Respironics BiPAP Focus Service Manual page 19

REF 1029568 Rev A
Electronic System Components (Continued)
External AC/DC Power Supply
Internal NiMH (Nickel Metal Hydride)
Battery
Table 3-2: Electronic System Components
BiPAP® Focus™ Ventilator Service Manual © Respironics, Inc.
Theory of Operation
• 90-240 VAC, 40-60Hz Input
• 120 Watt 18 Volt DC Output
• 8 cell 3.8 Amp Hour provides 9.6 Volt output
nominal
• In-line thermal fuse
• Built-in thermistor for temperature monitoring
• Nominal charge time under 5 hours
• Nominal run time 45 minutes
Chapter 3
3-5