Introduction: 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:

Step 1: Connect the Device

Use your cable for connect the device to your Car charger

Step 2: Use the Key

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

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

Step 3: Connect the Battery

Now you have finish

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

thank you for your attention

-Ludvic

Comments

author
FernandoZ3 (author)2015-06-18

Can I make this with smaller batteries like the CR2032 and LR44 batteries

author
Ludvic (author)FernandoZ32015-06-18

What is the voltage of the CR2032 and LR44?
If is low under 4 volt you can connect in series

author
idkrandow (author)2015-04-22

Im doing this for a science fair project. Not going so well. :(

author
Ludvic (author)idkrandow2015-04-22

Why? What is the problem?

author
seamster (author)2014-09-10

Great idea!

author
idkrandow (author)seamster2015-04-22

yeah great idea!!!!!!!!!!! :D XD

author
BobbyJ1 (author)2015-01-12

I made one of these out of similar ways. If you take the part that goes into the 12V outlet apart, you'll find you can make this but smaller than the 9V battery.

author
hadi6haidar2000 (author)2015-01-11

i tried it and it is not stable

author
sagarthe007 (author)2014-12-04

can it does not effect the battery of the phone because i heard that if we use more voltage than the required than the battery life goes less and it is dangers for mobile battery because there is varitation in the voltage during charing.

author
pyyzi (author)2014-11-09

Does this effect to battery?

author
Steefen Turtle (author)2014-10-18

haha this is amazing, made a case for it and works like a charm!

temp_-683137494.jpg
author
elizila (author)2014-10-13

Worked so well!!!

author
davidjohnson87 (author)2014-09-12

Nice info thanks for sharing, well I am having this http://www.sfcable.com/2029-SF-17.html will it work!!

author
nqtronix (author)2014-09-10

I just love this kind of 'ibles!

It's simple enough to be actually useful in an emergancy situation, everything needed are just a few very common items and the great idea, which is so easy, it's highly unlikely you'll forget about it anytime soon.

Thanks for making instructables worth reading. Thumbs up!

author
mherman81 (author)nqtronix2014-09-11

My thoughts exactly!

author
fzumrk (author)2014-09-11

If you wanted to create a permanent hands free version, you could probably solder one of these

http://www.amazon.com/Parts-Express-9V-Battery-Cli...

to one of these

http://www.amazon.com/GTMax-Charger-Vehicle-Power-...

author
CREATECRAFTANDLIVE (author)2014-09-11

This actually works really well, especially if you hook up multiple batteries together by soldering wires

author
Pure Carbon (author)2014-09-10

This looks really cool.

author
Ginga-Ninja (author)2014-09-10

I made an instructable about this but, I really like your scenario and basic materials! Good job

author
JM1999 (author)2014-09-10

Just make sure you o this with a piece of metal about the size of a key, it is also a cool expirement to get a fully charged battery like the one in the photos an bridge the two terminals with a piece of steel wool, it glows red hot an then burns up!

author
92YJ (author)2014-09-10

This is great and simple! My daughters love their phones and science so
I know what I’ll be doing this weekend on a rainy day. Thanks for the
instructable it was great.

About This Instructable

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Bio: Hi, My name is Luigi "Ludvic" for the friends, I really like the recycle, the technology and the Chemistry, another of my hobby is Videomaking ... More »
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