Garmin aera 660 Pilot’s Guide 190-02017-20 Rev. E2OverviewOverviewNavigationFlight PlanningHazard AvoidanceAdditional FeaturesAppendicesIndex1.2 GETTING STARTEDBATTERY INSTALLATIONNOTE: Refer to Appendix E for additional battery information.CAUTION: Always keep the battery installed when the unit is on.WARNING: The product contains a lithium-ion battery. To prevent damage,remove the unit from the aircraft or vehicle when exiting or store it out ofdirect sunlight.Installing the battery:1) Locate the lithium-ion battery that came in the product box.2) Locate the metal contacts on the end of the lithium-ion battery.3) Insert the battery so that the metal contacts on the battery line-up with themetal contacts inside the battery compartment.4) Insert the battery into the battery compartment, and push until it clicks intoplace.Unit Overview - Battery