Make-batteries

How To : Make Your Own Homemade Glow Sticks

Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...more

How To : Make a 200mw burning laser

Don't use a perfectly good DVD burner to get your laser that will pop balloons, light matches, and burn stuff. Just buy a laser diode at mfgcn.com and also a laser housing, and you won't be tearing a computer DVD player apart. This is the easy way to make a 200mW burning DVD l ...more

How To : Hack a 9-volt battery

Want AAA batteries for cheap? Learn how to hack a 9-volt battery with this money-saving video tutorial from Make Magazine's Kip Kay. All you'll need to replicate this hack at home is a pair of needle-nosed pliers and one or more Energizer 9-volt batteries. For instructions on ...more

How To : Uninstall Malware from Your Android Device

Let's say you got a little careless while installing apps from unknown sources, and now your Android device has been infected by malware. Or perhaps your friend has come to you for help after they had haphazardly installed random apps until their phone was filled with popups a ...more

How To : Build a Mini Hovercraft

Create a miniature hover craft from the fan, polystrene or Styrofoam plate, batteries and double-sided scotch tape. It really works. Powered by two 9 volt batteries you can use paper plates for the body of the hovercraft if need be. This is a cool cat toy or just a household h ...more

How To Make A Coil Gun : Turning Electricity Into Velocity

In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more

How To : 11 Weird & Wonderful Uses for Magnets

Other than sticking your crayon drawings onto your refrigerator door, magnets have a variety of unexpected and sometimes surprisingly practical uses, ranging from keeping your chip bags sealed to creating weird patterns on your nail beds using magnetic nail polish. The strong ...more

How To : Recharge non-rechargeable batteries in seconds

This how-to video will show you how to zap charge a non-rechargeable battery with only two wires and a car. Sounds cool, and fun, unless of course you zap yourself. Watch this video circuitry tutorial for more information on this simple, money-saving hack.

Making Electromagnetic Weapons : EMP Generator, Part One

In this series, I'll be exploring electromagnetic weapons, how to build them, their function and application to the future, and the amazing possibilities electromagnetism has to offer. First, the electromagnetic pulse generator, or EMP. You've probably heard of these before, a ...more

How To : Hack a dead laptop battery

Is your laptop not holding a charge anymore? Don't buy a new one, hack the old one! Laptop batteries can cost upwards of a hundred dollars, but with new lithium batteries and some soldering tools, the new one works just as well. Watch this video computer circuitry tutorial and ...more

How To : Make a DIY Battery-Powered USB Charger

With portable devices being a necessity in modern everyday life, they may be subject to overuse, improper charging, or normal wear and tear. For those people who carry around their smartphone or iPod with them all of the time, how many times have you been out and about just to ...more

How To : Charge your cell phones with normal batteries

So you're on a trip and you forgot to bring a cell phone charger. Don't want to spend 30 dollars, but need to have your cell phone on? This video will teach you how to charge your mobile phone with regular batteries. All you will need are: a charger plug, resistor 2, cell phon ...more

How To : Make an electrical lighter

Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this c ...more

How To : 9 Tips for Maximizing Your Laptop's Battery Life

Whether you just got a brand new laptop or you've had an old notebook for several years, it's in your best interest to maximize your laptop battery life so you get the most out of your computer. Make sure you "work" the juice in your laptop batteries by unplugging your laptop ...more

How To : Hack a 12-volt Battery for 8 1.5-volt button cells

Interested in getting 1.5-volt button cell batteries for pennies on the dollar? Kip Kay, of Make Magazine, is here to show you how. The trick is to buy Energizer A23s, each of which contains 8 1.5-volt button cells. For detailed instructions on this straightforward money-savin ...more

How To : 8 Weird, Non-Food Uses for Your Freezer

Other than keeping your popsicles and frozen veggies frosty, who would have thought that your everyday freezer had so many uses? Just like your dishwasher can be used for many non-cookware items, the freezer can be used in a variety of useful ways that don't involve perishable ...more

How To : Get 6 AAAA batteries from a 9V battery

Take apart a 9V battery and turn it in to Six AAA batteries. This way you save money. amazing science experiment trick. This is a simple battery deconstruction that results in a 9 volt battery's dissection into six AAAA batteries. They are not AA or AAA, but a kind you won't f ...more

How To : Add battery power to a Power Wheels Jeep

So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of ...more

New Game by Hasbro : Electronic SCRABBLE Flash

Nope, this isn't a flash game version of SCRABBLE. There's already one of those (and a multitude of imitations) for the Apple iPhone, iPod, and Facebook. This is an electronic game, and it's not a "handheld" game like the SCRABBLE Pocket Pogo Touch Screen Game (pictured right) ...more

How To : Breadboard a DIY USB power supply

While breadboarding may seem like some odd combination of snowboarding and consuming the fluffy pastry at the same time, it's actually just the technical term for using a construction base to build a prototype electric circuit. Breadboards are solderless so they're great for c ...more

How To : Fix Delayed Notifications on Your Galaxy S8 or S8+

The Note 7 debacle taught Samsung an important lesson on cramming oversized batteries into their handsets, and they've applied it diligently to their Galaxy S8 and S8+. You might even say the company has gone a little too far in trying to achieve a balance between battery size ...more

How To : Make a burning laser pointer that produces heat

In this video tutorial, viewers learn how to make a burning laser pointer. Users will just need a regular 5Mw green laser pointer. Begin by unscrewing the top of the laser pointer and take out the batteries. Carefully with a pair of pliers, break the glue seal and remove the l ...more

How To : Make a rechargeable, solar-powered USB battery

An emergency battery charger for your mobile phone comes in handy, but it's not the ultimate solution; once it's dead it's useless (what a waste). If you want to really get off the metaphorical grid, you can follow the steps in this video to construct a more robust circuit tha ...more

How To : Replace an iPhone battery

Let's face it—batteries are Apple's only real downfall when it comes to their products, and the iPhone is no exception. If you're constantly recharging your iPhone's battery, it's probably time for a replacement (battery, not iPhone). You can choose to hand it over to Apple, ...more

How To : Make Homemade Smoke Flares with Fuses

Here's a technique I used to whip up a batch of super cheap and easy to make smoke flares! WARNING: Ignition of an incendiary or explosive material may not be legal in your area, so check local laws before attempting. Use of this video content is at your own risk. Video: . Th ...more

How To : Hack a six volt lantern battery

Find out how to use a six volt lantern battery to really save you money. This is no con, or prank, or joke that involves 32 AA batteries; this is the real deal. Just watch this money saving video tutorial to see how to hack a six volt battery. You can easily replace a few of t ...more

How To : Turn an Ordinary 9-Volt Battery into a Secret Safe

Sometimes the best way to hide things is in plain sight. Whether you're trying to sneak some medication past security at a concert with a zero-tolerance policy, or you're just worried that maybe Omar comin', YouTuber MrGear has a clever way to put your mind at ease. In the vi ...more

How To : Use an old laptop battery for other things

Batteries are fairly expensive. There are a few tricks you can use, storing seeming depleted batteries in the fridge, etc. Take a look at this instructional video and learn how to use a battery from an old broken laptop for other things. The batteries in this video are 18650 b ...more

How To : Make LEDs Dance to Techno Music

You must have seen some expensive mp3 players and CD players which have LEDs fixed on them and they dance to the tune looking really pretty. Imagine you could make your own LEDs and configure them to dance to Daft Punk or Swedish House Mafia. I’m going to tell you how it can ...more

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