First Power valve regulated (AGM) batteries are suitable for both standby and cyclic applications. The batteries are fully enclosed and maintenance-free and can be installed horizontally if required. Lifetime class is up to 12 years. General features: Leak-proof and maintenance-free High quality and high reliability Low self-discharge Long service life Solid copper terminals UL, CE, VdS approved Applications: Communication and electrical machinery, emergency lighting, backup power, elevators, upser, backup, security, fire protection and other electrical applications.