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.
There are two popular types of wet cell batteries, SLI batteries and deep cycle batteries. 1  SLI Battery: SLI stands for starting, lighting, and ignition. SLI batteries are designed to start your car with fast, short bursts of energy that power the motor, the lights, and the vehicleâs engine. Once the engine is running, power for the car is supplied by the alternator. Most automobiles come with a generic SLI battery from the factory.