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.
An automotive battery is used to start the car, power the lights, and more. When you drive, your engine constantly recharges the battery. However, these batteries have a set life and at some point you will need a replacement battery. By containing the gas in the battery it will mix and form water so you stop any fluid loss. 2  There are two main designs of this VRLA battery: AGM or GEL. 3  A GEL battery uses silicon to make the acid more solid and like a gel. 4  This type of battery is very good but is not the best for a starter battery.