User`s manual

UPS25 40 RTD Embedded Technologies, Inc
Chapter 6 - UPS25 SPECIFICATIONS
Host interface
16-bit PC/104 bus
Power supply specifications
Input voltage range 10-40V DC
Output charge Power 25W continuous
Efficiency 75% aggregate efficiency
Reverse voltage protection -40V DC
Over voltage clamp voltage +39V DC
Charger and batteries
Battery technology Ni-MH part# UPS25-1
Ni-Cd part # UPS25-2
Required cell count 8
Nominal battery pack voltage 9.6V
Battery capacity 1500mAh Ni-MH (24Watts for
30min.)
1000mAh Ni-Cd(24Watts for
30min.)
Charge voltage 10.5 to 12.5V
Charge current 1.25A maximum
Charge states -Discharge
-Fast charge
-Top off charge
-Trickle charge C/40, C/16
Voltage comparators 2, both adjustable with trim pots
Backup current 5 Amps Max
Thermistor technology NTC
Thermistor nominal resistance 10K
Thermistor Beta 4300
Electromechanical
Operating temperature range -40 to +85 C
Base plate temperature (Max) +85C
Heat sink material Aluminum
Weight 0.32 lb, 0.14Kg