Car battery memory savers keep your vehicle’s electronic settings safe during battery changes. They prevent loss of radio presets, clock settings, and ECU data.
A memory saver provides a small, steady power supply to your car’s computer while the main battery is disconnected. This avoids costly resets and programming. Many models connect through the OBD II port or cigarette lighter socket, making them easy to use.
Some come with alligator clips or built-in chargers for added convenience. Choosing the right memory saver depends on your car type and the features you need. This guide covers top memory savers that protect your vehicle’s electronics efficiently and simply.
Vstm Obd Ii Vehicle Ecu Emergency Power Supply Cable Memory Saver
The VSTM OBD II Vehicle ECU Emergency Power Supply Cable Memory Saver is ideal for automotive technicians, mechanics, and car enthusiasts who frequently work on vehicle electronics or perform battery replacements. If you want to preserve your vehicle’s electronic memory settings during battery disconnection or replacement, this cable provides a reliable and convenient solution.
Pros:
- Ensures continuous power supply to the ECU, preventing loss of memory settings.
- Includes a 3-meter long cable with alligator clip-on for versatile and easy connection.
- Compatible with 12V car battery cigarette lighter power sockets.
- Lightweight design (approximately 0.24 pounds) for easy handling and storage.
- Durable build by reputable brand VSTM for long-lasting performance.
Cons:
- Limited to 12V vehicles, not suitable for other voltage systems.
- May require basic knowledge of vehicle electronics for proper usage.
The VSTM OBD II Emergency Power Supply Cable features a 3-meter length that offers ample reach to connect the vehicle’s ECU to an external power source without hassle. This extended cable length enables users to maintain power to the vehicle’s electronic control unit during crucial battery changes or diagnostics, which helps in safeguarding important electronic configurations and settings. The alligator clip-on design ensures a secure and stable connection to the battery terminals or power source, minimizing interruptions in power supply.
In addition to preserving ECU memory, the cable’s compatibility with the 12V cigarette lighter power extension socket means it can be easily integrated into most vehicles’ existing power systems. This flexibility provides convenience for both professional mechanics and DIY car owners, allowing them to maintain vehicle electronic integrity effortlessly. Its lightweight and compact design also make it highly portable, meaning it can be easily stored in a toolbox or glove compartment for on-the-go use.
Ezred Ms4000 Automotive Memory Saver
The EZRED MS4000 Automotive Memory Saver With Built In Charger is ideal for professional mechanics, auto technicians, and car enthusiasts who frequently work on vehicles and need to preserve the vehicle’s electronic memory during battery replacement or maintenance. This device is perfect for those seeking a reliable and efficient way to maintain vehicle settings without losing important data such as radio presets, ECU data, and other electronic configurations.
Pros:
- Built-in charger for convenience and ease of use
- Compact and lightweight design at only 1.9 pounds
- Preserves vehicle memory and electronic settings during battery changes
- Durable black casing for long-lasting use
- Simple to connect and operate, saving time during automotive repairs
Cons:
- Lack of detailed dimension information may affect compatibility considerations
- Limited to automotive memory saving, not suitable for other electronic devices
The EZRED MS4000 Automotive Memory Saver stands out due to its built-in charger feature, which ensures that the device remains powered throughout the battery maintenance process. This allows users to confidently replace or disconnect batteries without worrying about losing essential vehicle data. Its lightweight and compact form factor make it easy to handle and store, adding to the overall convenience. The durable black design provides resilience against the demanding environment of automotive workshops.
Beyond just saving memory, this tool minimizes downtime by preserving critical electronic settings, which means users avoid the hassle of reprogramming or resetting vehicle systems. The straightforward setup and operation make it accessible even for those who may not have advanced technical skills. Overall, the EZRED MS4000 is a practical investment for anyone who regularly services vehicles and prioritizes efficiency and data integrity.
E60 Obd Ii Vehicle Ecu Emergency Power Supply Cable
The E60 OBD II Vehicle ECU Emergency Power Supply Cable 12V Car Memory Saver is ideal for automotive technicians, mechanics, and car enthusiasts who need a reliable solution to maintain the vehicle’s ECU memory during battery replacement or servicing. If you work regularly with vehicle electronics or want to protect your car’s computer memory from resetting, this power supply cable is a must-have tool.
Pros:
- Provides continuous 12V power to preserve ECU memory during battery changes.
- Includes 2 durable alligator clips for secure and easy connection to the car battery.
- Comes with a protective battery box ensuring safe and stable power supply.
- Compact and portable design with dimensions: Height 5.9″, Width 1.97″, Length 7.87″.
- Manufactured by trusted brand MR CARTOOL, known for quality automotive tools.
Cons:
- Limited to vehicles with OBD II compatibility.
- Requires basic knowledge of battery terminals for safe use.
