Charging and caring for batteries 153Cleaning the contacts of the batteryNotice Do not scratch or scrape the contacts of thebattery. If necessary, wipe the contacts of the batterywith a dry, lint-free cloth to remove any dirt, oil orgrease.Storing batteriesWhen not in use for a month or more, batteries shouldbe stored correctly to prolong their life.■ Remove the battery from the radio before storage.■ Fully charge the battery if storing for less than onemonth.■ Charge the battery to about 30% if storing for lon-ger than one month.■ Store the battery in a cool dry place.Using batteries after storageBatteries that have been stored for any length of timemust be charged before being used. See "Chargingthe battery" on page 150.Disposing of batteriesRun the battery flat before disposing of it. Whendisposing of the battery, be sure to do so in anenvironmentally sensitive manner. Please contactyour radio provider for information on recyclingprograms in your area. See "Environmentalresponsibilities" on page 7 for more information.