Audio Player Specifications (All NAV5 Firmware Variants)
Battery Cell: LiPo Grade A: 4.2VDC – 3.0VDC. | 500 mAh | Nominal Cell Voltage: 3.7V
Charge Current: Std Charge: 0.2A | Rapid Charge: 0.5A | Max Charge: 1.0A
System Charging Method: Constant current charge until 4.2VDC then charge hold until < 0.01 A
Operating Temperature: -20C to +80C @ 90% Relative Humidity
Operating Atmospheric Pressure: 86-106 KPa
Solar Panel (Optimal Solar): 0.4 Watts Max
Charging / Imaging Interface: USB Micro +5VDC (0.2-1.0A)
Internal Speaker: 8 Ohms – 2 Watts
Audio Player Real World Performance
Playing Time @ mid volume level: > 12 hours
Playing Time @ low battery warning: < 1 hour
Charging Time to Full (USB): < 6 hours
Charging Time to Full (Direct Solar): < 24 hours
Storage Time w/o Charge Degradation: 96 Hours
Battery Full Discharge: > 300 Cycles before measurable degradation
Vibration Limit Test: Frequency Rate: 1 oct/min | Vibration Frequency: 10Hz to 55Hz | Excursion: 0.8mm XYZ
Shock Limit Test: Acceleration: 100m/s | Pulse Duration < 16ms | Shock Count: 1000 times
Drop Test: 1.0m drop onto solid concrete 10 cycles
USB Flash Imaging Speed: 1024 kbps (1 mbps)
Maximum Speaker Audio Level @ 1 meter: Min 105 dB
Maximum Headphone Audio Level: Headset Dependent