Black & Decker NST2118 Type 1 Manual - NST1118 - Page 6
Important Charging Notes, To 9 Hours, Hours, Storage Recommendation - battery life
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IMPORTANT CHARGING NOTES 1. After normal usage, your battery pack should be fully charged in 6 to 9 hours. If the battery pack is run-down completely, it may take up to 9 hours to become fully charged. Your battery pack was sent from the factory in an uncharged condition. Before attempting to use it, it must be charged for at least 9 hours. 2. DO NOT charge the battery pack in an air temperature below +40°F(+4.5°C), or above +105°F (+40.5°C). This is important and will prevent serious damage to the battery pack. Longest life and best performance can be obtained if battery pack is charged when air temperature is about 75°F (24°C). 3. While charging, the charger may hum and become warm to touch. This is a normal condition and does not indicate a problem. 4. If the battery pack does not charge properly-(1) Check current at receptacle by plugging in a lamp or other appliance. (2) Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights. (3) Move charger and battery pack to a surrounding air temperature of 40°F (+4.5°C) to 105°F (+40.5°C). (4) If the receptacle and temperature are OK, and you do not get proper charging, take or send the battery pack and charger to your local Black & Decker service center. See Tools Electric in yellow pages. 5. The battery pack should be recharged when it fails to produce sufficient power on jobs which were easily done previously. DO NOT CONTINUE using unit with its battery pack in a depleted condition. 6. The battery pack will reach optimum performance after being cycled 5 times during normal usage. There is no need to run the battery pack down completely before recharging. Normal usage is the best method of discharging and recharging the battery pack. STORAGE RECOMMENDATION 1.Store tool: a.) with the battery pack removed and on the charger. b.) in a place that is cool and dry away from direct sunlight and excess heat or cold. c.) out of the reach of children. 2. For prolonged storage such as over the winter, the battery pack should be fully charged and then removed from the charger. It should be charged again just prior to use. LEAVING THE BATTERY PACK IN THE CHARGER It is OK to leave battery packs on charge for long periods of time. The charger has a maintenance mode which gives the battery pack enough charge to stay "topped off". If however, the tool is not expected to be needed for more than 30 days, unplug the charger and store battery pack in a cool, dry location. NOTE: A battery pack will lose its charge when kept off of the charger. If the battery pack has not been kept on maintenance charge, it may need to be recharged before use. A battery pack may also lose its charge if left in a charger that is not plugged into an appropriate AC source. 6