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4 Battery Charger User’s Guide
www.dell.com | support.dell.com
CAUTION: Safety Instructions
Use the following safety guidelines to help ensure your own personal safety and to help protect your hardware
(battery charger, AC adapter, and computer) and working environment from potential damage.
Safety: General
• Do not attempt to service the hardware yourself unless you are a trained service technician. Always
follow installation instructions closely.
• Do not push objects into air vents or openings of your battery charger. Doing so can cause fire or electric
shock by shorting out interior components.
• Do not block the air vents of the battery charger. Place the charger at a distance of 10 cm (4 inches) or
more from walls or other objects.
• Keep your battery charger away from radiators and heat sources. Also, do not block cooling vents. Avoid
placing loose papers underneath your battery charger; do not place your battery charger in a closed-in
wall unit or on a bed, sofa, or rug.
• Do not use your battery charger in a wet environment, for example, near a bath tub, sink, or swimming
pool or in a wet basement.
• To help avoid the potential hazard of electric shock, do not connect or disconnect any cables or perform
maintenance or reconfiguration of this product during an electrical storm. Do not use your battery
charger during an electrical storm.
• Before you clean your battery charger, remove all batteries and disconnect the battery charger from the
electrical outlet. Clean your battery charger with a soft cloth dampened with water. Do not use liquid or
aerosol cleaners, which may contain flammable substances. Do not use benzene, thinners, or
insecticides to clean the battery charger, which may cause discoloration.
• Only use Dell
TM
D-Family batteries with the battery charger to help avoid the potential risk of fire,
explosion, or serious damage to the battery charger.
• Do not place foreign metal objects in the battery charger bays. Conductive materials inside the battery
bay can cause damage to the battery charger.
• To remove the battery charger from all power sources, turn the battery charger off, disconnect the power
cable from the electrical outlet, and remove any batteries installed in the battery charger.
• To help prevent electric shock, plug power cables into properly grounded power sources. These power
cables may be equipped with 3-prong plugs to provide an earth grounding connection. Do not remove
the grounding prong from the power cable plug. If you use a power extension cable, use the appropriate
type, 2-prong or 3-prong, to mate with the power cable.