black and decker 18v battery replacement
Worth a lookShows a sweet-spot price point ($40.10 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$40.10avg listing price — sweet spot $15–$100
Price range
Incredible$21.90–$59.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+89.5%90-day search growth — must beat 0% to launch
Brand share
Great59%top-5 brand share — no brand owns this niche
Returns
Great1.9%return rate — above 5% kills the launch gate
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,218avg incumbent reviews — the moat a new listing must climb
Market size
Good$317K$317K/yr · 133K searches
According to Flapen's Amazon United States niche tracking, black and decker 18v battery replacement is a $317K/yr Amazon United States market (133K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 71/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
black and decker 18v battery replacement market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $321K–$401K
- units × avg price
- Conversion rate
- 6.0%
- Avg BSR
- #1,099
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 97%
- Out of stock
- 9.8%
- Avg brand age
- 53 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
23 rising
Sellers
26
Top-5 brand share
59%
Top 20: 97%
Top-5 click share
43%
Top 20: 88%
Open market
35%
- Munikind23%
- OHYES BAT11%
- Forrat10%
- VANTTECH8%
- Biswaye7%
- Qwenoer7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +89.5% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 4.1×
Top black and decker 18v battery replacement search terms
- black and decker 18v battery replacement19K/yr
- 18v black and decker replacement battery15K/yr
- black and decker 18v battery26K/yr
- 18 volt black and decker battery12K/yr
- hpb18 18v battery replacement black and decker9K/yr
- black and decker 18 volt battery8K/yr
- black and decker firestorm battery7K/yr
- black and decker hpb18 battery5K/yr
- black decker 18v battery6K/yr
- black and decker grasshog battery3K/yr
Top black and decker 18v battery replacement 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2Pack 4.5Ah HPB18 Ni-Mh Replacement Battery for Black and Decker 18V Battery HPB18 HPB18-OPE Compatible with Black Decker Battery 18 Volt Tools A1718 FS18FL Firestorm Cordless Power Tool2Pack
Munikind$33.274.4★4,356 rev
VANTTECH 4.8Ah Ni-MH HPB18 Replacement for Black and Decker 18V Battery HPB18-OPE Compatible with Black + Decker Battery 18 Volt FS18FL A1718 Firestorm Cordless Power Tool
VANTTECH$21.904.2★1,470 rev
Biswaye 2-Pack 3.8Ah 18V NI-CD Battery Compatible with Black & Decker HPB18-OPE 18-Volt Slide Pack Battery HPB18 244760-00 A1718 FS18FL FSB18 and 18-Volt Firestorm Cordless Power Tools
Biswaye$34.724.5★3,720 rev
18V 6.0Ah Replacement for Black and Decker 18V Battery 244760-00 HPB18 18v battery replacement black and decker A1718 A18 A18E A18NH HPB18-OPE FS180BX FS18BX FS18FL FSB18 Firestorm 18V Battery
Qwenoer$32.674.7★264 rev
![2-Pack [Upgraded to 3600mAh] Replacement for Black and Decker 18V Battery](https://m.media-amazon.com/images/I/41fAfYrhC+L.jpg)
2-Pack [Upgraded to 3600mAh] Replacement for Black and Decker 18V Battery
OHYES BAT$35.534.4★2,063 rev
Newest
by launch date
2Pack 6500mAh Replacement for Black and Decker 18V Battery Conpatible with Black and Decker 18 Volt Lithium Battery HPB18 HPB18-OPE A1718 A18 A18NH FSB18 FS18FL 244760-00 Cordless Tools
BATTOOL$45.51317 rev
2 Pack 8000mAh hpb18 battery Replacement for black and decker 18v battery HPB18 HPB18-OPE 244760-00 A1718 FS18FL FSB18 FS18HV FS18ID Compatible with Black&Decker 18V Post Style / Rear Mount tools
Securelyte$50.4414 rev
2-Pack [Upgraded to 3600mAh] Replacement for Black and Decker 18V Battery
OHYES BAT$35.532,063 rev
2 Pack 4.5Ah Ni-Mh Replacement for Black and Decker 18V Battery and Charger
OHYES BAT$48.7890 rev
VANTTECH 4.8Ah Ni-MH HPB18 Replacement for Black and Decker 18V Battery HPB18-OPE Compatible with Black + Decker Battery 18 Volt FS18FL A1718 Firestorm Cordless Power Tool
VANTTECH$21.901,470 rev
Trending
90-day click momentum2Pack 6500mAh Replacement for Black and Decker 18V Battery Conpatible with Black and Decker 18 Volt Lithium Battery HPB18 HPB18-OPE A1718 A18 A18NH FSB18 FS18FL 244760-00 Cordless Tools
BATTOOL$45.514.3★
2 Pack 8000mAh hpb18 battery Replacement for black and decker 18v battery HPB18 HPB18-OPE 244760-00 A1718 FS18FL FSB18 FS18HV FS18ID Compatible with Black&Decker 18V Post Style / Rear Mount tools
Securelyte$50.444.3★
2Pack 4500mAh HPB18 Replacement for Black and Decker 18V Battery 4.5Ah
Munikind$52.414.4★
2Pack 4.5Ah HPB18 Replacement for Black and Decker 18V Battery HPB18
Munikind$34.364.4★
VANTTECH 4.8Ah Ni-MH HPB18 Replacement for Black and Decker 18V Battery HPB18-OPE Compatible with Black + Decker Battery 18 Volt FS18FL A1718 Firestorm Cordless Power Tool
VANTTECH$21.904.2★
What buyers say about black and decker 18v battery replacement
What buyers praise and complain about, mined from review topics.What buyers love
“Battery works great”
“Charges in no time”
“Fits good”
“Good quality, last about 5 years”
“Just as advertised”
“For the price point”
“Impressed with how long it is lasting”
“Very strong current feed to the B”
“almost like new again”
“Ease of use”
What buyers complain about
“Takes hours to charge”
“battery are no good at all”
“The first one failed two weeks ago”
“Did not fit”
“Absolute garbage product”
“The tools I purchased used did not have batteries”
“Don't buy it's nor compatible”
“Plus, these are even heavier”
“the batteries were extremely hot which cant be good for longevity”
“What a waste of money”
Top return reasons
Common questions
- Is black and decker 18v battery replacement profitable to sell on Amazon United States?
- The niche generates $317K/yr across 30 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +89.5%. Flapen's verdict: Worth a look (71/100).
- How competitive is the black and decker 18v battery replacement niche?
- 23 brands and 26 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 59% of demand.
- What do buyers complain about in black and decker 18v battery replacement?
- Top complaints mined from reviews: Charging, Battery Life, Durability. The return rate is 1.9%.
- When does demand for black and decker 18v battery replacement peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 4.1× the quietest.
- What does it cost to enter the black and decker 18v battery replacement niche?
- Listings span $21.90–$59.81; the average listing price is $40.10 (sweet spot $15–$100). The average incumbent carries 1,218 reviews — the moat a new listing must climb.