Maintenance-free long-life & high-current pure lead battery (NP series) from Enersys Hawker. Genesis NP series AGM/VRLA technology with a lifespan of 3 - 5 years. High energy density, leak-proof design, excellent performance in both parallel standby operation and cyclical applications and a long service life make the Genesis NP series the most reliable and versatile maintenance-free rechargeable sealed lead batteries on the market. Typical applications of the NP series: Heat and smoke vents, fire and intrusion alarm control panels, video surveillance, access controls, UPS systems for private and commercial computers, cash register systems, key deposit boxes, lockers