---
title: "memory saver for car battery — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/memory-saver-for-car-battery"
last_updated: "2026-07-13T19:47:00.290Z"
locale: en
meta:
  description: "soft demand (-39.3% this quarter) — memory saver for car battery doesn't clear our bar today."
  "og:description": "soft demand (-39.3% this quarter) — memory saver for car battery doesn't clear our bar today."
  "og:title": "memory saver for car battery — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

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# **memory saver for car battery**

**Skip it**

Soft demand (-39.3% this quarter) — this niche doesn't clear our bar today.

Market size 23Growth 5Conversion 48Competition 52Returns 38Price range 89Avg price 91Brand share 77Review moat 90Quality gap 42

**Avg price**

**Great****$21.55**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****208.84**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$8.87–$84.40**

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

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Okay****3.8%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****4.5%**

return rate — above 6% kills the launch gate

**Market size**

**Bad****$93K**

$93K/yr · 113K searches

**Growth**

**Bad****-39.3%**

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

## **Competition**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**21 **▼falling

**Sellers**

**48**

**Top-5 brand share**

**58%**

**Open market**

**35%**

- EZRED15% - MR CARTOOL14% - VSTM13% - Autel8% - AUTOOL8% - allsun8%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$4K8%$7K12%$11K16%$15K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 25 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![EZRED MS4000 Automotive Memory Saver With Built In Charger  Black](https://m.media-amazon.com/images/I/41c13ZexxBL.jpg)**EZRED MS4000 Automotive Memory Saver With Built In Charger Black**EZRED**$84.40**4.5★473 rev](https://www.amazon.com/dp/B0021UP5KW) [2![VSTM OBD II Vehicle ECU Emergency Power Supply Cable Memory Saver (3Meter) with Alligator Clip-On 12V Car Battery Cigarette Lighter Power Extension Socket](https://m.media-amazon.com/images/I/51bul2iCqVL.jpg)**VSTM OBD II Vehicle ECU Emergency Power Supply Cable Memory Saver (3Meter) with Alligator Clip-On 12V Car Battery Cigarette Lighter Power Extension Socket**VSTM**$16.02**4.5★1,648 rev](https://www.amazon.com/dp/B01MPY0DNI) [3![E60 OBD II Vehicle ECU Emergency Power Supply Cable 12V Car Memory Saver with 2 Alligator Clip&Battery Box](https://m.media-amazon.com/images/I/41CZEZr77ML.jpg)**E60 OBD II Vehicle ECU Emergency Power Supply Cable 12V Car Memory Saver with 2 Alligator Clip&Battery Box**MR CARTOOL**$15.91**4.4★222 rev](https://www.amazon.com/dp/B0CCDF1N14) [4![AUTOOL OBD II Car Memory Saver Cable 12V Vehicle ECU Emergency Power Supply Cable Digital Display OBD II Battery Leakage Detective Kit with 3A Fuse & 2 Alligator Clips](https://m.media-amazon.com/images/I/41w+6TbWKEL.jpg)**AUTOOL OBD II Car Memory Saver Cable 12V Vehicle ECU Emergency Power Supply Cable Digital Display OBD II Battery Leakage Detective Kit with 3A Fuse & 2 Alligator Clips**AUTOOL**$22.74**4.1★115 rev](https://www.amazon.com/dp/B0DB8G6B1Z) [5![All-Sun GK504 Automotive Setting Keeper Auto Vehicle Computer Memory Saver 1 Pack](https://m.media-amazon.com/images/I/31Xi5V8rtoL.jpg)**All-Sun GK504 Automotive Setting Keeper Auto Vehicle Computer Memory Saver 1 Pack**allsun**$12.29**4.3★242 rev](https://www.amazon.com/dp/B07DJ45YV9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![OBD II Connector Battery Memory Saver for All Vehicles Equipped with 16 Pin OBD II Adapter 9V Battery Powered](https://m.media-amazon.com/images/I/41LeT8SvpEL.jpg)**OBD II Connector Battery Memory Saver for All Vehicles Equipped with 16 Pin OBD II Adapter 9V Battery Powered**PUXWQT**$25.66**0 rev5mo ago](https://www.amazon.com/dp/B0GJ5NSNYN) [![MR CARTOOL E50 OBDII Car Memory Saver 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips](https://m.media-amazon.com/images/I/414HGhaVLVL.jpg)**MR CARTOOL E50 OBDII Car Memory Saver 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips**MR CARTOOL**$8.87**25 rev6mo ago](https://www.amazon.com/dp/B0GFDB2B3B) [![OBD2 Car Memory Saver Cable with Voltage and Current Display Vehicle Emergency Power Supply Cable 12V withAuto Leakage Detection 2 Alligator Clips&3A Fuse](https://m.media-amazon.com/images/I/41daK2E68LL.jpg)**OBD2 Car Memory Saver Cable with Voltage and Current Display Vehicle Emergency Power Supply Cable 12V withAuto Leakage Detection 2 Alligator Clips&3A Fuse**Mrcartool**$21.52**4 rev6mo ago](https://www.amazon.com/dp/B0GDXVCG7Z) [![MOTOCOCHE OBD2 ECU Memory Saver Cable for Most Vehicles](https://m.media-amazon.com/images/I/41HnAbg81VL.jpg)**MOTOCOCHE OBD2 ECU Memory Saver Cable for Most Vehicles**MOTOCOCHE**$21.59**9 rev8mo ago](https://www.amazon.com/dp/B0FZ8D171H) [![NYTKL OBD2 Car Memory Saver Protection Connector 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips OBD II Digital Display Automotive Battery Power-Off Protector](https://m.media-amazon.com/images/I/4128NmmvLbL.jpg)**NYTKL OBD2 Car Memory Saver Protection Connector 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips OBD II Digital Display Automotive Battery Power-Off Protector**NYTKL**$9.54**7 rev10mo ago](https://www.amazon.com/dp/B0F9Y17K5K)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![OBD2 Car Memory Saver Cable with Voltage and Current Display Vehicle Emergency Power Supply Cable 12V withAuto Leakage Detection 2 Alligator Clips&3A Fuse](https://m.media-amazon.com/images/I/41daK2E68LL.jpg)**OBD2 Car Memory Saver Cable with Voltage and Current Display Vehicle Emergency Power Supply Cable 12V withAuto Leakage Detection 2 Alligator Clips&3A Fuse**Mrcartool**$21.52**4.6★**▲ 388%**](https://www.amazon.com/dp/B0GDXVCG7Z) [![OBD II Connector Battery Memory Saver for All Vehicles Equipped with 16 Pin OBD II Adapter 9V Battery Powered](https://m.media-amazon.com/images/I/41LeT8SvpEL.jpg)**OBD II Connector Battery Memory Saver for All Vehicles Equipped with 16 Pin OBD II Adapter 9V Battery Powered**PUXWQT**$25.66**0.0★**▲ 365%**](https://www.amazon.com/dp/B0GJ5NSNYN) [![MR CARTOOL E50 OBDII Car Memory Saver 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips](https://m.media-amazon.com/images/I/414HGhaVLVL.jpg)**MR CARTOOL E50 OBDII Car Memory Saver 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips**MR CARTOOL**$8.87**4.3★**▲ 154%**](https://www.amazon.com/dp/B0GFDB2B3B) [![NYTKL OBD2 Car Memory Saver Protection Connector 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips OBD II Digital Display Automotive Battery Power-Off Protector](https://m.media-amazon.com/images/I/4128NmmvLbL.jpg)**NYTKL OBD2 Car Memory Saver Protection Connector 12V Vehicle ECU Emergency Power Supply Cable with 2 Alligator Clips OBD II Digital Display Automotive Battery Power-Off Protector**NYTKL**$9.54**5.0★**▲ 145%**](https://www.amazon.com/dp/B0F9Y17K5K) [![MOTOCOCHE OBD2 ECU Memory Saver Cable for Most Vehicles](https://m.media-amazon.com/images/I/41HnAbg81VL.jpg)**MOTOCOCHE OBD2 ECU Memory Saver Cable for Most Vehicles**MOTOCOCHE**$21.59**4.5★**▲ 123%**](https://www.amazon.com/dp/B0FZ8D171H)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -39.3% search growth over the last 90 days.

