How to Clean Corroded Battery Terminals

Memory Saver Backup Battery

• Having a 12-volt backup battery will save all the memory stored in your car’s computer, radio and clock.

• Connect it directly to the battery terminals before disconnecting them. Or plug a 12-volt power source directly into a cigarette lighter or OBD II port.
• It’s very important not to connect the positive and negative leads together or you will blow a fuse.

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