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Installation 20
Powering up the UPS
Press and hold the Power On/Standby button (1) until the UPS beeps. The Power On, Load 1 and Load 2
LEDs illuminate, indicating that power is available at the UPS output receptacles.
Charging the UPS batteries
With the UPS in Standby mode (on page 21), allow the batteries to charge before putting the UPS into
service.
IMPORTANT: Charge the batteries for at least 24 hours before supplying backup power to devices. The
batteries charge to:
• 90% of their capacity within 4 hours
• 100% of their capacity within 24 hours