Emergency Power Bank(DIY)

by Useless Engineer in Circuits > Mobile

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Emergency Power Bank(DIY)

How to make a power bank

Hi friends

In this instructable we are going to see how to make a power bank out of AA batteries

Things Required

  1. battery box
  2. AA battery
  3. OTG cable
  4. USB charging cable

Screenshot_2017-10-26-17-24-07-804_com.miui.videoplayer.png

solder the battery holders together to form a 4AA size holder

Screenshot_2017-10-26-17-24-28-385_com.miui.videoplayer.png

Then solder the battery box with OTG cable

Screenshot_2017-10-25-20-27-33-843_com.cyberlink.powerdirector.DRA140225_01.png

Now place the battery on the battery box

Screenshot_2017-10-26-17-24-55-032_com.miui.videoplayer.png

Now connect the phone with the USB cable

.Then you can able to see the phone is charging