Important Charging Notes; Storage Recommendations; Charging A Battery - Black & Decker 4V MAX BD40 Manual

• Disconnect the charger from the outlet before
attempting any cleaning. This will reduce the risk of
electric shock. Removing the battery pack will not reduce
this risk.
• NEVER attempt to connect 2 chargers together.
• The charger is designed to operate on standard
household electrical power. Do not attempt to use
it on any other voltage. This does not apply to the
vehicular charger.
WARNING: Shock hazard. Do not allow any liquid to
get inside the charger. Electric shock may result.
WARNING: Burn hazard. Do not submerge the
battery pack in any liquid or allow any liquid to enter
the battery pack. Never attempt to open the battery
pack for any reason. If the plastic housing of the
battery pack breaks or cracks, return to a service center
for recycling.
CAUTION: Burn hazard. To reduce the risk of injury,
charge only BLACK+DECKERrechargeable battery
packs. Other types of batteries may overheat and burst
resulting in personal injury and property damage.
NOTICE: Under certain conditions, with the charger
plugged into the power supply, the charger can
be shorted by foreign material. Foreign materials
of a conductive nature, such as, but not limited to,
grinding dust, metal chips, steel wool, aluminum
foil or any buildup of metallic particles should be
kept away from the charger cavities. Always unplug
the charger from the power supply when there is no
battery pack in the cavity. Unplug the charger before
attempting to clean.
Charger Cleaning Instructions
WARNING: Shock hazard. Disconnect the charger
from the AC outlet before cleaning. Dirt and grease
may be removed from the exterior of the charger using
a cloth or soft non-metallic brush. Do not use water or
any cleaning solutions.

Important Charging Notes

1. Longest life and best performance can be obtained if
the battery pack is charged when the air temperature is
between 65 °F and 75 °F (18 ° – 24 °C). DO NOT charge
the battery pack in an air temperature below +40 °F
(+4.5 °C), or above +104 °F (+40 °C). This is important
and will prevent serious damage to the battery pack.
2. The charger and battery pack may become warm to the
touch while charging. This is a normal condition, and
does not indicate a problem. To facilitate the cooling of
the battery pack after use, avoid placing the charger or
battery pack in a warm environment such as in a metal
shed or an uninsulated trailer.
3. If the battery pack does not charge properly:
- Check operation of receptacle by plugging in a lamp
or other appliance;
- Check to see if receptacle is connected to a light
switch which turns power off when you turn out
the lights;
- Move the charger and battery pack to a location
where the surrounding air temperature is
approximately 65 °F – 75 °F (18 ° – 24 °C);
- If charging problems persist, take the tool, battery
pack and charger to your local service center.
4. The battery pack should be recharged when it fails to
produce sufficient power on jobs which were easily
done previously. DO NOT CONTINUE to use under these
conditions. Follow the charging procedure. You may also
charge a partially used pack whenever you desire with
no adverse effect on the battery pack.
5. Foreign materials of a conductive nature such as, but
not limited to, grinding dust, metal chips, steel wool,
aluminum foil, or any buildup of metallic particles
should be kept away from charger cavities. Always
unplug the charger from the power supply when there
is no battery pack in the cavity. Unplug the charger
before attempting to clean.
6. Do not freeze or immerse the charger in water or any
other liquid.

Storage Recommendations

1. The best storage place is one that is cool and dry, away
from direct sunlight and excess heat or cold.
2. For long storage, it is recommended to store a fully
charged battery pack in a cool dry place out of the
charger for optimal results.
NOTE: Battery packs should not be stored completely
depleted of charge. The battery pack will need to be
recharged before use.
Charging a Battery
The battery needs to be charged before its first use and
whenever it fails to produce sufficient power on jobs
that were easily done before. The battery may become
warm while charging; this is normal and does not indicate
a problem.
WARNING: Do not charge the battery at ambient
temperatures below 40° F (4,5 °C) or above 104 °F
(40 °C). Recommended charging temperature:
between 65 °F and 75 °F (18 ° – 24 °C).
NOTE: The charger will not charge if the battery
temperature is (aproximately) below approximately 40°
F (4,5° C) or above 104° F (40° C). The tool should stay
connected to the charger. Once the battery temperature
returns to its normal range the tool will begin to charge
automatically.
• Plug the charger into any standard 100-240 Volts 50/60Hz
electrical outlet.
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