Lead Acid Batteries Search Results

How To: Improve Battery Life on Your Nexus 7 Tablet with This Easy Power-Saving Tweak

Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charge, and charge? Well, there's actually plenty that you can do. You can manage your notifications better, keep your screen brightness low, and kill apps running in the background. Or, you could just optimize your battery t...

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: Replace a programmable thermostat with Lowe's

In this video tutorial, viewers learn how to replace and install a programmable thermostat. The materials required for this project are: a screwdriver, masking tape, marking pencil and batteries. Begin by turning off the power of the furnace. Then remove the face of the old thermostat and detach the labeled wires. Now remove the wall plate. Then mount the plate of the new unit and connect the wires to the corresponding codes. Finish by inserting batteries, placing the face plate on the wall p...

How To: Operate the Blackberry 8330

Learn how to operate the latest Blackberry 8330 in simple steps. Follow the steps below to overview the Blackberry 8330: 1. First switch on your Blackberry by pressing the power button on its top. 2. Use the 'Trackball' to navigate around the menu options and press it to select an option. 3. The 'Send' can be used to call a contact, the 'Menu' key opens a list of options, then the 'Escape' key is used to end an application and the 'End' key is used to end a call. 4. You can find on the left s...

How To: Make a lemon battery

VieDo expert Alan Puccinelli shows us how to make your own battery with a simple lemon. You might think it's impossible, but if you follow the instructions in this tutorial, you will find out that it is actually really simple. The video gives you a lot of information about electricity and about the way this lemon provides energy, so you will easily understand not only how to do it, but how does it work. Even though it's a very interesting experiment, such a lemon only gives you about one volt...

How To: Diagnose and jump start a dead battery

Ever been stuck on the side of the road with no clue how to use those jumper cables in your trunk? Chris on WatchMojo will show you how to diagnose the problem, and the safe way to hook up those jumper cables, get the battery working again, and get you on your way. This step by step instructional video will walk you through each step on jumping your car. You will need a set of jumper cables and another working car to complete the jump.

How To: Access the hidden Droid menu to imrpove call quality

This video shows you how to easily access the hidden Motorola Droid menu and how to improve call quality. The first thing you have to do is dial and call: ##7764726 . Then, type in the SPC Password, which usually is 000000 (six 0s) and hit OK. Next, click 04.Vocode in the popped up menu and choose either EVRC or EVRC-B for the highest call quality. Tap apply. Please note that better call quality requires more battery, so the battery will go down easier. That's it! Good Luck!

How To: Make a speaker out of a tissue box

In an old video posted on YouTube, about how to make a speaker in a tissue box, they got a Kleenex box, foil, motor, and battery. Of course the motor ran off the battery and it made a sound, but there's no way to just plug in the audio jack from your Apple iPhone into the Kleenex box where it's contacts obviously aren't going to touch any electrical contacts and have it work. It's not possible.

How To: Build a beam bot twin motor robot base

This robot is BEAM bot inspired. First we build up the Motor Drive, an excellent and cheap Robot Bot-Base. We start with the Tamiya kit, get it going, then strap on a battery and a drag wheel, center the drag wheel. Tape it all in place with bright yellow tape and make a BEAM Bot with batteries. Plans for this BEAM framework are to add smarts.

How To: Turn your Motorola Droid Bionic smartphone into a mobile Wi-Fi hotspot

If you have a subscription with Verizon Wireless to use the mobile hotspot feature on the Motorola Droid Bionic Android smartphone, you can provide internet access to any nearby device with a WiFi connection by accessing the mobile hotspot application on your Bionic. This guide from Motorola will walk you through the process, but be careful because the hotspot feature will drain your battery!

How To: Shoot like a pro as a newcomer to digital video

Learn the basics of shooting videos in this video. This funny and informative video from Vimeo's excellent Video 101 series of tutorials demonstrates the importance of things like always carrying extra batteries, holding on to the subject for at least 5 seconds, using the rule of thirds to compose the shots, and planning the shots ahead of time.

How To: Make gloves for giving lighshows and decide what parts to use

Light shows are one of the best parts of raves, bringing people together to participate in a whole new type of social interaction. Gloves have become the most popular tools of the lightshow trade, and this video will teach you how to make your own custom set exactly how you want them. It discusses types of lights, batteries, and everything else you need to know to make your first set of gloves.

How To: Enable or disable hibernation on a PC with Windows XP

The moment when your Windows XP PC begins hibernating is one of the most frustrating in many PC users lives, causing hands to be thrown up in frustration and preparations for a hard reset to begin. Do you wish that you computer didn't even have the option of hibernating? This video will show you how to turn off hibernation in Windows XP, allowing you to use your computer's entire battery without risking a sudden faux-shutdown.

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: Replace a 1st generation iPod nano battery

This video shows you how to disassemble a first generation iPod nano so you can replace the battery. You will need a soldering iron and need to do some electronic soldering so make sure you're comfortable with soldering or have practiced a bit beforehand. Be careful or you'll be buying a new Nano! Replace a 1st generation iPod nano battery.

How To: Build an electromagnet

This video demonstrates the relationship between electricity and magnetism and shows how to construct an electromagnet using a 4 inch iron nail, 5 meters of copper wire and a 1.5 volt AA battery. Electromagnetism was discovered by the Danish scientist Oersted. Electromagnetism is the science behind electric motors, solenoids, speakers and electromagnets.

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 have your portable device die on you?