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To reduce the risk of injury or
explosion, never burn or incinerate a
battery pack even if it is damaged, dead or completely
discharged. When burned, toxic fumes and materials
are created.
WARNING
Maintenance and Storage
Do not expose your battery pack or cordless tools to
water or rain, or allow them to get wet. This could
damage the tool and battery pack. Do not use oil or
solvents to clean or lubricate your battery pack. The
plastic casing will become brittle and crack, causing a
risk of injury.
Store batteries at room temperature away from
moisture. Do not store in damp locations where
corrosion of terminals may occur. As with other
battery types, permanent capacity loss can result if
the battery pack is stored for long periods of time at
high temperatures (over 50°C).
MILWAUKEE
®
Lithium-Ion batteries maintain their charge during
storage longer than other battery types. After about
six months of storage, charge the battery pack as
normal.
Disposing of
MILWAUKEE
®
Lithium-Ion Batteries
MILWAUKEE
®
Lithium-Ion batteries are more
environmentally friendly than some other types of
power tool batteries (e.g., nickel-cadmium). Always
dispose of your battery pack according to federal,
state and local regulations. Contact a recycling
agency in your area for recycling locations.
Even discharged batteries contain some energy.
Before disposing, use electrical tape to cover the
terminals to prevent the battery pack from shorting,
which could cause a fire or explosion.
2
Fuel Gauge Lights Diagnosis
Solution
Lights 1 - 4 Solid
Remaining runtime
slowly
Continue working
Less than 10% run
time left
quickly
Prepare to charge pack
End of discharge
Charge pack
quickly
high
Current draw too
Lights 1&3 / 2&4,
Release trigger and
restart, reduce pressure
too high
Battery temperature Release trigger and allow
battery to cool
Battery Pack Protection
To protect itself from damage and extend its life, the
battery pack’s intelligent circuit monitors current draw
and temperature. In extremely high torque, binding,
stalling, and short circuit situations, the battery pack
will turn OFF the tool if the current draw becomes
the trigger and restart.
Under extreme circumstances, the internal tem-
perature of the battery could become too high. If
alternating pattern and the tool will not run. Allow the
battery to cool down.
Cold Weather Operation
MILWAUKEE
®
Li-Ion battery packs are designed to
operate in temperatures below freezing. When the
battery pack is too cold, it may need to warm up
before normal use. Put the battery on a tool and use
the tool in a light application. It may “buzz” for a short
time until it warms up. When the buzzing stops, use
the tool normally.
Fuel Gauge
Approximate Run
Time Remaining
78-100
%
55-77
%
Less than 10% if bottom light
33-54
%
10-32
%
Use the Fuel Gauge to deter
mine the battery pack's re-
maining runtime. Press the
Fuel Gauge button to dis-
play the lights. The Fuel
Gauge will light up for 2-3
seconds. When less than
10% of charge is left, 1 light
slowly.
NOTE:
If the Fuel Gauge doesn't appear to be
working, place the battery pack on the charger and
charge as needed.
Compared to NiCd battery pack types,
MILWAUKEE
®
Li-Ion battery packs deliver fade-free power for their
entire runtime. The tool will not experience a slow,
gradual loss of power as you work. To signal the
quickly for 2-3 seconds and the tool will not run.
Charge the battery pack.
NOTE:
Immediately after using the battery pack,
the Fuel Gauge may display a lower charge than it
will if checked a few minutes later. The battery cells
"recover" some of their charge after resting.
Contact
Fuel gauge
Release button
Release button
Fuel gauge
button
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