TomTom one Guía Del Usuario

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Chapter 18
Battery notes
49 
Battery notes
We recommend that you fully charge your TomTom ONE the first time that you 
connect it to your computer. It takes about 2 hours to charge the battery 
completely.
Note: Your TomTom ONE uses a small amount of battery power to maintain 
its state when you switch it off. If you do not charge it for a prolonged period 
of time then you will lose this state and your TomTom ONE will re-start. Your 
settings will however, be maintained.