Penicillins are a certain collection of antibiotics that eliminate infection causing bacteria. Also known in short as pen or PCN, they originate from a type of fungi called Penicillium fungi. They are used in the treatment or prevention of many different bacterial infections, usually caused by Gram-positive organisms.
VRLA battery. (Redirected from SLA battery) A VRLA battery stands for (valve-regulated lead-acid battery) more commonly known as a sealed lead-acid (SLA), gel cell, or maintenance free battery, is a type of lead-acid rechargeable battery.
While a car battery is designed to deliver a burst of energy for a short time, a deep cycle battery provides power at a steady rate over a long period. There are different types of deep cycle batteries such as flooded batteries, gel batteries and AGM batteries (Absorbed Glass Mat); and more recently â lithium-ion.