Installation Manual - Panasonic

2.2 Installing the Advanced Hybrid SystemBattery Rating 7.2 (Ah)Charging Time (h) =Initial Charging Current typ. 0.3 (A)(h: hours)= 24-72 (h)× 1-3Notes• Turn on the power switch of the PBX only after the installation of the PBX is finished and ACcord is plugged into the AC outlet.• For each backup battery, battery capacity of 14 Ah or below is recommended.• Make sure that the type and capacity of the 2 backup batteries are identical.• The backup battery cable should not be exposed to direct sunlight. Keep the backup batterycable and the backup batteries away from heating appliances and fire. Place the backupbatteries in ventilated place.• For details about the backup batteries, refer to the manual intended for the batteries.Installation Manual 35