---
title: "Black and Decker 40v Lithium Battery — $607K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/black-and-decker-40v-lithium-battery"
last_updated: "2026-08-08T04:42:20.034Z"
locale: en
meta:
description: "Niche score 77/100 · $607K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 77/100 · $607K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Black and Decker 40v Lithium Battery — $607K/yr Amazon US Niche (2026) - Flapen"
---
# **black and decker 40v lithium battery**
**Worth a look**
Shows demand growing +121.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 64Growth 95Conversion 81Competition 79Returns 67Price range 95Avg price 95Brand share 80Review moat 83Quality gap 47
**Growth**
**Incredible****+121.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$45.92**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$25.97–$97.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****348.14**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$607K**
$607K/yr · 157K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, black and decker 40v lithium battery is a $607K/yr Amazon United States market (157K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 77/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black and decker 40v lithium battery market data**
- **Units sold / yr**
- **13K–15K**
- avg 250–500/product
- **Revenue / yr**
- **$574K–$689K**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#1,300**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **6.6%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**28 **▲rising
**Sellers**
**57**
**Top-5 brand share**
**55%**
Top 20: 94%
**Top-5 click share**
**36%**
Top 20: 80%
**Open market**
**39%**
- OHYES BAT14% - Munikind12% - BLACK+DECKER12% - BULL-TECH10% - Powilling7% - VANTTECH6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +121.6% search growth over the last 90 days.
6K4KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.9×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/black-and-decker-40v-lithium-battery/trend)
## **Top black and decker 40v lithium battery search terms**
- **black and decker 40v lithium battery**68K/yr+126.4%5.9% conv. - **black and decker 40v battery**22K/yr+118.0%5.7% conv. - **40v black and decker battery**17K/yr+142.8%5.9% conv. - **40 volt black and decker battery**12K/yr+155.6%5.9% conv. - **black & decker 40v lithium battery**7K/yr+151.3%6.3% conv. - **black and decker 40v**6K/yr+75.4%2.5% conv. - **black and decker 40 volt battery**5K/yr+131.0%5.3% conv. - **black and decker 40 volt lithium battery**4K/yr+57.7%7.1% conv. - **black decker 40v lithium battery**4K/yr+60.6%6.3% conv. - **black and decker 36v battery**4K/yr+76.4%0.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/black-and-decker-40v-lithium-battery/search-terms)
## **Top black and decker 40v lithium 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%3%$18K6%$36K9%$55K12%$73K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BULL-TECH 40 Volt MAX 2.0Ah Lithium Battery Replacement for Black and Decker 40V Battery Compatible with All Power 40V Black and Decker Power+ Tools**BULL-TECH**$39.62**4.5★745 rev](https://www.amazon.com/dp/B0BMWTGQ1R) [2**Powilling 40 Volt 3.5Ah Replacement Battery for Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 Compatible with 36V/40V MAX Black and Decker Power+ Tools**Powilling**$32.89**4.4★2,989 rev](https://www.amazon.com/dp/B073312JPB) [3**OHYES BAT 40V Charger Replacement for Black Decker LCS36 LCS40 Charger**OHYES BAT**$52.14**4.4★155 rev](https://www.amazon.com/dp/B0BCW5Z22R) [4**Munikind 40 Volt 3.6Ah Replacement for Black and Decker 40V Battery Lithium**Munikind**$29.58**4.6★39 rev](https://www.amazon.com/dp/B0G6S8ZT53) [5**VANTTECH 4.0Ah 40V Max LBXR36 Battery Replacement for Black and Decker 40V Lithium Battery Compatible with LBXR36 LBX1540 LBX2040 LBX2540 LBXR2036 LCS1240 for Black+Decker 40 Volt Tools (2 Pack)**VANTTECH**$52.22**3.5★33 rev](https://www.amazon.com/dp/B0GK1HM2T3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2-Pack 3600mAh LBX2040 Lithium ion Replacement Battery Compatible with Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W 40V Cordless Power Tools Battery (Orange)**OHYES BAT**$52.74**351 rev2mo ago](https://www.amazon.com/dp/B0H32ZCQYZ) [**Maxofpowr 40V 4.0Ah Replacement for Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LCS1240 LBX1540 LST136W