Emergency Charge for Your Smartphone

Hi makers

in this instructables i show how to make a simply emergency charge battery.

you need only few components:

-9 volt battery

-Key (or other metallic conductive object)

-charge battery

-the cable for your device

if you want, here you can see the video of this ible:

Use your cable for connect the device to your Car charger

Use your Key to create a Bridge for your contact, in this case the Minus.

remember to NOT Confuse the two poles (+,-)

Now you have finish

you only connect the battery and your smartphone begin to charge!

thank you for your attention

-Ludvic