24
I
I
n
n
s
s
t
t
a
a
l
l
l
l
i
i
n
n
g
g
a
a
n
n
d
d
R
R
e
e
m
m
o
o
v
v
i
i
n
n
g
g
t
t
h
h
e
e
S
S
e
e
c
c
o
o
n
n
d
d
B
B
a
a
t
t
t
t
e
e
r
r
y
y
P
P
a
a
c
c
k
k
Before installing the second battery, be
sure that the main battery is also installed on the computer.