How to Make a Smartphone Battery Power Bank ⚡

About: Hello, I am a French YouTuber who shows you every week how to make an DIY project !

↪ Hello, it is SuperTech and today I am going to show you how to make a smartphone power bank from an old laptop !

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Step 1: Watch the Video !

↪ The video show you all the steps to make the project with English subtitles.

Step 2: Order Your Parts !

Material List

↪ 1 external battery box: (https://goo.gl/GDW1TQ)

↪ 4 batteries (from old laptop or https://goo.gl/p3CaXp)

Step 3: Follow the Diagram !

↪ Follow this diagram to avoid making mistakes.

Step 4: Ask Me Questions !

↪ If you have questions or have a problem, let me help you.

↪ Join my ⚡ YouTube channel with videos every week ! (https://www.youtube.com/SuperTechUS)

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    3 Discussions

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    PospaPunk

    1 year ago

    How much current can you draw from this case? Some of them are set to only 0.5 Ampers. Also is there some kind of undercurrent protection? (Some of them has auto-shutdown when there's low current draw. It is not suitable for powerinv low power devices like Arduino Nano). But anyway - good job!

    1 reply
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    SuperTechFRPospaPunk

    Reply 1 year ago

    Hello, the box has 2 output that can drag 1A or 2A ! But I did not check the values, they may be overestimated :) About undercurrent protection, I dont know :-/ Thank you very much and sorry for my bad English ^^

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    Swansong

    1 year ago

    Thanks for sharing :)