Charging Battery Search Results

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 learn how to hack a dead laptop battery.

How To: Keep your laptop battery safe and secure with four tips from CNET

Millions of laptop batteries have been recalled because of the risk of FIRE. Get some tips from CNET to learn how to keep your laptop battery safe and secure. First, make sure your battery hasn't already been recalled. Second, don't leave the laptop constantly charging because it heats it up. One way to save your battery is to remove it completely when you plug in directly. Third, treat the battery as fragile. And finally, four, avoid buying knockoff batteries.

How To: Build a portable power pack

If you're a geek, then this power pack will give you a total techgasm. The power pack allows you to charge pretty much anything you can fit into a 12 volt power jack in your car (where the cigar/lighter receptable goes). The power pack is a portable battery, so no need for charging your gadgets - like your cell phone - at home first before you head off to work.

How To: Get started with the Nikon D40 & Nikon D40x

It is a tutorial that explains the basic guidelines of Nikon D40 and D40x cameras. This enables everyone to take photographs successfully and prepare the camera for use. Attach the lens of the camera by rotating towards the right; make sure that no dust gets into the camera. Then remove the protective cap from lens and align the white dot on the lens with the white dot on the camera's body. Turn to the left until it clicks in to place. First, we must charge the camera's battery; when the LED ...

How To: Make a Survival Light Source

This is just a simple survival light source. You can use a cheap outdoor solar yard light like the one in the video from walmart. There only about 3 to 5 bucks but you can use them not only as a light source but a way to recharge AA rechargeable batteries.

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).

How To: Load a testing battery in your car

The battery is one of the most important pieces when it comes to your car. Not only does it help provide energy to certain areas of your car, but it's also a life force for it as well. No battery, no starting your car. So it's important to make sure that you always check your battery to see if it's charged and working. In this tutorial, you'll find out how to load a testing battery in your car. It's easy to follow and you'll be glad you did. Good luck!

How To: Make your own 6v battery pack for the Vivitar 285HV

You can make your own 6 volt battery pack for the Vivitar 285HV camera. The Vivitar 285 is known as the "cockroach" flash because it is well put together and it is very hard to kill the flash. Manual mode settings and the color setting are explained briefly. Instead of using four double A batteries to power this flash you can make your own 6V battery to power it. This is beneficial because the 6V battery will last longer and some of them have the ability to be charged up.

News: The End of Dead Phone Batteries Is Closer Than You Think

The old "my battery is dead" excuse for not calling your mother may soon be a thing of the past. A team from the Korea Advanced Institute of Science and Technology (KAIST), led by Professor Jo Byeong-jin, has developed a "wearable thermo-element" that can be built into clothing to power your electronic devices. The science behind the innovation converts body heat (thermal energy) into usable electric energy. Made with lightweight glass fiber, this small thermo-element strip can produce about ...

News: This DIY Passion Fruit Battery Can Power Lasers!

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a laser. Passion fruit, or Lilikoi as it's called in Hawaii, is usually over-abundant in Maui, so Ryan decided to put it to good use. Using anodized bolts, copper pipe, wire, switches, and some LEDs, he built a battery that c...

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 circuit design and are reusable.

How To: Easily make an electromagnet

Ready to play scientist? This video will show you how to make a cool electro magnet out of a 9 V battery, a 9 V battery connector and parts from a Nokia phone charger. Use a fully charged battery for stronger magnet. Then solder the two parts together and plug in your battery. And just like that you’ve created a powerful yet simple magnet. Try picking up different things and use different batteries to test the difference in strengths . See science can be a whole lot of fun. Put on some funky ...

How To: Start a fire with steel wool & a 9vt battery

This video shows the viewer how to start a fire using a steel wool and a 9 volt battery. This is done by first selecting a charge battery and clean steel wool. The gently rub the battery terminals across the steel wool and blow gently. The wool should glow and become superheated. This happens because the battery is short circuiting and the very thin steel wool is being melted by the high current. Once the steel wool is hot it can be used to ignite small pieces of flammable material such as ki...

How To: Keep RV batteries in good condition

The RV Doctor, Gary Bunzer, tells us tips on how to keep RV batteries in good condition. •If you stay in camp grounds a lot or leave the couch plugged in during periods of non-use, one of the things you need to know is the boiling out the electrolyte on the auxiliary battery.

How To: Replace your iPhone battery

Apple has locked down the iPhone battery, which means that once it can’t hold a charge, you need to send it in. If you’d rather just buy your own battery and replace it yourself, we’ve got your hookup. Nate and I got together to film this this tutorial, which shows how to replace your iPhone battery. Heck, even if you have decided that you will never open up your iPhone on your own, we think it’s still pretty cool to see the process - so just hit play, okay?

How To: View the Battery Percentage Indicator on Your iPhone 11, 11 Pro, or 11 Pro Max

There are plenty of jokes out there about the battery indicator on iPhones. Some people complain about their iPhones dying randomly at 11%, while others see hours of use at the 1% mark. Despite its inconsistencies, that battery percentage is a useful tell for how desperate you need a charger. There's just one problem: the icon is hiding on your iPhone 11, 11 Pro, or 11 Pro Max.

How To: Save a cell phone after dropping it in water

In this tutorial, we learn how to save a cell phone after dropping it into water. First, dry the phone off as soon as it gets wet then remove the battery and SIM card if you have one. Now, dry the crevices and all small areas of the phone with a towel. Once you have dried the phone out completely, let it set for over a day and it should work again. If it still doesn't work, charge the phone without the battery in it. If the phone works, you just need a new battery, not a new phone.