Mio Combo 5207 LM Series User Manual page 11

CAUTION: For optimal performance of the lithium battery:
• Do not charge the battery where the temperature is high (e.g. in direct sunlight).
• There is no need to fully discharge the battery before charging. You can charge the battery
before it is discharged.
• 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.
• Failure to follow the battery usage instructions could cause damage to your device, battery
and even bodily injury or property damage and will void any warranty.
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