K+ 3D Printed Li-Ion Battery Power Bank DIY Kit

Whether you’re traveling across the country or just across town, you’re bound to find yourself in a situation where wall outlets aren’t available when you desperately need to juice up your laptop or smartphone. To help ensure that all your devices have enough power until you get to your destination. You’ll find a range of options, including all-in-one powerhouses like the Omnicharge, MagSafe battery packs that pop right onto the back of your iPhone.

In this project we built a 300w 3D Printed Li-Ion Battery power Bank. Below is our objective for the project. Our goal for the project is to be able to 3d print a power bank with ac outlets that is easy to build and assemble. Below is our objective for the project.

 

K+ 3D Printed Li-Ion Battery Power Bank DIY KitK+ 3D Printed Li-Ion Battery Power Bank DIY KitK+ 3D Printed Li-Ion Battery Power Bank DIY Kit
K+ 3D Printed Li-Ion Battery Power Bank DIY KitK+ 3D Printed Li-Ion Battery Power Bank DIY KitK+ 3D Printed Li-Ion Battery Power Bank DIY Kit

 

Project Objective

  • 3D Printed under 24 hours with only 7 parts
  • Must be easy to build and use
  • Must be easy for kids to learn
  • Fully customizable with different power usage
  • Must be practical and reliable

Parts Needed

-3D Printed Part (You can print it yourself by downloading from our library or you can click here to buy the printed parts)

-Lithium-Ion Battery Cells (15pc) https://amzn.to/3Mr7ozC

-300W Car Power Inverter (Red) https://amzn.to/3zofuGq

-DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator Input 3.2V-40V Output 1.25V-35V https://amzn.to/3tn30v0

-3S 11.1V 12.6V 25A W/Balance 18650 Li ion Lithium Battery PCB Protection Board https://amzn.to/3Ntm8zr

-45W Ac Adapter/Laptop Charger for HP Chromebook 11 https://amzn.to/3Q0Rijr

-DC Power Jack Socket Threaded Female Panel Mount Connector Adapter with Dustproof Plug https://amzn.to/3xfkMkH

-Nilight 90013L Round Toggle LED Switch 12V https://amzn.to/3thznv6

- DC 12V 24V 36V 48V 72V Battery Meter with Alarm, Battery Capacity Voltage Indicator https://amzn.to/3zmWZlU

-XT60 Connectors Male & Female Plug  https://amzn.to/3zn5Tzz

Tools

-FDM 3D Printer with minimum height of 150mm https://amzn.to/3xfEHA4

-Portable Spot Welder Machine 6 Gear Adjustable Mini Small Battery Spot Welder https://amzn.to/38WdzxY

-Digital Multimeter https://amzn.to/3xzQrix

-Soldering Iron Kit with heat gun https://amzn.to/3NwnF7Y

  

Schematics & Build

K+ 3D Printed Li-Ion Battery Power Bank DIY Kit

The assembly is simple and straight forward. The battery cells used in this project are NCR18650BE Panasonic with a 3.6v and 3.2ah. The Inverter comes with 2 usb ports, 2 ac outlets, and a fan. The li-ion battery cells and the bms have a 3D printed compartment that makes the pack easy to build.

 K+ 3D Printed Li-Ion Battery Power Bank DIY Kit

 

Credits: The power Bank design in this project was inspired by Kraylin3D Power bank model with modifications. Idea from Diallo Mamadou Saliou

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