3
ADDITIONAL
SAFETY
INSTRUCTIONS
AND
WARNINGS
Never
charge
batteries
unattended.
When
charging
batteries
you
should
always
remain
in
constant
observation
to
monitor
the
charging
process
and
react
to
potential
problems
that
may
occur.
If
at
any
time
you
witness
a
battery
starting
to
swell
or
heat
up,
discontinue
charging
process
immediately,
disconnect
the
battery
and
let
it
cool
down
for
approximately
15
minutes.
This
may
cause
the
battery
to
leak,
and
the
reaction
with
air
may
cause
the
chemicals
to
ignite,
resulting
in
fire.
Do
not
let
the
device
fall
down
the
floor.
The
internal
circuit
might
get
damaged.
We
suggest
you
put
the
battery
in
an
enclosure
to
protect
it
from
damages
dropping
from
height
accidentally.
Never
store
or
charge
battery
pack
in
extreme
temperatures,
since
extreme
temperature
could
ignite
fire.
Store
battery
at
room
temperature
between
40
and
80
degrees
F
for
best
results.
Do
not
expose
battery
pack
to
direct
sunlight
(heat)
for
extended
periods.
Storing
battery
at
temperatures
greater
than
170
degrees
F
for
extended
periods
of
time
(more
than
2
hours)
may
cause
damage
to
battery
and
possible
fire.
Must
keep
battery
pack
away
from
children.
Do
not
attempt
to
disassemble
the
device
as
it
may
cause
damage.
