SAVES all drive-ability codes and settings when disconnecting/changing a vehicle’s starter battery. It also protects settings and codes for anti-theft radios, clocks, key less entry systems, and much more.
Plugs into vehicle’s 12 volt power receptacle ( 9 Volt battery Not Included )
Not all cars are compatible, so you may need to research your vehicle’s specific requirements. Some cars have specific voltage requirements or AGM batteries, so it’s essential to check your vehicle’s manual or consult a mechanic to ensure compatibility.
Retains radio presets, ECM codes, and learned procedures for up to four hours
Buy Now From Amazon – $14.22
3. Schumacher OBD-L Memory Saver Detector – Save Your Vehicle Settings During Battery Removal

Key Features:
- SAVE ON-BOARD DATA: Save settings and data from your vehicle’s microprocessor-controlled devices when your battery is disconnected
- MEMORY SAVER DETECTION: No-fuss design automatically identifies vehicle compatibility
- FUSE-PROTECTED: Standard fuse-protected aux input plug offers reliable connection
- EASY ATTACHMENT: Attach between a portable power unit and a vehicle’s On-Board Data (OBDII) diagnostic port
- LED INDICATORS: Colored LED indicator lights with printed instructions on the unit for ease of use
- Easily save your settings before removing your battery for service or replacement. Schumacher’s OBD-L Memory Saver Detector automatically identifies if the vehicle’s electronics will allow the device to save on-board data. Attach between a portable power unit and a vehicle’s On-Board Data (OBDII) diagnostic port to maintain power to microprocessor-controlled devices when the vehicle’s battery is disconnected. Includes standard fuse-protected aux input plug, easy to follow 3-step instructions printed on the unit with helpful LED indicator lights.
Buy Now From Amazon – $52.79
4. Schumacher OBD II Memory Saver Cable – Preserves Vehicle Settings During Maintenance – Compatible with Most Vehicles

Key Features:
- 3 feet long cable assembly that plugs an external power source into the vehicle’s OBDII port
- Lightweight and easily transportable
- Preserves the stored fault codes and programmed electronic settings such as clocks, seat positions, and alarms
Buy Now From Amazon – $28.99
5. JEUCLEL USB Powered Vehicle OBD II Connector Memory Saver with Buzzer, Car ECU Emergency Power Supply Cable, Automotive Battery Replacement/Disconnect Tool, Save Settings During Battery Removal

Key Features:
- 【Memory Saver】 Protect memory during car battery change, prevent reset settings, such as car dashboard information, digital clock, stereo, memory seats, ABS, etc.
- 【Danger of Power Outage】 Replacing the car battery when there is no backup power supply may not only lose various memories of the car, but may also cause display abnormalities. In addition, the restoration may require readjustment at the dealer. With this tool, you don’t have to worry about that.
- 【USB Powered】 The memory protector works with USB power supply. Only a USB mobile power supply with sufficient power is needed to perfectly complete the task of replacing the battery. Compared with similar products that use alligator clips to connect to the backup power supply, it is more stable, more convenient, and greatly reduces the difficulty of operation.
- 【Indicators and Buzzer】The new version of the memory retention period has 3 indicators and 1 buzzer, which can give warnings in many situations. Memory Saver operates in the cab, and battery replacement must be done in front of the vehicle. The buzzer will remind you when the USB power is low, so you can concentrate on your work.
- 【Quality】 This tool is made of new PVC material, eco-friendly material, non-toxic and tasteless. High quality can be guaranteed and a longer service life can be ensured.
Buy Now From Amazon – $13.99
6. ALLOSUN All-Sun GK504 Automotive Setting Keeper Auto Vehicle Computer Memory Saver, 1 Pack

Key Features:
- Ruggedly designed hard plastic body
- Offering a convenient, easy way to save memory data of on-board computers
- Featuring convenient ability to plug into any vehicle cigarette lighter
- Includes a rugged cable designed for durability
- Requires 9-volt Alkaline battery (not included)
Buy Now From Amazon – $11.60
7. Original Mem Retain Brand 9 Volt Battery Powered OBD ll Connector Vehicle Memory Saver Reliable and Easy

Key Features:
- Much more reliable than with similar 12v/Cigarette outlet models
- Exclusive Safe voltage blocking diode installed for safe 9 volt battery
- For maintaining voltage continuity to engine computer, clock and radio memory when vehicle battery is disconnected
- Instructions are included for perfect results——- Uses 9 volt battery (Not Included)
- Assembled in the USA
Buy Now From Amazon – $19.99
8. allsun Car Memory Data Saver OBD2 Automotive Emergency Power Supply Battery Adapter Protection Connector Memory Saver Adapter Cable Keep Memory Alive for Cars 2 Alligator Clips Cigarette Lighter

