Introduction
Here, you will be working with live wires on a power source! Be very careful when you desolder them, and make sure you don't let the leads touch!
What you need
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To replace your battery, you must reinsert the Battery leads into the Motherboard, being sure that the Red wire goes into the + (positive) terminal and the Black wire goes into the - (negative) terminal.
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Apply heat and solder to each lead individually.
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Remove any excess solder if flooding occurs.
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To replace the battery, you must re-solder the leads on the battery into the motherboard. You MUST make sure that the leads were in the correct order as when you started.
1 Guide Comment
Is it possible that the wiring to the battery just became loose and I could use these same directions and reconnect or solder (or do both?) The existing battery ?