---
title: "1/2 Aa 3.6v Lithium Battery — $112K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/1-2-aa-3-6v-lithium-battery"
last_updated: "2026-08-09T01:49:36.846Z"
locale: en
meta:
  description: "Niche score 46/100 · $112K/yr market · 56K searches/yr · $13.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $112K/yr market · 56K searches/yr · $13.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "1/2 Aa 3.6v Lithium Battery — $112K/yr Amazon US Niche (2026) - Flapen"
---

# **1/2 aa 3.6v lithium battery**

**Skip it**

Soft demand (-16.5% this quarter) — this niche doesn't clear our bar today.

Market size 27Growth 17Conversion 97Competition 18Returns 90Price range 62Avg price 66Brand share 17Review moat 60Quality gap 73

**Conversion**

**Incredible****14.5%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$13.92**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$4.95–$31.60**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****1,089.42**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$112K**

$112K/yr · 56K searches

**Competition**

**Bad****79%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-16.5%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, 1/2 aa 3.6v lithium battery is a $112K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 46/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **1/2 aa 3.6v lithium battery market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$111K–$139K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**14.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#212**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**61 months**</dd>

<dt>**Avg seller age**</dt><dd>**166 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **—flat

**Sellers**

**21**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**79%**

Top 20: 100%

**Open market**

**4%**

- EEMB51% - Tyrone-Battery26% - LithoPulse6% - TRAELY5% - Coonyard5% - Saft2% - Open — no brand owns it (2 brands, 4%)

## **Demand & seasonality**

Weekly Amazon search volume, last 98 weeks — -16.5% search growth over the last 90 days.

1K750Black Friday '24Prime Day '25 seasonDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/us/health-household/1-2-aa-3-6v-lithium-battery/trend)

## **Top 1/2 aa 3.6v lithium battery search terms**

- **1/2 aa battery**13K/yr+0.4%11.5% conv. - **er14250 battery**14K/yr-13.7%17.9% conv. - **er14250**11K/yr-38.7%10.6% conv. - **1/2 aa 3.6v lithium battery**6K/yr-11.7%13.2% conv. - **half aa battery**4K/yr+5.0%5.8% conv. - **1/2aa 3.6v lithium battery**3K/yr-1.9%14.5% conv. - **1/2 aa**2K/yr-7.4%9.9% conv. - **er14250 1/2aa 3.6v lithium battery**3K/yr-48.4%17.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/1-2-aa-3-6v-lithium-battery/search-terms)