Compatible with Black and Decker All 40V Power Tools and Charger**Maxofpowr**$25.97**9 rev4mo ago](https://www.amazon.com/dp/B0GV3XFHMX) [**Securelyte 40v 4.0Ah LBX2040 Replacement for Black and Decker 40v Lithium Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 Compatible with Black and Decker 40V MAX Cordless Power Tools**Securelyte**$29.16**4 rev4mo ago](https://www.amazon.com/dp/B0GT4SR2JM) [**3.6Ah 40 Volt MAX Battery Replacement for Black and Decker 40V Battery**Forrat**$53.23**456 rev5mo ago](https://www.amazon.com/dp/B0GLYW81PW) [**VANTTECH 4.0Ah 40V Max LBXR36 Battery Replacement for Black and Decker 40V Lithium Battery Compatible with LBXR36 LBX1540 LBX2040 LBX2540 LBXR2036 LCS1240 for Black+Decker 40 Volt Tools (2 Pack)**VANTTECH**$52.22**33 rev6mo ago](https://www.amazon.com/dp/B0GK1HM2T3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Maxofpowr 40V 4.0Ah Replacement for Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LCS1240 LBX1540 LST136W Compatible with Black and Decker All 40V Power Tools and Charger**Maxofpowr**$25.97**5.0★**▲ 102%**](https://www.amazon.com/dp/B0GV3XFHMX) [**2-Pack 3600mAh LBX2040 Lithium ion Replacement Battery Compatible with Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W 40V Cordless Power Tools Battery (Orange)**OHYES BAT**$52.74**4.5★**▲ 101%**](https://www.amazon.com/dp/B0H32ZCQYZ) [**3.6Ah 40 Volt MAX Battery Replacement for Black and Decker 40V Battery**Forrat**$53.23**4.5★**▲ 101%**](https://www.amazon.com/dp/B0GLYW81PW) [**40 Volt MAX 3600mAh Lithium ion Replacement Battery Compatible with Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W 40V Cordless Power Tools Battery (Orange)**OHYES BAT**$30.61**4.5★**▲ 100%**](https://www.amazon.com/dp/B0BVZ5MSLH) [**Securelyte 40v 4.0Ah LBX2040 Replacement for Black and Decker 40v Lithium Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 Compatible with Black and Decker 40V MAX Cordless Power Tools**Securelyte**$29.16**5.0★**▲ 100%**](https://www.amazon.com/dp/B0GT4SR2JM)
**~~View all trending →~~**
## **What buyers say about black and decker 40v lithium battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Battery Life**34%
*“Good battery”*
**Charging**13%
*“Holds a charge”*
**Value For Money**12%
*“Good investment”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Quality-Overall**7%
*“Good quality”*
**Size-Overall**6%
*“Fit perfectly”*
**Durability**3%
*“And it's lasting”*
**Cutting/Trimming**2%
*“found the lowest setting trims the grass perfectly”*
**Ease Of Use**2%
*“Easy to operate”*
**Strength**1%
*“doesnt feel any weaker than the OEM battery”*
### **What buyers complain about **
**Charging**31%
*“Battery didnt charge”*
**Durability**14%
*“it didn't last”*
**Battery Life**12%
*“Very short battery life”*
**Quality-Overall**8%
*“Low Quality”*
**Value For Money**4%
*“These are much more expensive”*
**Battery Inclusion**3%
*“This battery is NOT COMPATIBLE with DeWalt 36V tools”*
**Functionality-Overall**3%
*“The automatic line advance really does not work”*
**Size-Overall**2%
*“doesn't fit”*
**Compatibility-Overall**2%
*“Not compatible”*
**Advertised Vs Actual Product**1%
*“Misleading 2pk”*
### **Top return reasons **
**Battery Inclusion**28%
**Charging**25%
**Size-Overall**15%
**Battery Life**7%
**Compatibility-Overall**5%
**Functionality-Overall**5%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Product Condition**2%
**Value For Money**2%
## **Common questions**
- **Is black and decker 40v lithium battery profitable to sell on Amazon United States?**
- The niche generates $607K/yr across 42 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is +121.6%. Flapen's verdict: Worth a look (77/100).
- **How competitive is the black and decker 40v lithium battery niche?**
- 28 brands and 57 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in black and decker 40v lithium battery?**
- Top complaints mined from reviews: Charging, Durability, Battery Life. The return rate is 2.3%.
- **When does demand for black and decker 40v lithium battery peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.9× the quietest.
- **What does it cost to enter the black and decker 40v lithium battery niche?**
- Listings span $25.97–$97.58; the average listing price is $45.92 (sweet spot $15–$100). The average incumbent carries 348 reviews — the moat a new listing must climb.
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