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Buy MPD BK-18650-PC4 Battery tray 2x 18650 Through-hole (L x W x H) 77.7 x 40.21 x 21.54 mm | Conrad Electronic
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10Pairs 18650 Battery Contacts Spring Contact Band Plate 18*15MM Connector Positive Electrode Negative for Box/Power Bank - AliExpress
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Reprinted the giant battery pack for my xbox controller using an awesome looking translucent filament. Also used 18650 battery contacts for the case this time. : r/functionalprint
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10Pairs 18650 Battery Contact Spring Contact Band Plate 18.5*16MM 16.5*16mm Connector Positive Electrode Negative Box/Power Bank
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