Saft’s Uptimax nickel battery systems guarantee reliable and safe operation without the need for regular maintenance visits. Saft’s Uptimax can provide up to four days of backup power, has minimal maintenance requirements, and a long shelf-life. In the event of an interruption to the main power supply, the batteries are designed to deliver peak power for essential safety systems for an initial period of eight hours, followed by a further 88 hours of low power. Each battery is rated at 24V and has energy storage capacity of 150Ah or 390Ah.They require no topping-up for their entire 20-plus year lifetime. The batteries can also operate successfully after a long period in storage while fully charged.
Saft Groupe SA | http://www.saftbatteries.com