3-50 Chapter 3: Hardware Service
Battery Performance
Application: Transaction Ride-Through. The battery supports
full operation of the POS terminal and peripherals.
Power Draw from
Battery
Maximum: 428 W (300 W DC output power and
70% efficiency)
UPS Conversion
Efficiency:
70% min, 75% typical
Battery Support Time: 1-30 minutes
Battery Current Draw: 16.5A max at 20V battery voltage
Battery Voltage: 24 V nominal
Battery Capacity 4.0 Ah
Battery Chemistry: Lead acid, starved electrolyte
Deep Discharge
Voltage:
18.0V min , 18.6V typical, 19.2V max (battery
disconnect)
Battery Low Voltage: 21.0V min, 22.2V max
Battery Current Drain
(after deep discharge
cutoff):
100uA max
Lifetime: 3-5 years