## **Top 1/2 aa 3.6v 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%10%$11K20%$22K30%$34K40%$45K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![EEMB 1/2AA Size 3.6 Volt LS 14250 1200 mAh Lithium Battery ER14250 Non-Rechargeable 4 Pack Battery Compatible for Dog Collar Meter Sensor Movement Monitor/Home Security System/Alarm System](https://m.media-amazon.com/images/I/41sP+uj0LXL.jpg)**EEMB 1/2AA Size 3.6 Volt LS 14250 1200 mAh Lithium Battery ER14250 Non-Rechargeable 4 Pack Battery Compatible for Dog Collar Meter Sensor Movement Monitor/Home Security System/Alarm System**EEMB**$9.37**4.1★3,052 rev](https://www.amazon.com/dp/B074FR7QGT) [2![1/2 AA Size LS 14250 ER14250 3.6 Volt 1200 mAh Lithium Batteries 4 Pack Tyrone Batteries Compatible for Dogwatch Dog Collar and Some of Movement Monitor/Home Security System/Alarm System](https://m.media-amazon.com/images/I/41Rm9IQdv0L.jpg)**1/2 AA Size LS 14250 ER14250 3.6 Volt 1200 mAh Lithium Batteries 4 Pack Tyrone Batteries Compatible for Dogwatch Dog Collar and Some of Movement Monitor/Home Security System/Alarm System**Tyrone-Battery**$9.97**4.3★519 rev](https://www.amazon.com/dp/B07K8G2QBM) [3![EEMB ER14250 Battery 1/2AA 3.6V Lithium Battery Li-SOCL Non-Rechargeable XL-050F SB-AA02 LS14250 for Dog Collar Meter Sensor Movement Monitor/Home Security System/Alarm System](https://m.media-amazon.com/images/I/31Cl7Sc9eLL.jpg)**EEMB ER14250 Battery 1/2AA 3.6V Lithium Battery Li-SOCL Non-Rechargeable XL-050F SB-AA02 LS14250 for Dog Collar Meter Sensor Movement Monitor/Home Security System/Alarm System**EEMB**$5.38**4.1★3,052 rev](https://www.amazon.com/dp/B07R9XV4CT) [4![LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery](https://m.media-amazon.com/images/I/41AI454oDuL.jpg)**LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery**LithoPulse**$4.95**4.6★21 rev](https://www.amazon.com/dp/B0FD37WY8C) [5![TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)](https://m.media-amazon.com/images/I/41eT+2ju40L.jpg)**TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)**TRAELY**$9.13**4.3★23 rev](https://www.amazon.com/dp/B0FPX3K1NF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)](https://m.media-amazon.com/images/I/41eT+2ju40L.jpg)**TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)**TRAELY**$9.13**23 rev10mo ago](https://www.amazon.com/dp/B0FPX3K1NF) [![LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery](https://m.media-amazon.com/images/I/41AI454oDuL.jpg)**LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery**LithoPulse**$4.95**21 rev1y ago](https://www.amazon.com/dp/B0FD37WY8C) [![JOZELNK 10 Pack LS14250 3.6V 1/2 AA Lithium Battery for SAFT 1300mAh - Use for Computer Memory/PLC Dog Collar Watch R9 Leash](https://m.media-amazon.com/images/I/41ogiC4Th8L.jpg)**JOZELNK 10 Pack LS14250 3.6V 1/2 AA Lithium Battery for SAFT 1300mAh - Use for Computer Memory/PLC Dog Collar Watch R9 Leash**JOZELNK**$31.60**24 rev1y ago](https://www.amazon.com/dp/B0DWXT6XSR) [![EEMB 20-Pack ER14250 1/2AA 3.6V Lithium Battery - Non-Rechargeable Long-Life for Home Automation Alarms & More](https://m.media-amazon.com/images/I/51dd36MGBLL.jpg)**EEMB 20-Pack ER14250 1/2AA 3.6V Lithium Battery - Non-Rechargeable Long-Life for Home Automation Alarms & More**EEMB**$31.26**3,052 rev1y ago](https://www.amazon.com/dp/B0DCDGK1MZ) [![EEMB 10 Pack ER14250 1/2 AA Non-Rechargeable 3.6V 1200mAh Lithium Thionyl Chloride (Li-SOCl) Battery Replacement for SAFT Water Electricity Gas Meter LS14250 TL-2150 TL-5902](https://m.media-amazon.com/images/I/51iD5vOnb-L.jpg)**EEMB 10 Pack ER14250 1/2 AA Non-Rechargeable 3.6V 1200mAh Lithium Thionyl Chloride (Li-SOCl) Battery Replacement for SAFT Water Electricity Gas Meter LS14250 TL-2150 TL-5902**EEMB**$18.08**1,021 rev2y ago](https://www.amazon.com/dp/B0D9GXFS19)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery](https://m.media-amazon.com/images/I/41AI454oDuL.jpg)**LithoPulse ER14250 1/2AA 3.6V Lithium Battery 1200mAh for Water Electricity Gas Meter PLC Facility Equipment Spare Battery Li-SOCL Non-Rechargeable LS14250 ER14250Battery**LithoPulse**$4.95**4.6★**▲ 130%**](https://www.amazon.com/dp/B0FD37WY8C) [![TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)](https://m.media-amazon.com/images/I/41eT+2ju40L.jpg)**TRAELY ER14250 Battery 1/2AA LS 14250 3.6V 1200mAh Compatible for Dog Collar Movement Monitor/Home Security System/Alarm System(4 Pack)**TRAELY**$9.13**4.3★**▲ 57%**](https://www.amazon.com/dp/B0FPX3K1NF) [![1/2 AA Size LS 14250 ER14250 3.6 Volt 1200 mAh Lithium Batteries 4 Pack Tyrone Batteries Compatible for Dogwatch Dog Collar and Some of Movement Monitor/Home Security System/Alarm System](https://m.media-amazon.com/images/I/41Rm9IQdv0L.jpg)**1/2 AA Size LS 14250 ER14250 3.6 Volt 1200 mAh Lithium Batteries 4 Pack Tyrone Batteries Compatible for Dogwatch Dog Collar and Some of Movement Monitor/Home Security System/Alarm System**Tyrone-Battery**$9.97**4.3★**▲ 32%**](https://www.amazon.com/dp/B07K8G2QBM) [![JOZELNK 10 Pack LS14250 3.6V 1/2 AA Lithium Battery for SAFT 1300mAh - Use for Computer Memory/PLC Dog Collar Watch R9 Leash](https://m.media-amazon.com/images/I/41ogiC4Th8L.jpg)**JOZELNK 10 Pack LS14250 3.6V 1/2 AA Lithium Battery for SAFT 1300mAh - Use for Computer Memory/PLC Dog Collar Watch R9 Leash**JOZELNK**$31.60**4.3★**▲ 15%**](https://www.amazon.com/dp/B0DWXT6XSR) [![EEMB 20-Pack ER14250 1/2AA 3.6V Lithium Battery - Non-Rechargeable Long-Life for Home Automation Alarms & More](https://m.media-amazon.com/images/I/51dd36MGBLL.jpg)**EEMB 20-Pack ER14250 1/2AA 3.6V Lithium Battery - Non-Rechargeable Long-Life for Home Automation Alarms & More**EEMB**$31.26**4.1★**— 4%**](https://www.amazon.com/dp/B0DCDGK1MZ)

