A Sealed Lead Acid (SLA) battery, also known as VRLA, Valve Regulated Lead Acid battery, has the following attributes: maintenance-free, leak-proof, and not sensitive to positioning. SLA batteries are equipped with a safety vent to release gas in the event of too much internal pressure. 

SLA batteries are used in many applications, such as a UPS backup systems, mobility scooters, wheelchairs, alarm sytems, generators, spotlights, workout equipment, generators, motorcycles, ATV's, toys, and much more.