Key Features:
- Car Memory Saver OBD2, has red clip link back-up battery positive, negative black negative.Prevents electronic memory loss when disconnecting a vehicle’s battery preserves vehicle codes and electronic presets.
- Car Memory Keeper, Alligator clip car charger, you can use this Car Data Saver to keep your car’s computer powered through the OBD-II port or the cigarette lighter socket on the car while you replace the car’s storage battery. The Car Data Saver needs an additional 12V storage battery as a temporary power source. It is a very useful tool for car service.
- Memory Saver Automotive, the Emergency Power Interface without super long 6.5 ft (2meters) cable(Not includes). In this way, you can change your car battery, also by get the alternative 12V power source from another car, when you not have a jump starter on hand.
- Memory Saver Adapter Cable,as our device without 2 meter cable, 2 meter cable will be a convenient way, should you not have jump starter (or Lead-acid battery) on hand, and the device can also get the 12v power supply from cigarette lighter of another good car. Just insert the Cigarette lighter plug to this car and insert into 16 pin plug to the OBD port of the car you want to replace battery. And now you can replace the battery.
- Vehicle Memory Saver, great for keeping the computer memory alive while working on the car. Many repairs need to disconnect the battery and this connected to an external power source. It has a fuse ф5×20 5A 250V.
Buy Now From Amazon – $16.20
9. OLLGEN 3M/9.8ft Car OBDII Vehicle ECU Emergency Power Supply Cable Car Memory Save Any 12V DC Power Source OBD Male Connector Cable Adapter

Key Features:
- Cigarette Lighter to OBD2 16 Pin Male Connector Power Cable : This 3m/9.8ft cable is 12V in Male OBD out adapter you can use it to connect to an OBD II in a car.
- Interface connector between a 12V DC power source and vehicle’s OBD II port :Compatible all OBD2 diagnostic tools with a 16 pin socket .
- Powered up OBD2 device : This Cigarette lighter to OBD2 16pin male power cable can preserve vehicle codes and electronic presets , and it also can save you radio information.This device can work with any 12V DC power source, including jump starter, DC 12V Lead-acid battery or another car’s DC 12V power outlet.
- Compatible with most of OBD II Memory Saver (or Automotive Computer Memory Saver) in Current Market : Use this to power your HUD without having to plug into OBD port (the HUD usually plugs into the OBD port for power). Use this cable to power any OBD port powered devices that don’t need to talk to the car.
- Great Product :High-quality materials can make the cable Sturdy and flexible.
Buy Now From Amazon – $11.99
10. Clore Automotive SOLAR ESA30 OBD II Memory Saver Connector

Key Features:
- Turns any jump starter with a 12v power port into a memory saver
- Interface connector between a jump starter and a vehicle’s OBD II port
- Prevents electronic memory loss when disconnecting a vehicle’s battery
- LED confirms a proper connection has been made to the OBDII port
Buy Now From Amazon – $13.59
Essential Buyer’s Guide for Selecting the Perfect best automotive battery memory saver
Identify Your Requirements
Pinpoint what you specifically need from the best automotive battery memory saver. Understand the features and functionalities that are most critical for your use-case to narrow down your choices.
Inspect Product Quality
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Assess Brand Reputation
The brand’s history can tell you a lot about the quality and reliability of the best automotive battery memory saver. A reputable brand usually guarantees a certain level of quality and customer service.
Vendor Credibility
Consider the credibility of the seller or manufacturer. A reputable vendor or manufacturer often correlates with better customer service and product reliability.
User Reviews and Ratings
Take the time to read through user reviews and ratings. They offer valuable insights into how the best automotive battery memory saver performs in real-world scenarios and can highlight any potential issues.
Longevity and Maintenance
Consider how long the best automotive battery memory saver lasts under normal use. A product that requires less maintenance and is more durable is typically a better investment.
Usability and Convenience
Ensure the best automotive battery memory saver is easy to use and fits comfortably into your routine or lifestyle. User-friendly products enhance your experience and are more likely to satisfy your needs.
Compare Price to Value
Evaluate if the best automotive battery memory saver’s price is reflective of its value. Sometimes paying a little extra upfront can save you money in the long run due to better quality or features.
Product Availability
Check the availability of the best automotive battery memory saver. Products that are easily accessible tend to have better after-sales support and availability of parts or accessories.
Comprehensive Comparison
Compare different best automotive battery memory saver products against each other. Look at each option’s features, benefits, and drawbacks to make an informed decision.
Warranty and After-Sales Support
A solid warranty and reliable customer support can greatly enhance your experience with the best automotive battery memory saver. These factors can also provide peace of mind and save costs in the future.
Stay Updated
The market is always evolving. Keep an eye on new releases and developments to ensure you choose a best automotive battery memory saver that remains relevant and up to date.
Make Your Final Choice
After thorough consideration, choose the best automotive battery memory saver that best meets your criteria and expectations, balancing all factors like quality, usability, and cost.
Our reviews and guides are meticulously curated to assist you in navigating the selection process, helping you make a choice that’s both satisfying and well-informed.