Performance Tool W89203 Computer Memory Keeper with 9V Battery

The Performance Tool W89203 Computer Memory Keeper is an essential tool for maintaining vehicle electrical settings during battery service or replacement. This device preserves voltage continuity to your vehicle's engine computer, clock, radio presets, and other electronic memory systems when the main battery is disconnected.

Key Features:

• Maintains power to vehicle electronics during battery disconnect
• Plugs directly into vehicle cigarette lighter outlet for easy connection
• Powered by standard 9-volt battery (included or separate depending on package)
• Prevents loss of radio presets, clock settings, and computer codes
• Eliminates the need to reprogram vehicle systems after battery service
• Compact and portable design for professional or DIY use

This memory saver is ideal for mechanics, technicians, and car enthusiasts performing battery replacements, electrical repairs, or routine maintenance. Simply plug the device into your cigarette lighter socket before disconnecting the battery to keep all your vehicle's electronic settings intact.