---
title: "Iphone 8 Plus Battery Replacement — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-8-plus-battery-replacement"
last_updated: "2026-08-09T14:46:30.455Z"
locale: en
meta:
  description: "Niche score 40/100 · $31K/yr market · 28K searches/yr · $21.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · $31K/yr market · 28K searches/yr · $21.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Iphone 8 Plus Battery Replacement — $31K/yr Amazon US Niche (2026) - Flapen"
---

# **iphone 8 plus battery replacement**

**Skip it**

A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 18Conversion 60Competition 13Returns 41Price range 94Avg price 92Brand share 31Review moat 78Quality gap 76

**Price range**

**Great****$14.88–$29.50**

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

**Avg price**

**Great****$21.75**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****431**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****5.2%**

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

**Returns**

**Okay****3.7%**

return rate — above 5% kills the launch gate

**Brand share**

**Okay****86%**

top-5 brand share — brands hold most of the demand

**Growth**

**Bad****-14.9%**

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

**Competition**

**Bad****84%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$31K**

$31K/yr · 28K searches

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

According to Flapen's Amazon United States niche tracking, iphone 8 plus battery replacement is a $31K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jul. Verdict: Skip it — 40/100.

Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **iphone 8 plus battery replacement market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$33K–$44K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#355**</dd>

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

<dt>**Prime**</dt><dd>**90%**</dd>

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

<dt>**Out of stock**</dt><dd>**40.3%**</dd>

<dt>**Avg brand age**</dt><dd>**36 months**</dd>

<dt>**Avg seller age**</dt><dd>**225 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▲rising

**Sellers**

**9**

**Top-5 brand share**

**86%**

Top 20: 100%

**Top-5 click share**

**84%**

Top 20: 100%

**Open market**

**4%**

- Luuzkla31% - JSYVKUTO20% - EFAITHFIX13% - UooFide13% - iFixit9% - XYIRMCYF9% - Open — no brand owns it (2 brands, 4%)

## **Demand & seasonality**

Weekly Amazon search volume, last 99 weeks — -14.9% search growth over the last 90 days.

1K800Prime Day '24 seasonDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-8-plus-battery-replacement/trend)

## **Top iphone 8 plus 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.

0%10%$3K20%$6K30%$9K40%$13K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 10 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service](https://m.media-amazon.com/images/I/414zImPr1TL.jpg)**Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service**Luuzkla**$23.71**4.5★804 rev](https://www.amazon.com/dp/B0GFDN7DFR) [2![JSYVKUTO 22800mAh Battery for iPhone 8 Plus [Upgraded] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898](https://m.media-amazon.com/images/I/61RZX7B1jcL.jpg)**JSYVKUTO 22800mAh Battery for iPhone 8 Plus \[Upgraded\] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898**JSYVKUTO**$19.63**4.4★440 rev](https://www.amazon.com/dp/B0GF212F5N) [3![EFAITHFIX 4500mAh Upgraded Replacement Battery Compatible with iPhone 8 Plus High Capacity New 0 Cycle A+ Battery Replacement for iPhone 8 Plus Model A1864 A1897 A1898 with Complete Repair Tool Kit](https://m.media-amazon.com/images/I/41ldRL-z7DL.jpg)**EFAITHFIX 4500mAh Upgraded Replacement Battery Compatible with iPhone 8 Plus High Capacity New 0 Cycle A+ Battery Replacement for iPhone 8 Plus Model A1864 A1897 A1898 with Complete Repair Tool Kit**EFAITHFIX**$14.88**4.0★159 rev](https://www.amazon.com/dp/B0CBV1BBDW) [4![UooFide Upgraded High Capacity Battery Compatible with iPhone 8 Plus (5.5-Inches)](https://m.media-amazon.com/images/I/51sa9bKAdZL.jpg)**UooFide Upgraded High Capacity Battery Compatible with iPhone 8 Plus (5.5-Inches)**UooFide**$19.83**4.1★341 rev](https://www.amazon.com/dp/B09C22G8NP) [5![XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/51MxA-KropL.jpg)**XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit**XYIRMCYF**$25.82**4.3★1,205 rev](https://www.amazon.com/dp/B0GYXBZ3WP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/51MxA-KropL.jpg)**XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit**XYIRMCYF**$25.82**1,205 rev2mo ago](https://www.amazon.com/dp/B0GYXBZ3WP) [![Svenirven Battery for iPhone 8 Plus 2026 New Upgraded Battery Replacement for iPhone A1864 A1897 A1898 A1899 with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/413u28d8AdL.jpg)**Svenirven Battery for iPhone 8 Plus 2026 New Upgraded Battery Replacement for iPhone A1864 A1897 A1898 A1899 with Professional Repair Tool Kit**Svenirven**$19.66**26 rev3mo ago](https://www.amazon.com/dp/B0GVZ5X16W) [![Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service](https://m.media-amazon.com/images/I/414zImPr1TL.jpg)**Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service**Luuzkla**$23.71**804 rev6mo ago](https://www.amazon.com/dp/B0GFDN7DFR) [![JSYVKUTO 22800mAh Battery for iPhone 8 Plus [Upgraded] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898](https://m.media-amazon.com/images/I/61RZX7B1jcL.jpg)**JSYVKUTO 22800mAh Battery for iPhone 8 Plus \[Upgraded\] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898**JSYVKUTO**$19.63**440 rev6mo ago](https://www.amazon.com/dp/B0GF212F5N) [![XYIRMCYF 19800mAh Super Capacity Battery Compatible with iPhone 8 Plus 0 Cycle Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/51rWxOZQHJL.jpg)**XYIRMCYF 19800mAh Super Capacity Battery Compatible with iPhone 8 Plus 0 Cycle Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit**XYIRMCYF**$22.72**1,205 rev12mo ago](https://www.amazon.com/dp/B0FH2DQTW4)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Svenirven Battery for iPhone 8 Plus 2026 New Upgraded Battery Replacement for iPhone A1864 A1897 A1898 A1899 with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/413u28d8AdL.jpg)**Svenirven Battery for iPhone 8 Plus 2026 New Upgraded Battery Replacement for iPhone A1864 A1897 A1898 A1899 with Professional Repair Tool Kit**Svenirven**$19.66**4.3★**▲ 248%**](https://www.amazon.com/dp/B0GVZ5X16W) [![Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service](https://m.media-amazon.com/images/I/414zImPr1TL.jpg)**Luuzkla 23900mAh (New Upgrade) Battery Compatible with iPhone 8 Plus Super Capacity Battery Replacement Compatible with iPhone 8 Plus with Full Tool Kits-0 Cycle High Capacity-24 Months Service**Luuzkla**$23.71**4.5★**▲ 246%**](https://www.amazon.com/dp/B0GFDN7DFR) [![XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit](https://m.media-amazon.com/images/I/51MxA-KropL.jpg)**XYIRMCYF 24300mAh Super Capacity Battery Compatible with iPhone 8 Plus New 0 Cycle-Li-Polymer Replacement Battery for iPhone 8 Plus with Professional Repair Tool Kit**XYIRMCYF**$25.82**4.3★**▲ 246%**](https://www.amazon.com/dp/B0GYXBZ3WP) [![JSYVKUTO 22800mAh Battery for iPhone 8 Plus [Upgraded] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898](https://m.media-amazon.com/images/I/61RZX7B1jcL.jpg)**JSYVKUTO 22800mAh Battery for iPhone 8 Plus \[Upgraded\] New 0 Cycle Higher Capacity Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit Model A1864 A1898 A1898**JSYVKUTO**$19.63**4.4★**▲ 118%**](https://www.amazon.com/dp/B0GF212F5N) [![UooFide Upgraded High Capacity Battery Compatible with iPhone 8 Plus (5.5-Inches)](https://m.media-amazon.com/images/I/51sa9bKAdZL.jpg)**UooFide Upgraded High Capacity Battery Compatible with iPhone 8 Plus (5.5-Inches)**UooFide**$19.83**4.1★**▲ 13%**](https://www.amazon.com/dp/B09C22G8NP)

