Simple Homemade Wireless Charging Case For Cell Phones – Weekend Hacker #1805


Build Video will be released next week

Full disclosure, I was going to make a charger from scratch…but it didn’t quiet work out, so I just got a premade kit. Wireless charging is available in most newer phones, but what about your trusty old phone? The one whose signal never failed, whose battery was easily replaceable, and whose headphone jack remained in tact. Time has not forgotten you old trusty phone! At least not by Tinkernut. In the video I take my old Samsung SIII (but any cell phone, smart or otherwise, should work), and give it a new case with the ability to charge wirelessly!

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How to make battery chargers 3 volts and 9 volts

Hello my friends i will show you how to make two chargers for 3 volts (two batteries 1.5 volts) and 9 volts battery in home very simple and easy.I make on different ways so you can choose which is best way for you. In first way you will connect directly wires. Positive wire to positive and negative wire to negative. And on second way you will need female connector. Both ways are practical for use and they are real no fake. To charge 3 volts batteries i use adapter from old mobile phone with 5 volts output. To charge 9 volts battery i use adapter from old panasonic wireless phone with output 9 volts.

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The things that you need

1. One charger with output 5 volts
2. One charger with output 9 volts
3. One female connector which is suitable to the charger 9 volts male connector (you can buy on local electronic market)
4. Battery holder for 2 batteries (1.5 volts)
5. One 9 volt battery connector
5.Two empty batteries 1.5 volts to test charging (try to find empty) and to be Rechargeable.
6. One battery 9 volts (try to find empty) and to be Rechargeable.

Tools that you need:

1. Multimer to check before and after voltage on batteries
2. Pliers
3. Soldering iron
4. Sealing tape
5. Glue

Breakdown – Take the Lead by Kevin MacLeod is licensed under a Creative Commons Attribution license





HyperJuice Magic Box, External Battery Charging System for MacBook Pro & MacBook Air

More information:
Check Magic Box prices on Amazon:
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Keiko Alingas checks out the HyperJuice Magic Box, a very cool and useful external battery charging solution for MacBooks.

For more information, log onto


How to make a Portable USB cell-phone charger

How to make a portable USB cell-phone charger for iPhone, iPod, MP3, MP4 with your own hands.
Using battery, wires, USB automobile charger you can make a portable charger for your cell-phone, iPod, MP3 player or any other gadget with your own hands easily.
Constructing it with your own hands we get a universal charger for a cell-phone, iPod, MP3, MP4…

Main channel:

Welcome to my channel Roman UrsuHack where you will learn how to make hand made crafts, New Year crafts, presents, toys, Halloween scares. The main thing is that one can make it at home and with one’s own hands.
You are interested in handiwork, craft or you just have nothing to do, haven’t you? You have found the channel you really need. Here you can find lots of crafts, hand made items, and the main thing is that they all made of make-shifts and at the lowest cost!


EEVblog #176 – Lithium Ion/Polymer Battery Charging Tutorial

Want to include a small Lithium Ion or Lithium Ion Polymer battery into your next project? It’s easy! Dave gives you the low down on how they work and how to charge them and select a suitable charging IC.
NOTE: For safety you should always use circuit protected cells as per the larger cell I was holding up. It protects against over-discharge, over-voltage, shorts etc.
(BTW, the reference to Lithium Ion Polymer being the same as Lithium Ion is in terms of charging, if that was not clear. The Ion Polymer type have polymer anode material and hence a different construction that allows the small pouch type cells shown in the video, and other thin odd shapes shown toward the end)