Things You'll Need:
- Tungsten PDA
- Soldering iron
- Wire solder
- Phillips-head screwdriver
- Replacement battery
- Towel
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Step 1
Turn the Tungsten face down on a flat surface on a folded towel to protect it from scratches and prevent the device from sliding around.
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Step 2
Remove the four screws in the corners of the back cover using a small Phillips-head screwdriver.
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Step 3
Slip a thin, flat blade screwdriver between the back and front covers, slowly prying the back cover up and off by working the flat blade around the edge.
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Step 4
Locate the battery pack in the upper-left corner of the Tungsten. The battery pack is off-white and attached to the PDA by two wires--one is red and the other is black.
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Step 5
Lift the battery pack out of its compartment.
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Step 6
Use the soldering iron to separate the wires from the terminals inside the battery compartment, making a note of the wire connections.
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Step 7
Reattach the new battery with the soldering iron and a small drop of solder to secure each of the two wires, taking care to attach the red and black wires to the same terminals as the old battery connections.
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Step 8
Snap the back cover on the housing and reattach with the four screws.
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Step 9
Turn on the Tungsten to test the operation, then charge the new battery if necessary.