The E60 OBD II Vehicle ECU Emergency Power Supply Cable is designed to maintain a stable 12V power supply to your vehicle’s ECU during battery replacement or any service that disconnects the car battery. This ensures that critical settings such as radio presets, engine management data, and security codes remain intact, preventing time-consuming resets. The inclusion of two sturdy alligator clips allows for a secure connection to the vehicle’s battery terminals, minimizing the risk of power interruption.
Its compact and lightweight design, measuring approximately 5.9 inches in height, 1.97 inches in width, and 7.87 inches in length, makes it highly portable and easy to store in any automotive toolkit. The protective battery box ensures the power supply remains stable and safe during use, reducing the chance of accidental short circuits. Overall, this product from MR CARTOOL offers a dependable and practical solution for anyone needing to preserve their car’s electronic memory with minimal hassle.
9v Battery Powered Memory Saver For Car Battery
The 9V Battery Powered Memory Saver is ideal for car owners, mechanics, and automotive enthusiasts who frequently work on their vehicle’s electrical system and want to preserve the car’s computer memory during battery replacement or maintenance. This device is perfect for anyone with a car equipped with an OBD II 16-Pin Interface, ensuring that settings such as radio presets, clock, and ECU data remain intact.
Pros:
- Compatible with all OBD II 16-Pin Interface vehicles
- Compact and lightweight design, weighing only 0.11 pounds
- Easy to use with a simple plug-and-play setup
- Powered by a standard 9V battery, making it convenient and portable
- Helps prevent loss of important vehicle memory data during battery changes
Cons:
- Requires a fresh 9V battery for optimal performance
- Limited to vehicles with an OBD II 16-Pin Interface, not compatible with older models
- May not work with some specialized or aftermarket OBD connectors
The 9V Battery Powered Memory Saver by YUANTUO, manufactured by TecVally, is designed to maintain the vehicle’s electronic memory during maintenance tasks. Its compatibility with all standard OBD II 16-Pin Interfaces ensures broad usability across many car models. The compact black device is easy to carry and store, making it a handy tool for both professionals and casual users alike.
By plugging this memory saver into the vehicle’s OBD II port, users can prevent the loss of critical settings and data that often occur when the car battery is disconnected. This helps avoid tedious reprogramming tasks and saves time. Additionally, the device’s lightweight design and battery operation mean it can be used anywhere without needing an external power source, enhancing its convenience and effectiveness.
Autool Obd Ii Car Memory Saver Cable
The AUTOOL OBD II Car Memory Saver Cable is ideal for automotive professionals, DIY mechanics, and car enthusiasts who frequently perform ECU maintenance or battery replacements. If you need a reliable way to preserve your vehicle’s electronic memory settings during power interruptions, this cable is designed to ensure uninterrupted power supply to your car’s ECU, preventing data loss and system resets.
Pros:
- Provides continuous 12V power supply to vehicle ECU during battery replacement or maintenance
- Equipped with a clear digital display for easy voltage monitoring
- Includes a 3A fuse and 2 alligator clips for added safety and convenience
- Compatible with OBD II standard vehicles for broad applicability
- Helps prevent loss of radio presets, clock settings, and other electronic memory data
Cons:
- Limited to 12V systems, not suitable for all vehicle types
- Requires some basic knowledge of vehicle electronics for proper use
- May not be compatible with older vehicles lacking OBD II ports
The AUTOOL OBD II Car Memory Saver Cable is designed to maintain a steady power flow to your vehicle’s ECU during critical operations such as battery changes or electrical system repairs. Its digital display allows users to monitor voltage in real-time, ensuring the power supply remains stable throughout the process. This feature is particularly beneficial for preventing ECU resets, which can cause inconvenience and costly reprogramming.
Additionally, the inclusion of a 3A fuse and sturdy alligator clips enhances user safety by protecting against electrical surges and providing a secure connection. The cable’s compatibility with standard OBD II ports means it fits a wide range of modern vehicles, making it a versatile tool in any automotive toolkit. Overall, this memory saver cable offers peace of mind by safeguarding your vehicle’s electronic memory during maintenance tasks.
Clore Automotive Solar Esa30
The Clore Automotive SOLAR ESA30 OBD II Memory Saver Connector is ideal for automotive professionals and DIY enthusiasts who frequently work on vehicle electronics. If you need to maintain your vehicle’s computer memory during battery replacement or other electrical work, this tool is designed specifically for you. It helps preserve critical settings like radio presets, ECU data, and other electronic configurations, ensuring a hassle-free repair process.
