B2100
User
Guide
6
Guidelines
for
safe
and
efficient
use
?
Keep
the
metal
contacts
of
the
battery
pack
clean.
?
Replace
the
battery
when
it
no
longer
provides
acceptable
performance.
The
battery
pack
may
be
recharged
hundreds
of
times
until
it
needs
replacing.
?
Recharge
the
battery
if it
has
not
been
used
for
a
long
time
to
maximize
usability.
?
Do
not
expose
the
battery
charger
to
direct
sunlight
or
use
it
in
high humidity,
such
as
the
bathroom.
?
Do
not
leave
the
battery
in
hot
or
cold
places,
this
may
deteriorate
the
battery
performance.
?
Dispose
of
used
batteries
in
accordance
with
local
legislation.
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