Nextar Q4-01 Hardware Instruction Manual page 12

About Rechargeable Battery
Your portable GPS device comes with a built-in rechargeable battery. Charge the battery
fully before initial use. Charging time is normally about 3.5 hours. A fully charged battery
delivers about 2.5 hours of use.
Working conditions and precautions for the rechargeable battery
¾
New batteries should be fully charged before initial use.
¾
Battery should only be used and charged when temperatures are between
32q-100qF.
¾
Maintain well-ventilated conditions around the product to avoid overheating. Don't
put the product on a bed, sofa or anything that may block ventilation to the product.
¾
When the battery is weak, an indication menu will appear on the LCD screen and
after a little while, the unit will power OFF automatically.
Charging the rechargeable battery
The battery must be charged by using the supplied adaptor.
Power Supply
Preparation
11