hart 40v battery
Skip itWeak search conversion (0.4%) — this niche doesn't clear our bar today.
Growth
Great+103.0%90-day search growth — must beat 0% to launch
Review moat
Great175.68avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Great$79.40avg listing price — sweet spot $15–$100
Returns
Okay3.1%return rate — above 5% kills the launch gate
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Price range
Okay$15.96–$263.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad93%top-5 brand share — brand-locked demand
Market size
Bad$52K$52K/yr · 145K searches
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, hart 40v battery is a $52K/yr Amazon United States market (145K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 48/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
hart 40v battery market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $60K–$79K
- units × avg price
- Conversion rate
- 0.4%
- Avg BSR
- #1,231
- Page quality
- 0%
- Prime
- 47%
- Sponsored
- 37%
- Out of stock
- 15.0%
- Avg brand age
- 33 months
- Avg seller age
- 142 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
53
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
5%
- Hart46%
- Wild Badger Power26%
- Generic13%
- Cartat2s5%
- Biswaye2%
- RB2%
- Open — no brand owns it (4 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +103.0% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 9.9×
Top hart 40v battery search terms
- hart 40v battery83K/yr
- hart 40v battery replacement24K/yr
- hart 40 volt battery9K/yr
- hart battery 40v8K/yr
- hart 40v5K/yr
- hart 40v battery 6ah4K/yr
- 40v hart battery5K/yr
- hart lawn mower battery4K/yr
- hart 6ah 40v battery3K/yr
Top hart 40v 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hart 40 Volt 4.0 Ah Lithium Ion Battery
Hart$132.594.3★163 rev
Wild Badger Power WB40V2.0AHB 40 Volt 2.0Ah Lithium-Ion Battery Blue Reliable Power for 40V Tools Compatible with Trimmers Blowers Mowers & More
Wild Badger Power$80.963.4★93 rev
Wild Badger Power WB40V4.0AHB 40 Volt 4.0Ah Lithium-Ion Battery Blue High-Capacity Power for 40V Tools Compatible with String Trimmers Leaf Blowers Lawn Mowers & More
Wild Badger Power$92.734.4★108 rev
Hart 40V Battery and Charger Kit 4.0 Ah Lithium-Ion Battery Set
Hart$263.542.8★25 rev
HART 20-Volt 4.0Ah Lithium-Ion Battery with On-Board Fuel Gauge (BPH003)
Generic$99.224.9★37 rev
Newest
by launch date
Fancy Buying 40V 4.0Ah Battery Replacement for Wild Badger Power WB40V Battery Compatible with String Trimmers Leaf Blowers Lawn Mowers & More
Fancy Buying$85.320 rev
HART 20-Volt Lithium-Ion Battery 1.5Ah
Generic$60.5618 rev
HART 40V 300 Watt Battery Powered Power Source with LED Light and Carry Handle (Battery Not Included)
Cartat2s$81.541 rev
HART 20-Volt 4.0Ah Lithium-Ion Battery with On-Board Fuel Gauge (BPH003)
Generic$99.2237 rev
RB EB20 40V 2Ah Lithium-Ion Battery for Redback Swift Tools Only
RB$58.8723 rev
Trending
90-day click momentumHart 40V Battery and Charger Kit 4.0 Ah Lithium-Ion Battery Set
Hart$263.542.8★
Fancy Buying 40V 4.0Ah Battery Replacement for Wild Badger Power WB40V Battery Compatible with String Trimmers Leaf Blowers Lawn Mowers & More
Fancy Buying$85.320.0★
RB EB20 40V 2Ah Lithium-Ion Battery for Redback Swift Tools Only
RB$58.874.2★
HART 40v Compatible Battery Wall Mounts 5 Pack (H123)
Generic$15.963.5★
Biswaye 40V 6Ah Lithium Battery Replacement for Ryobi 40V Battery OP4040 OP40601 OP4026 OP40261 OP40401 OP40501 OP4015 OP40602 OP40404 OP40603 Compatible with Ryobi 40 Volt Cordless Power Tools
Biswaye$40.154.2★
What buyers say about hart 40v battery
What buyers praise and complain about, mined from review topics.What buyers love
“Good battery life”
“Works as advertised”
“Worth it”
“Holds charge for a long time”
“which has lasted for years”
“So far no complaints”
“Batteries”
“Easy to use”
“good description good fit”
“Worked great”
What buyers complain about
“It will not charge”
“Battery drains way too quickly”
“Last for a few minutess”
“Not worth the money”
“Garbage”
“Didnt work”
“Doesnt fit”
“it just caused a poor connection so be careful if you buy”
“blower aare good the bttery doesn't last more than 5 times then is random on”
“Spare battery”
Top return reasons
Common questions
- Is hart 40v battery profitable to sell on Amazon United States?
- The niche generates $52K/yr across 19 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +103.0%. Flapen's verdict: Skip it (48/100).
- How competitive is the hart 40v battery niche?
- 10 brands and 53 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in hart 40v battery?
- Top complaints mined from reviews: Charging, Battery Life, Durability. The return rate is 3.1%.
- When does demand for hart 40v battery peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 9.9× the quietest.
- What does it cost to enter the hart 40v battery niche?
- Listings span $15.96–$263.54; the average listing price is $79.40 (sweet spot $15–$100). The average incumbent carries 176 reviews — the moat a new listing must climb.