Summary

Thanks nshaver for the original design
A new adapter cover to cover the whole bottom to prevent shorting out the copper terminal. Use glue after insert the copper plates.
Add two screw insert holes at both side.
Make the bottom of the opening side thicker.

If like my design, buy me a coffee!
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Print Settings

Printer Brand:

Other

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>DIY printer</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>20%</p></div></p>                                                                                <p class="detail-setting filament_material"><strong>Filament Material: </strong>                     <div><p>PETG</p></div></p>

Kobalt Battery Adapter remix