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🔋 OBD II 12V Car Memory Saver | Voltage Display

🔋 OBD II 12V Car Memory Saver | Voltage Display

$18.99
$18.99 $37.99
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🔋 12V BATTERY SERVICE ACCESSORY

Help Maintain Selected Vehicle Memory During Battery Service

A 135cm OBD II memory-saver lead for compatible 12V vehicles, with battery clamps and a digital voltage display to help confirm the backup source before battery disconnection.

🔋 12V Systems🚗 OBD II Connection📟 Voltage Display📏 135cm Lead
🔋 OBD II 12V Car Memory Saver - Voltage Display
✨ PRODUCT BENEFITS

Designed Around Everyday Use

🚗

OBD II Connection

Designed to feed backup power through a compatible vehicle OBD II port during suitable battery-service procedures.

📟

Voltage Display

Digital display helps you check the connected backup-source voltage before proceeding.

🔋

12V Service Use

Specified for 12V vehicle systems only; it is not intended for 24V electrical systems.

🛡️

Supplier-Listed Protection

Supplier information lists reverse-polarity protection, but correct polarity and safe connection still need to be verified before use.

Reduce The Chance Of Losing Selected Settings
🔋 SUPPORT MEMORY RETENTION

Reduce The Chance Of Losing Selected Settings

On compatible vehicles, a memory saver can help maintain certain clock, radio or electronic settings during battery replacement. It does not guarantee retention of every module or setting.

Use The Voltage Display As A Basic Confirmation
📟 CHECK BEFORE DISCONNECTING

Use The Voltage Display As A Basic Confirmation

Confirm the backup power source is suitable and stable before disconnecting the vehicle battery. Follow the vehicle service procedure rather than relying on the display alone.

Not Every Vehicle Supports OBD Memory Saving
🚗 COMPATIBILITY COMES FIRST

Not Every Vehicle Supports OBD Memory Saving

Consult the vehicle owner or service manual before use. Some vehicles, modules or service procedures may not permit backup power through the diagnostic port.

Use It For The Intended Battery-Service Task
⚠️ NOT A FULL DIAGNOSTIC TESTER

Use It For The Intended Battery-Service Task

Do not rely on this lead to diagnose parasitic drain, charging faults or other electrical problems that require proper test equipment.

📸 MORE PRODUCT DETAILS

See The Product From More Angles

🔋 OBD II 12V Car Memory Saver - Voltage Display product detail
🔋 OBD II 12V Car Memory Saver - Voltage Display product detail
🔋 OBD II 12V Car Memory Saver - Voltage Display product detail
🏠 WHERE IT FITS

Useful In Real Everyday Routines

🔋

Battery Replacement

For compatible 12V service procedures.

📻

Radio Presets

May help retain selected stored settings.

🕒

Clock Settings

May support memory where the vehicle permits.

🚗

Workshop Use

A compact accessory for suitable battery service.

🧭 HOW TO USE

Simple Steps For Better Use

1

📘 Check The Vehicle Manual

Confirm OBD-port memory saving is permitted and identify any manufacturer-specific precautions.

2

🔋 Connect A Suitable 12V Backup Source

Observe correct polarity and keep clamps secure and insulated from accidental contact.

3

📟 Confirm The Voltage

Use the display as one basic check that the backup source is connected before proceeding.

4

🔧 Service The Battery Carefully

Follow the vehicle manufacturer’s battery-disconnection and reconnection procedure, then remove the memory saver when finished.

📋 PRODUCT DETAILS

Specifications

Product Type
OBD II Car Memory Saver Connector
System Voltage
12V Only
Material
PC / PVC
Colour
Green
Total Length
Approx. 135 cm / 53.1 in
Listed Working Temperature
-25°C to 55°C / -13°F to 131°F
📦 PACKAGE INFORMATION

What You Receive

1 × OBD II Car Memory Saver Connector.

⚠️ IMPORTANT USE & CARE NOTES
  • For 12V vehicle systems only. Never connect to a 24V system.
  • Check the vehicle owner or service manual before use; not every vehicle supports memory saving through the OBD II port.
  • Use only a suitable, stable 12V backup power source and verify polarity before making connections.
  • Keep positive and negative clamps from touching each other or unintended conductive surfaces.
  • Do not run high-current accessories such as headlights, heated screens, blowers or air conditioning while using the memory saver.
  • A memory saver does not guarantee retention of every electronic setting or module state.
  • Do not use on damaged wiring, damaged OBD connectors or where the vehicle manufacturer prohibits external backup power.
  • If you are not confident working around vehicle batteries and electrical systems, use a qualified automotive technician.
  • Wear suitable eye protection and follow battery manufacturer precautions when servicing lead-acid batteries.
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✅

30-Day Risk-Free Trial

Try your purchase with confidence. If you're not satisfied, you're covered by our 30-day risk-free purchase policy.

🚚

Free Shipping Within The UK

Enjoy free delivery to eligible UK addresses without an additional standard shipping charge.

🔒

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Complete your order using trusted payment methods including major credit or debit cards and PayPal.

⭐

4.7/5 Based On Real UK Customer Reviews

Rated 4.7 out of 5 based on genuine feedback from UK customers who have shared their shopping experience.

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REVIEWS

WHAT CUSTOMERS SAY



 

 

★★★★★

“I was pleasantly surprised by how neat the green connector and battery clamps looked when I opened the package. Our car needed a new 12V battery, so I checked the vehicle manual and had the memory-saver lead used with a suitable backup source while the battery was being replaced. I especially liked being able to see the voltage reading on the small digital display before the work started. The 135 cm cable gave us useful room to position everything, and the compact OBD II plug made the setup feel nicely organised. It's a clever little accessory to keep with my car-care tools.”

Michael R. — 

☑ Verified Purchase


 

 

★★★★★

“The first thing I noticed when this arrived was the straightforward layout: a green OBD II connector, a long lead and two easy-to-identify battery clamps. I keep a few accessories in the garage for routine car maintenance, and this came out during a compatible 12V battery service. After checking the car's instructions, we connected the backup source and used the digital readout as a quick way to check its voltage. What I really like is having the display built into the same lead rather than reaching for another gadget just to read the source voltage. The generous cable length and simple design are thoughtful touches, and it stores neatly with the rest of my tools.”

Daniel T. — 

☑ Verified Purchase


 

More Details
🔋 OBD II 12V Car Memory Saver | Voltage Display
$18.99