**~~View all trending →~~**

## **What buyers say about iphone 8 plus battery replacement**

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

### **What buyers love **

**Battery Life**35%

*“Now it easily lasts a full day”*

**Value For Money**14%

*“This is more an aspirational purchase”*

**Quality-Overall**11%

*“Good product”*

**Assembly/Installation**10%

*“Easy to install”*

**Charging**7%

*“holds charge well”*

**Ease Of Use**6%

*“It was easy enough”*

**Advertised Vs Actual Product**4%

*“Works as advertised”*

**Size-Overall**2%

*“Perfect fit”*

**Functionality-Overall**1%

*“Performance feels stable”*

**Durability**1%

*“Now it easily lasts a full day —”*

### **What buyers complain about **

**Battery Life**29%

*“The battery drains extremely quickly”*

**Assembly/Installation**21%

*“loose your time to install”*

**Charging**14%

*“doesnt keep charge I had to remove it”*

**Durability**7%

*“can not last for 24 hours”*

**Size-Overall**5%

*“The screws are not the same size”*

**Connectivity-Overall**4%

*“But the connection cable is a little longer”*

**Ease Of Use**4%

*“hard to use”*

**Adhesion/Stickiness**4%

*“And the glue sticker is too weak”*

### **Top return reasons **

**Functionality-Overall**21%

**Compatibility-Overall**17%

**Charging**13%

**Battery Life**11%

**Defective Material/Parts**11%

**Size-Overall**10%

**Assembly/Installation**6%

**Ease Of Use**3%

**Value For Money**3%

**Socket/Port/Plug**3%

## **Common questions**

<dl>

<dt>**Is iphone 8 plus battery replacement profitable to sell on Amazon United States?**</dt><dd>The niche generates $31K/yr across 10 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (40/100).</dd>

<dt>**How competitive is the iphone 8 plus battery replacement niche?**</dt><dd>8 brands and 9 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 86% of demand.</dd>

<dt>**What do buyers complain about in iphone 8 plus battery replacement?**</dt><dd>Top complaints mined from reviews: Battery Life, Assembly/Installation, Charging. The return rate is 3.7%.</dd>

<dt>**When does demand for iphone 8 plus battery replacement peak?**</dt><dd>Demand peaks in Jul; the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the iphone 8 plus battery replacement niche?**</dt><dd>Listings span $14.88–$29.50; the average listing price is $21.75 (sweet spot $15–$100). The average incumbent carries 431 reviews — the moat a new listing must climb.</dd>

</dl>

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