capacity Battery (2-Pack)
RYOBI$95.834.7★2,802 rev
Bonadget Advanced 4Ah Battery for Ryobi 18V Battery ONE+ for Ryobi Battery 18V P102 P108 P189 PBP005 PBP006 PBP2005 P190 P197 Cordless Tool NiMH 2PACK
Bonadget$29.074.2★681 rev
Newest
by launch date
Upgrade 8000mAh Replacement for Ryobi 18V Battery High Capacity Li-Ion Batteries P108 P104 P105 P102 P103 P109 P122 Compatible with Ryobi 18V ONE+ System Cordless Power Tools and Charger 2-Pack
BATWAYPRO$43.70177 rev
Ultraxxis 2 Packs High Capacity Replacement for Ryobi 18v Battery P108 P104 P105 P102 P103 P122 P109 Li-ION Compatible with Ryobi 18V ONE+ System Cordless Power Tools and Charger
Ultraxxis$44.44630 rev
ELECtrysium New P108 4AH Replacement for Ryobi 18V ONE + Battery P108 P102 P103 P104 P105 P107 P109 P122 Compatible with All Ryobi 18V ONE + Cordless Power Tools
ELECtrysium$38.28220 rev
ELECtrysium 2Pack 4AH Replacement for Ryobi 18V ONE + Battery P108 P102 P103 P104 P105 P107 P109 P122 Compatible with Ryobi 18V ONE + Cordless Power Tools
ELECtrysium$59.24220 rev
Abeden Replacement for Ryobi 18V Battery Charger
Abeden$47.04157 rev
Trending
90-day click momentumUltraxxis 2 Packs High Capacity Replacement for Ryobi 18v Battery P108 P104 P105 P102 P103 P122 P109 Li-ION Compatible with Ryobi 18V ONE+ System Cordless Power Tools and Charger
Ultraxxis$44.444.4★
2Packs Replacement for Ryobi 18V Lithium Battery Compatible with Ryobi 18 Volt Battery ONE+ Plus P102 P103 P104 P105 P107 P109 P122 PBP005 PBP004 PBP003 PBP002 RB18L50 BPL1820 Cordless Power Tools
POWTREE$43.564.3★
Upgrade 8000mAh Replacement for Ryobi 18V Battery High Capacity Li-Ion Batteries P108 P104 P105 P102 P103 P109 P122 Compatible with Ryobi 18V ONE+ System Cordless Power Tools and Charger 2-Pack
BATWAYPRO$43.704.6★
Ahomtikk 4.0Ah 18V Battery Replacement for Ryobi 18V Battery ONE + Plus Lithium Ion P102 P103 P104 P105 P107 P108 P109 P118 P189 Compatible with Ryobi 18 Volt Tools (2 Pack)
Ahomtikk$28.674.0★
BECDXPal 4.0Ah Replacement for Ryobi 18V Battery 2 Pack Compatible with Ryobi 18Volt P102 P108 P103 P107 P109 ONE+ Cordless Tools
BECDXPal$28.074.2★
What buyers say about ryobi 18v battery 4ah
What buyers praise and complain about, mined from review topics.What buyers love
“Rechargeable battery”
“Worth the money”
“Charges quickly”
“it had good reviews”
“work the same so far”
“They fit securely”
“has a long lasting life”
“Easy to use”
“Perfect fit for my blower”
“It delivers steady power”
What buyers complain about
“Wont hold a charge”
“Battery doesnt last”
“Failed in less than 12 months”
“Trash”
“Not as advertised”
“A little pricey”
“Difficult to get out”
“Look like the battery is recondition”
“Impossible that they have this capacity when they're the same dimensions”
“Fit not the best”
Top return reasons
Common questions
- Is ryobi 18v battery 4ah profitable to sell on Amazon United States?
- The niche generates $71K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -30.1%. Flapen's verdict: Skip it (42/100).
- How competitive is the ryobi 18v battery 4ah niche?
- 9 brands and 187 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in ryobi 18v battery 4ah?
- Top complaints mined from reviews: Charging, Battery Life, Durability. The return rate is 2.1%.
- When does demand for ryobi 18v battery 4ah peak?
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 3.2× the quietest.
- What does it cost to enter the ryobi 18v battery 4ah niche?
- Listings span $28.07–$130.47; the average listing price is $56.67 (sweet spot $15–$100). The average incumbent carries 1,205 reviews — the moat a new listing must climb.