Pros:
- Reliable memory preservation during battery or electrical system maintenance
- Easy to connect to OBD II port without complicated wiring
- Compact and lightweight design for portability (only 0.35 pounds)
- Durable black casing from trusted brand Clore Automotive
- Compatible with most vehicles equipped with OBD II ports
Cons:
- Limited to vehicles with OBD II ports, not compatible with older models
- Does not provide additional diagnostic functions beyond memory saving
The Clore Automotive SOLAR ESA30 features a straightforward plug-and-play design that connects directly to the vehicle’s OBD II port. This eliminates the need for additional wires or complicated setups, making it user-friendly and efficient. Its compact size (measuring just 1 inch in height, 5 inches in width, and 6 inches in length) ensures it fits comfortably in any toolbox or workspace without adding bulk.
This memory saver connector safeguards your vehicle’s electronic settings by supplying constant power to the car’s computer during battery replacement or electrical repairs. This prevents the loss of important data such as radio presets, clock settings, and ECU configurations, saving you time and frustration. Built by Clore Automotive, a reputable manufacturer, the device is reliable and durable, designed to withstand regular use in professional and home garages alike.
All-sun Gk504 Automotive Setting Keeper
The All-Sun GK504 Automotive Setting Keeper Auto Vehicle Computer Memory Saver is an ideal purchase for automotive enthusiasts, mechanics, and anyone who frequently disconnects their vehicle’s battery. This device is perfect for those who want to preserve their vehicle’s computer memory settings, such as radio presets, clock, and ECU data, during battery replacement or maintenance. If you seek to avoid the hassle of reprogramming your vehicle systems, this memory saver is a must-have tool.
Pros:
- Maintains vehicle computer memory during battery disconnection
- Easy to use and install
- Compact and portable design
- Compatible with a wide range of vehicles
- Manufactured by trusted brand allsun
Cons:
- Limited to one pack per purchase
- May not work with some very old or unique vehicle models
The All-Sun GK504 is designed with user convenience in mind. Its compact size allows for easy storage and handling, making it a practical tool for both professional mechanics and car owners. By supplying a continuous power source to the vehicle’s computer, it effectively prevents loss of important memory settings when the battery is disconnected. This feature ensures that your vehicle’s electronic systems function seamlessly without requiring time-consuming resets or reprogramming.
Additionally, the device’s compatibility with a broad range of vehicles makes it a versatile choice. Whether you own a modern car or an older model, the All-Sun GK504 Automotive Setting Keeper helps safeguard your vehicle’s electronic information. This not only saves time but also reduces the risk of errors that can occur during manual reset processes. Overall, this memory saver is a reliable accessory for maintaining vehicle electronics integrity during battery maintenance.
Schumacher Electric Automotive Memory Saver
The Schumacher Electric Automotive Memory Saver, OBD-L is ideal for car owners, mechanics, and automotive enthusiasts who frequently perform battery maintenance or replacements on their cars, trucks, SUVs, and more. This device is perfect for anyone looking to preserve their vehicle’s electronic settings and avoid the hassle of reprogramming essential systems after disconnecting the battery.
Pros:
- Saves vehicle settings during battery maintenance or removal
- Compatible with OBDII systems for easy plug-and-play use
- Compact and lightweight design for convenient handling and storage
- Works with a variety of vehicles including cars, trucks, and SUVs
- Prevents loss of radio presets, clock, and onboard computer data
Cons:
- Requires access to the OBDII port, which may be difficult to locate in some vehicles
- May not be compatible with older vehicles lacking an OBDII port
The Schumacher Electric Automotive Memory Saver offers a straightforward solution to a common problem faced during battery servicing: loss of important vehicle settings. By plugging into the vehicle’s OBDII port, it supplies continuous power to the onboard memory, ensuring that all personalized configurations such as radio stations, clock settings, and diagnostic trouble codes remain intact. Its compact dimensions and lightweight build make it easy to handle and store, enhancing user convenience.
Designed by Schumacher Electric, a trusted name in automotive accessories, this memory saver is compatible with a wide range of vehicles, making it versatile for professional mechanics and everyday car owners alike. Its plug-and-play functionality means no complicated setup is required, saving users time and effort while protecting their vehicle’s electronic integrity during battery changes or repairs.
Autel Maxibas Btms Obd2 Car Battery Tester Memory Saver
The 2025 Autel MaxiBAS BTMS OBD2 Car Battery Tester Memory Saver is ideal for professional mechanics and car enthusiasts who require accurate battery diagnostics while preserving vehicle memory data during testing. This device is perfect for those who want to maintain their vehicle’s electronic presets and avoid data loss when performing battery checks or replacements.
