Clarion N.I.C.E. 430 - Manual (Page 14)

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1.3 Charging the Battery via the USB Cable
When charging the battery for the very first time, you should charge it for at least
8 hours.
1. Turn ON the computer.
2. Connect the mini-USB end of the USB cable to the bottom of the N.I.C.E. 430
and the other end to a USB port on your computer.
NOTE: If you intend to charge the N.I.C.E. 430 this way, turn OFF your device so that it takes
less time to charge the battery.
CAUTION: For optimal performance of the lithium battery:
z
Do not charge the battery where the temperature is high (e.g. in direct sunlight).
z
There is no need to fully discharge the battery before charging. You can charge the battery
before it is discharged.
z
When storing the product for a long period of time, be sure to fully charge the battery at
least once every two weeks. Over discharge of the battery can affect the charging
performance.