Cochlear Nucleus 7 - Battery module; Wireless technology

74 NUCLEUS 7 SOUND PROCESSOR USER GUIDE
Operating characteristics
Processing unit
CHARACTERISTIC VALUE/RANGE
Sound input frequency
range
100 Hz to 8 kHz
Operating voltage 2.00 V to 4.25 V
Power consumption 20 mW to 100 mW
Charge cycles ≥ 80% capacity after 400 charge/discharge
cycles at room temperature
Button functions Turn processor on and off, turn audio streaming
on and off, change program
Remote communication
range
• At least 2 m (remote control)
• At least 3 m (Phone Clip)
• At least 7 m (Mini Microphone, TV Streamer)
• At least 2 m (Made for iPhone control)
• At least 7 m (Made for iPhone streaming)
Battery module
TYPE CAPACITY/VOLTAGE RANGE
Disposable battery
module
Two PR44 (zinc air) button cell batteries. 1.45 V
(nominal) each.
Cochlear recommends 675 zinc air batteries
designed for cochlear implant use.
Compact rechargeable
battery module
91 mAh / 3.7 V
Standard rechargeable
battery module
183 mAh / 3.7 V