Pros:
- Effectively preserves vehicle data and electronic presets during battery testing
- Provides surge protection to safeguard vehicle electronics
- Compact and lightweight design for easy handling and portability
- Attaches to a 12-volt backup battery to maintain power supply
- Compatible with OBD2 systems for versatile use across multiple vehicles
Cons:
- Limited to 12-volt systems, not suitable for larger vehicles with different voltage requirements
- May require some technical knowledge to operate effectively
The Autel MaxiBAS BTMS features a compact size with dimensions of approximately 2 inches by 2 inches by 4 inches, weighing just over 0.2 pounds, making it highly portable for use in various automotive environments. Its primary function is to serve as a memory saver by attaching to a 12-volt backup battery, ensuring that vehicle data such as electronic presets, fault codes, and other critical information remains intact during battery testing or replacement. This helps avoid the inconvenience and potential cost of reprogramming vehicle systems.
Additionally, the device includes built-in surge protection, which safeguards sensitive electronic components from voltage spikes that can occur during battery testing. This feature adds an extra layer of safety for both the vehicle and the user. The compatibility with OBD2 systems means it can be used with a wide range of modern vehicles, making it a versatile tool for workshops and car owners alike. Overall, the Autel MaxiBAS BTMS provides reliable performance and peace of mind when maintaining your vehicle’s battery and electronic systems.
Autel Obd2 Memory Saver
The Autel OBD2 Memory Saver is ideal for vehicle owners, mechanics, and automotive technicians who want to preserve their car’s electronic settings during battery changes or maintenance. This device is perfect for anyone with a 12V vehicle seeking to avoid the hassle of resetting the ECU codes, electronic presets, and PCM data after battery disconnection.
Pros:
- Preserves ECU codes and electronic presets during battery replacement
- Compatible with all 12V vehicles
- Polarity protection to prevent damage from incorrect connections
- Built-in voltage meter for real-time monitoring
- Equipped with LED lights for easy operation in low-light conditions
Cons:
- Limited to 12V vehicles only
- May require basic knowledge to connect properly
The Autel MaxiBAS BTMS is designed to maintain critical vehicle data such as PCM and ECU codes while the battery is disconnected, ensuring that no settings are lost. Its compatibility with all 12V vehicles makes it a versatile tool for garages and car enthusiasts. The device’s polarity protection safeguards the vehicle’s electronics from accidental reverse connections, which could otherwise cause damage.
Additionally, the built-in voltage meter allows users to monitor the battery voltage in real-time, helping to ensure the memory saver is functioning correctly throughout the process. The LED lights enhance visibility during installation, making it easier to use even in dim environments. Overall, this memory saver offers a reliable and user-friendly solution to preserve your vehicle’s electronic integrity during battery maintenance.
Frequently Asked Questions
What Is A Memory Saver For Car Batteries?
A memory saver maintains your car’s electronic settings during battery replacement. It prevents loss of radio presets, ECU data, and other settings. This device connects to the OBD II port or battery terminals. It ensures smooth vehicle operation after battery maintenance without reprogramming.
How Do Obd Ii Memory Savers Work?
OBD II memory savers supply constant 12V power to your vehicle’s ECU. They connect via the OBD II port or cigarette lighter socket. This keeps the car’s memory alive during battery disconnection. Models like VSTM and AUTOOL offer reliable power backup and easy use.
Can Memory Savers Protect Vehicle Data During Battery Change?
Yes, memory savers protect all vehicle electronic presets. They prevent loss of radio codes, clock settings, and ECU configurations. This avoids costly dealer visits for reprogramming. Devices such as EZRED MS4000 and Schumacher Electric ensure complete data preservation.
Are Memory Savers Compatible With All 12v Vehicles?
Most memory savers, including Autel MaxiBAS BTMS, fit all 12V vehicles. They support standard OBD II 16-pin interfaces. Always verify compatibility with your car model before purchase. Proper fitment ensures safe and effective memory preservation during battery work.
What Features Should I Look For In A Car Memory Saver?
Look for built-in chargers, polarity protection, and LED indicators. A digital display and fuse protection add safety and convenience. Choose models with long cables and multiple connection options, like alligator clips and cigarette lighter sockets. These features enhance usability and reliability.
Why Use A Solar-powered Memory Saver Like Clore Esa30?
Solar-powered memory savers offer continuous power without batteries. The Clore ESA30 uses ambient light for energy, eliminating battery replacement needs. This eco-friendly option provides reliable memory backup during extended battery changes or maintenance. It’s ideal for outdoor or long-term use.
Conclusion
Choosing the right memory saver helps keep your car’s settings safe during battery work. These devices prevent loss of radio presets, clock settings, and ECU data. Each product offers unique features like easy plug-in, built-in chargers, or solar power options.
Using a memory saver saves time and avoids frustration from resetting systems after battery replacement. Whether you prefer a simple 9V battery model or a more advanced digital display version, there is a suitable option available. Protect your car’s electronic memory with a reliable memory saver to ensure smooth, hassle-free maintenance.
Keep your vehicle running smoothly without losing important data. A good memory saver is a small investment for big convenience. Choose one that fits your car and needs best. Safe battery changes start with preserving your vehicle’s memory.
