DeWalt DW988 - Charging Procedures and Modes; Using Tune-Up Mode; 1 Hour Chargers; 15 Minute Chargers

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Do
not
use
charger
with
any
power
source
other
than
that
indicated
on
the
nameplate.
Chargers
Your
DeWALT
battery
can
be
charged
in
DeWALT
1
Hour
Chargers,
15
Minute
Chargers
or
Vehicle
chargers.
Be
sure
to
read
all
safety
instructions
before
using
your
charger.
Consult
chart
on
back
cover
for
compatibility
of
chargers
and
battery
packs.
Using Tune-Up™ Mode
Your
charger
may
have
Tune-up™
mode
which
will
equalize
or
balance
the
individual
cells
in
the
battery
pack
at
its
peak
capacity.
This
cycle
takes
up
to
8
hours
to
complete.
Battery
packs
should
be
tuned
up
weekly
or
after
10
to
20
charge/discharge
cycles
or
whenever
the pack no longer delivers the same amount of work.
1.
To
tune
up
your
battery
pack,
place
the
battery
in
the
charger
as
usual.
The
red
light
will
blink
continuously
indicating
that
the
charge
cycle
has started.
2.
The
Tune-up™
Button
may
be
pressed
at
any
time
after
the
charge
has
started.
The
red
light
will
stop
blinking
momentarily,
blink
quickly
3
times,
and
then
resume
blinking
continuously.
The
charger
is
now giving
your
batteries
a tune-up.
3.
When
the
charge
cycle
has
completed,
the
light
will
stay
on
continuously.
The
pack
is
fully
charged
and
may
be
used
at
this
time
or
left
in the
charger.
4.
If
you
select
Tune-up™
and
then
change
your
mind,
remove
the
battery
from
the
charger.
After
5
seconds,
insert
the
battery
into
the
charger.
The
normal
charge
cycle
will
commence.
Charging Procedure
1 HOUR CHARGERS
1. Plug the charger into an appropriate power outlet.
2.
Insert
the
battery
pack
into
the
charger
making
sure
the
pack
is
fully
seated
in
the
charger.
The
red
(charging)
light
will
blink
continuously
indicating that the charging process has started.
FIG. 1 FIG. 1A
3.
The
battery
pack
will
be
fully
charged
in
about
1
hour.
The
completion
of
charge
will
be
indicated
by
the
red
light
remaining
ON
continuously.
The
pack
is
fully
charged
and
may
be
used
at
this
time
or
left
in
the
charger.
4.
PROBLEM
POWER
LINE:
If
your
charger
has
a
Problem
Power
Line
indicator:
When
the
charger
‘is
used
with
some
portable
power
sources
such
as
generators
or
sources
that
convert
DC
to
AC,
the
charger
may
temporarily
suspend
operation,
flashing
the
red
light
with
two
fast
blinks
followed
by
a
pause.
This
indicates
the
power
source
is
out
of
limits.
5.
HOT
PACK
DELAY:
If
your
charger
has a
Hot
Pack
Delay
feature:
When
the
charger
detects
a
battery
that
is
hot,
it
automatically
starts
a
Hot
Pack
Delay,
suspending
charging
until
the
battery
has
cooled.
After
the
battery
has
cooled,
the
charger
automatically
switches
to
the
Pack
Charging
mode.
This
feature
ensures
maximum
battery
life.
The
red
light
flashes
long,
then
short
while
in
the
Hot
Pack
Delay
mode.
15 MINUTE CHARGERS
1.
Plug
the
charger
into
an
appropriate
power
outlet.
The
charger
will
beep twice, the red light will blink and go off.