If your key fob starts to act up, you may be able to recharge the battery and get it working again. Here’s what you need to know about key fob batteries and how to recharge them. Most key fobs have…

Battery acid is a very corrosive substance that can destroy metal. It is made up of sulfuric acid and water, and it is used in lead-acid batteries. When the battery acid comes into contact with metal, it will start to…

Lithium batteries are used in many devices, from cell phones to laptops. But what happens if you pop one of these batteries? When a lithium battery is punctured, the metal inside can react with the air and create a fire….

A battery is not necessary for a circuit to work. A circuit is created when there is a complete path for electrons to flow from one point to another. When you connect a power source, such as a battery, to…

9V batteries are not a good power source for Arduino. The voltage is too low and the current is too high. The Arduino will not be able to run on a 9V battery. How Long Can an Arduino Run on…

There is a common misconception that magnets can harm the battery in your phone. This is not true! Magnets can not damage your phone’s battery. The only way a magnet could damage your phone’s battery is if it was strong…

Yes, live wallpapers can drain the battery on the lock screen. This is because when the phone is locked, the wallpaper still continues to move and this uses up battery power. To save battery power, it is best to use…

A 12-volt battery should ideally sit at around 13.8 volts when fully charged. This is the voltage that provides the most power and will give your car the best performance. However, if your battery is sitting at 12 volts, it…

When we connect batteries in series, the voltage of the system increases while the current stays the same. This is because each battery adds its voltage to the system while sharing the current. When we connect batteries in parallel, the…