**~~View all trending →~~**

## **What buyers say about 1/2 aa 3.6v lithium battery**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Battery Life**40%

*“Reliable battery”*

**Quality-Overall**17%

*“Excellent Quality for a Very Specialize Medical Device”*

**Advertised Vs Actual Product**9%

*“Gets the job done”*

**Compatibility-Overall**7%

*“Works great on my old iMac G3 :)))”*

**Assembly/Installation**6%

*“It installs easily and provides stable backup power for system settings, eliminating startup warnings and time drift”*

**Value For Money**5%

*“Good value if they work”*

**Size-Overall**4%

*“fitment was great”*

**Storage Capacity**1%

*“so the capacity is good”*

**Durability**1%

*“So far theyve worked reliably”*

**Charging**1%

*“the device powered up immediately”*

### **What buyers complain about **

**Battery Life**46%

*“All batteries were dead”*

**Durability**14%

*“lasted less than two months”*

**Value For Money**10%

*“The value decreases dramatically when you have to dispose of the product”*

**Functionality-Overall**7%

*“I bought a 4 pack and none worked”*

**Size-Overall**5%

*“It may not fit”*

**Charging**3%

*“Unfortunately, 2 of the 4 batteries weren't fully charged”*

**Quality-Overall**3%

*“Garbage”*

**Natural Resource Wastage**1%

*“Garbage”*

### **Top return reasons **

**Size-Overall**49%

**Compatibility-Overall**10%

**Battery Life**10%

**Functionality-Overall**8%

**Advertised Vs Actual Product**7%

**Value For Money**4%

**Charging**4%

**Connectivity-Overall**3%

**Defective Material/Parts**2%

**Durability**1%

## **Common questions**

<dl>

<dt>**Is 1/2 aa 3.6v lithium battery profitable to sell on Amazon United States?**</dt><dd>The niche generates $112K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.5%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the 1/2 aa 3.6v lithium battery niche?**</dt><dd>8 brands and 21 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in 1/2 aa 3.6v lithium battery?**</dt><dd>Top complaints mined from reviews: Battery Life, Durability, Value For Money. The return rate is 1.2%.</dd>

<dt>**When does demand for 1/2 aa 3.6v lithium battery peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the 1/2 aa 3.6v lithium battery niche?**</dt><dd>Listings span $4.95–$31.60; the average listing price is $13.92 (sweet spot $15–$100). The average incumbent carries 1,089 reviews — the moat a new listing must climb.</dd>

</dl>

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