Battery Search Results

How To: Increase car safety, reliability, and longevity

This video gives helpful information to increase your car safety, reliability and longevity and how you can do most of the checking yourself. Checking the tires is a safe way to start with safety maintenance. Check pressure while the tires are cold and the pressure correctly by using you owners manual or by the identification sticker inside of the door jam and not by just what's written on the side of the tire. Next is the tire condition such as the tread depth for regular ware and for the we...

How To: Use jumper cables to jump start a car

This video explains how to use jumper cables to jump start a car. First, determine that a dead battery is the reason your car is not starting. If the engine cranks when you turn the key, the problem is not the battery and jump-starting won't help. If the windshield wipers, lights and heater blower all work, the battery is probably fine and you may have a bad starter. A jump-start won't help if you have a bad starter. If you hear no sound at all when you turn the key or if the engine cranks ve...

How To: The Best Phones for Watching Movies & TV Shows — Under $500

You might think you need to buy a thousand dollar phone to get a great experience while streaming movies and TV shows from services like Netflix, Hulu, and YouTube, but that's just not true anymore. While phone prices keep rising and the midrange segment now ranges from $300–$500, there are still cost-effective options that come with top-notch displays and media features.

How To: iPhone Not Charging Past 80%? Here's Why (& How to Fix It)

So you've been using iOS 13 for a little while and noticed your iPhone is pretty slow to charge. Using the 5-watt power adapter out of the box, in the time it used to take your iPhone to charge its battery to 100 percent, your iPhone is stuck at 80% or below instead. That's because Apple introduced a new feature in iOS 13 that slows down charging — but for a good reason.

How To: Jump start a car quickly and easily

This video shows how easy it is to jump start a car properly. Locating the car manual is the first thing to do. It will help for that particular car. Inspect the dead battery. If the battery is cracked or if the liquid inside of it is frozen, don't jump the cars. The battery could explode. Position the cars so that the batteries are as close as possible. Connect the positive cable (red) to the positive terminal (+) of the dead battery. Connect the other positive cable to the positive terminal...

How To: Make Sure Your Galaxy S20 Doesn't Drain Itself Too Much When Charging Other Devices

The Galaxy S20's Wireless PowerShare is a must-use feature. With even the base model packing a 4,000 mAh battery, you have more than enough juice for all your Qi-enabled devices. The default settings make it so that in certain situations, you may have to choose between your phone or wireless earbuds, but you can change that.

How To: A Smartphone User's Guide to Surviving Thanksgiving

The holidays are stressful. Between traveling, family, and dinner, Thanksgiving weekend can feel like weeks. Many families have traditions that make the days long, but some of us would rather curl up somewhere and watch our favorite shows. But all is not lost — our phones do so much for us now that they can help make the long stressful weekend much more bearable.

News: World's Simplest Electric Train

The trick in the video is that the magnets are made of a conducting material and they connect the battery terminals to the copper wire, so the battery, magnets and copper wire make a circuit that generates a magnet field just in the vicinity of the battery. The geometry means the two magnets are automatically at the ends of the generated magnetic field, where the field is divergent, so a force is exerted on the magnets.

How To: The 5 Best Phones for Streaming Videos from Netflix, Hulu, YouTube & Amazon Prime

For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to fit this need, so we did some testing to find the best of the best when it comes to streaming videos.

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 and battery life, as it not only not only sets screen resolutions to 1080p by default and warns users about maxing out display brightness, but it also keeps close tabs on individual apps' battery usage.

How To: Build a portable personal heater

In this video, we learn how to build a portable personal heater. This is a great weekend project that is easy to make and will keep you warm during a freezing winter. You will need: two double a batteries, charger, twin double a battery charger, winding wire, and balsa wood. First, cut the wood the size of the battery holder and cut it out. Now, reel off 30 ft of winding wire and hold down with duct tape. Wind the wire around the piece of wood and tape down the other end of the wire. Scrape o...

How To: Make a homopolar motor

This video shows you how to make a homopolar motor. First of all things you need to make motor are AA battery, couple of magnets and copper wire. Now take magnet and attach it to the negative end of battery, now take a copper wire and bend it to the shape shown in the video and place it over the positive end of the battery, now you will see that wire starts rotating. Now to make a stand take a small plastic lid and two pieces of rubber magnet then place magnets to both the sides of the lid an...

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: Disassemble a first-generation iPod Touch

This video describes how to take apart a first generation iPod. To open the iPod, the video recommends using a putty knife or similar flat tool to gently ply open the casing. The presenter recommends being especially careful if this is the first time opening the casing. Once you have the first side open slightly wide work your way around the casing, making sure the entire casing is spread evenly around. Once all the sides are loose, the back casing just slides off. There are then two componen...

How To: Properly charge your iPhone or iTouch

Learn how to properly charge your iPhone or iPod Touch in simple steps. Whenever you charge you iPhone let it charge until your battery is completely full. If you unplug in between that point will become the maximum capacity of the battery. Remember not empty you battery charge completely while using your iPhone. Don't use your computer often to charge your battery, it would be wise to use a charger. Whenever you are not using your iPhone make sure to keep it locked.

How To: Test a vehicle alternator with a standard multimeter

Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive lead of the battery. Set the meter to DC voltage using the 20 scale and read the display to ensure the battery is fully charged. Next start up the vehicle and see what the alternator is producing. The display should now...

How To: Build a robot that scribbles on paper

This video explains how to build a robot with the basic ability to scribble on paper. The narrator gives website addresses for more examples on completed robots and various information on the subject. The Robot is built using a plastic cups and wooden sticks for legs and support. A motor is then attached to a wooden stick which is then attached to the top of the plastic cup. One nine volt battery is needed to power the motor. Once the battery has been attached to the motor you must attach the...

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.

How To: Make copper sulfate and zinc batteries

Watch this science video tutorial from Nurd Rage on how to make copper sulfate and zinc batteries. They show you how to make the classic copper sulfate and zinc battery using the incredibly easy "gravity" battery design approach. Great for science fairs and similar projects this battery can be used to explore many basic concepts in batteries.

How To: Hack your PSP without CFW

Hack the PSP or Playstation portable handheld game console. You need a Pandora battery, a 2 GB memory stick and a PSP. You are hacking the firmware of the PSP. You will turn the official firmware from the 3.80 into M335. You can downgrade if you have v 4.0 or higher firmware. Don't hard mod a battery, buy a second Pandora battery. This will take an hour to complete. Make a magic memory stick!