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.
Gel car battery models are also referred to as VRLA batteries. This is because they are designated as low maintenance batteries. The user does not have to add water to the battery to make sure that electrolyte levels return back to normal.A car battery cell that is designated as a gel battery has far less acid than conventional deep cycle car batteries, and this is a tremendous advantage for users.The interior of the battery is filled with a gel electrolyte rather than a battery acid.el car battery models are also referred to as VRLA batteries. This is because they are designated as low maintenance batteries. The user does not have to add water to the battery to make sure that electrolyte levels return back to normal.