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.
âA battery is a device that is able to store electrical energy in the form of chemical energy, and convert that energy into electricity,â says Antoine Allanore, a postdoctoral associate at MITâs Department of Materials Science and Engineering ..