NP18-12B 12 Volt 17.2 Ah Sealed Rechargeable, Non- Spillable Lead-Acid Battery with Bolt Connectors is for use with their 7470 and 4580 RALS (Remote Area Lighting System). Run time is 2.5 hours on High setting, 12 hours on Medium, and 24 hours on Low. A fully depleted battery recharges in 790 minutes and has a 500 cycle lifespan.The battery automatically detects the camera load and calculates run-time and displays remaining power via a 2-LED power gauge. EnerSys is the largest industrial battery manufacturer in the world, operating manufacturing and assembly facilities worldwide for customers in over 100 countries. Worldwide and Americas headquarters are located in Reading, Pennsylvania, USA with regional headquarters in Europe and Asia. EnerSys is uniquely positioned to provide expertise in designing, building, installing and maintaining a comprehensive stored energy solution for industrial applications throughout the world. The company's products and services are focused on three primary markets: Motive Power applications include OEM and aftermarket applications in material handling, railway and mining markets. Reserve Power applications include telecommunications, uninterruptible power supply (UPS), electronics, security, portable power, switchgear/utility, and sports and leisure. Products include batteries, chargers, accessories and field service to provide a stored energy system.