New First Game Boy Battery Terminal Battery Contact Battery Box Spring

This is a battery box for the first Game Boy (DMG-01). Attach the red circle to the red circle area, and the green circle to the green circle area. Please be assured that the spring shown in the 3rd image is extended, but we will ship the unused item from the 1st image. Please note that soldering iron is required to attach the red circle part.

[Example Uses]
・Power does not turn on
・Battery leakage
・Water leakage
・Rust
・Battery does not fit properly
・Maintain longevity