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Ultimate 18650 Power Bank with Infinitely Expandable Capacity

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29 files (SLDPRT, STL, and ZIP) Close
  • 18650_Power_Bank_Full_assembly_packed.zip
    • 12V 150W inverter.SLDPRT
    • 12V to 5V USB.SLDPRT
    • 18650 battery.SLDPRT
    • 200W boost converter 10A.SLDPRT
    • 20A relay.SLDPRT
    • 3s 25A BMS with balance.SLDPRT
    • 60x10mm fan.SLDPRT
    • AC Socket.SLDPRT
    • Adj Knob.SLDPRT
    • Adj bracket.SLDPRT
    • Battery Holder Top Cap.SLDPRT
    • Battery Holder base part.SLDPRT
    • Battery compartment Top - Copy.SLDPRT
    • Battery compartment base.SLDPRT
    • Battery locking mechnism base.SLDPRT
    • Bottom Cap.SLDPRT
    • DC Jack.SLDPRT
    • Electronics body mid layer.SLDPRT
    • Electronics body top layer.SLDPRT
    • Electronics body.SLDPRT
    • Full Powerbank Assembly.SLDASM
    • IO shield.SLDPRT
    • Inscription.SLDPRT
    • Locking Shim.SLDPRT
    • Locking mechnism lid.SLDPRT
    • Outer sleeve.SLDPRT
    • Potencometer.SLDPRT
    • Pull Tab.SLDPRT
    • RGB controller cover.SLDPRT
    • Rotate lock.SLDPRT
    • Step down converter Constant current.SLDPRT
    • Switch.SLDPRT
    • Temperature switch.SLDPRT
    • Top Cap.SLDPRT
    • USB C Female.SLDPRT
    • Voltmeter and switch brcket.SLDPRT
    • Voltmeter.SLDPRT
    • Wireless charging circuit.SLDPRT
    • Wireless charging coil.SLDPRT
    • XT60 female.SLDPRT
    • XT60 male.SLDPRT
  • ABS_or_PETG-_Battery_Holder_base_part-1.STL
  • ABS_or_PETG-_Electronics_body_mid_layer-1.STL
  • ABS_or_PETG-_Electronics_body_top_layer-4.STL
  • ABS_or_PETG_-_Battery_Holder_Top_Cap-2.STL
  • ABS_or_PETG_-_Electronics_body-1.STL
  • Battery_compartment_one_piece.STL
  • Full_Powerbank_Assembly_-_Adj_Knob-1.STL
  • Full_Powerbank_Assembly_-_Adj_bracket-2.STL
  • Full_Powerbank_Assembly_-_Battery_locking_mechnism_base-1.STL
  • Full_Powerbank_Assembly_-_Bottom_Cap-1.STL
  • Full_Powerbank_Assembly_-_IO_shield-2.STL
  • Full_Powerbank_Assembly_-_Inscription-1.STL
  • Full_Powerbank_Assembly_-_Locking_Shim-1.STL
  • Full_Powerbank_Assembly_-_Locking_mechnism_lid-1.STL
  • Full_Powerbank_Assembly_-_Outer_sleeve-2.STL
  • Full_Powerbank_Assembly_-_Pull_Tab-1.STL
  • Full_Powerbank_Assembly_-_RGB_controller_cover-1.STL
  • Full_Powerbank_Assembly_-_Rotate_lock-1.STL
  • Full_Powerbank_Assembly_-_Top_Cap-1.STL
  • Full_Powerbank_Assembly_-_Voltmeter_and_switch_brcket-1.STL
  • IO_shield_with_USB_C.SLDPRT
  • IO_shield_with_USB_C.STL
  • Outer_sleeve_NO_LED.SLDPRT
  • Outer_sleeve_NO_LED.STL
  • USE_THIS_IF_U_CANT_OPEN_THE_OTHER_ONE.SLDPRT
  • Voltmeter.SLDPRT
  • XT60_female.SLDPRT
  • XT60_male.SLDPRT

Learn more about the formats
Publication date
Design number 134590
ellisdrake21

ellisdrake21

Issue with this design? Report a problem.

3D printer file info

3D model description

Full Build guide: https://www.youtube.com/watch?v=0jRsltIW8qM&lc=z235yfex0v3hzldc4acdp432jmqwfhyhzei1bhyiu0lw03c010c

Purchase links and schematics are in the YouTube video description. Be aware that this is a relative extensive project.

Print settings:
All parts are printed at 0.2mm layer height (except for IO shield)
3 walls and 35% infill for all.
Some files need to be printed using ABS or PETG to avoid melting.
IO shield is printed using 0.2mm Nozzle and 0.15 layer height with a filament swap in between.

Download the CAD files to see how this power bank comes together.

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All categories › Tools › 3D printing & accessories

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