9 Volt Battery Backup

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bradleonard

Copper - Posts: 94

Joined: August 12, 2002

Location: United States

Posted: December 01, 2003 at 1:20 AM / IP Logged

Hey I am looking for a diagram explaining how to build a 9 volt battery backup that will maintain presets and other computer information with the vehicle battery is disconnected. Do any of you use such a device when you disconnect the battery? If no one has a diagram, let me know where i can buy one, or even brand and model name of the device.

Thanks

werd

defective

Silver - Posts: 642

Joined: August 20, 2003

Location: Canada

Posted: December 01, 2003 at 1:54 PM / IP Logged

umm... i'm not sure of where to buy it but i've seen devices that you plug in the cigarette lighter socket and they will perform this function, sorry for no links

auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: December 01, 2003 at 6:26 PM / IP Logged

As far as I was aware, all this is, is a cig lighter plug with a 9V battery tied to it.

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bradleonard

Copper - Posts: 94

Joined: August 12, 2002

Location: United States

Posted: December 02, 2003 at 1:30 AM / IP Logged

well there is more to it, there is some ciruitry that prevents backfeeding and something else from occuring.

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9 Volt Battery Backup

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