6About the charger Do not use the charger in a high moisture environment. Never touch the charger whenyour hands or feet are wet. Allow adequate ventilation around the charger when using it to operate the device orcharge the battery. Do not cover the charger with paper or other objects that will reducecooling. Do not use the charger while it is inside a carrying case. Connect the charger to a proper power source. The voltage requirements are found onthe product case and/or packaging. Do not use the charger if the cord becomes damaged. Do not attempt to service the unit. There are no serviceable parts inside. Replace theunit if it is damaged or exposed to excess moisture.About the battery Use a specified battery in the equipment. CAUTION: The battery can burst or explode, releasing hazardous chemicals. Toreduce the risk of fire or burns, do not disassemble, crush, puncture, or dispose of in fireor water. Important instructions (for service personnel only) Caution: Risk of explosion if battery is replaced by an incorrect type. Dispose ofused batteries according to the instructions. Replace only with the same or equivalent type recommended by the manufacturer. The battery must be recycled or disposed of properly. Use the battery only in the specified equipment. Only use the correct home charger (may be sold separately) or in-car charger suppliedby Navman to charge your Navman internal battery. Only use your Navman internal battery with your Navman unit. The Navman battery will stop charging when the ambient temperature is less than 0°C(32°F) or more than 40°C (104°F).