When you use a residential space heater as an electric car heater, plug it into an inverter. An inverter converts DC power from the vehicle’s electrical system into the AC power that the heater requires. Some space heaters are specifically … Continue reading →

The good news is, solar batteries are considered very safe. Most use lithium-ion technology which means the risk of putting a solar battery on the side of your house is similar to having mobile phones or laptops in your home … Continue reading →

Regardless of what your laptop or smartphone is telling you, if your device is still performing normally, you don’t have to change the battery. And even if it’s not holding as much charge as it used to, if it’s still … Continue reading →

Can a laptop battery be opened? Split open a small section of the battery pack (at the seam) with a screwdriver or craft knife. Continue to pry the plastic case loose moving around the outer edge until the entire top … Continue reading →

Maximum power point tracking (MPPT) or sometimes just power point tracking (PPT), is a technique used with variable power sources to maximize energy extraction as conditions vary. What is the function of MPPT? An MPPT, or maximum power point tracker … Continue reading →

A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. What is the charge of … Continue reading →

4 cells. 14.8 V dc. Lithium Ion (Li-Ion) Delivers up to 3.5 hours of system run time. Is a 4 cell laptop battery good? If you are using your laptop for office work or school projects, having four-cell batteries would … Continue reading →

Causes of dark lips Darkening of the lips can be the result of hyperpigmentation. This is a typically harmless condition caused by an excess of melanin. Lip hyperpigmentation may be caused by: excessive exposure to the sun. How do I … Continue reading →

Lighting is one of the easiest things to find non-electric alternatives for. Oil lamps are another good option for lighting your home without electricity. Flashlights are a great portable solution for off-grid lighting, especially for short term or emergency use. … Continue reading →

“Now we know that graphene oxide films are indeed soluble in water. It’s just a matter of sample purity.” Other multivalent metal ions, such as manganese, which is a byproduct from the synthesis of GO, can also crosslink the sheets. … Continue reading →

In addition to the risks of internal burns and choking, batteries pose other risks. For example, chewing on batteries can cause: severe burns in the mouth, it’s also possible that battery acid. What should I do if my child chews … Continue reading →

If your results show lower than normal sodium levels, it may indicate: Diarrhea. Vomiting. Kidney disease. Addison disease, a condition in which your body’s adrenal glands don’t produce enough of certain types of hormones. What happens when sodium levels are … Continue reading →