4K3KHoliday '24Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.6×

## **Reviews**

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

### **What buyers love **

**Battery Life**19%

*“I used the AA battery option which worked great”*

**Quality-Overall**14%

*“Excellent tool”*

**Advertised Vs Actual Product**14%

*“Works as advertised”*

**Ease Of Use**13%

*“Easy to use”*

**Value For Money**10%

*“Worth the purchase”*

**Efficiency**8%

*“Works perfectly”*

**Functionality-Overall**5%

*“Does the Job at hand”*

**Safety Standards**3%

*“According to him, it made the whole job a lot easier and safer, so I'm going to trust him on that”*

**Design-Overall**3%

*“works as designed”*

**Connectivity-Overall**2%

*“easy to connect”*

### **What buyers complain about **

**Functionality-Overall**28%

*“So the car battery was already not working properly”*

**Connectivity-Overall**11%

*“Make sure you have the clearance of the dashboard wouldnt fit on my OBD connection due to dashboard interference had to send it back”*

**Battery Life**9%

*“My car battery died while in the garage”*

**Advertised Vs Actual Product**6%

*“the product didn't perform as expected”*

**Noise Level**5%

*“Makes a constant beeping noise confirming it's working”*

**Quality-Overall**5%

*“Seems a little cheap”*

**Safety Standards**3%

*“If you are looking to protect your ECU data when changing a battery without first removing all the vehicle's fuses this is definately not the device for you”*

**Brightness/Shine/Glow**3%

*“Not So Bright”*

**Durability**3%

*“the fuse blew before further damage”*

**Value For Money**2%

*“The tool is a little pricey for what it is”*

### **Top return reasons **

**Functionality-Overall**30%

**Compatibility-Overall**16%

**Defective Material/Parts**9%

**Connectivity-Overall**6%

**Socket/Port/Plug**5%

**Instructions/User Manual/Troubleshooting**5%

**Charging**4%

**Advertised Vs Actual Product**4%

**Quality-Overall**3%

**Battery Life**3%