<s>
The	O
AAAA	B-Algorithm
battery	I-Algorithm
(	O
usually	O
read	O
as	O
quadruple-A	O
)	O
is	O
42.5mm	O
long	O
and	O
8.3mm	O
in	O
diameter	O
.	O
</s>
<s>
The	O
alkaline	B-Algorithm
cell	I-Algorithm
weighs	O
around	O
6.5	O
g	O
and	O
produces	O
1.5	O
V	O
.	O
This	O
size	O
battery	O
is	O
also	O
classified	O
as	O
R8D425	O
(	O
IEC	O
)	O
and	O
25	O
(	O
ANSI/NEDA	O
)	O
.	O
</s>
<s>
The	O
alkaline	B-Algorithm
battery	I-Algorithm
in	O
this	O
size	O
is	O
also	O
known	O
by	O
Duracell	O
type	O
number	O
MN2500	O
or	O
MX2500	O
and	O
Energizer	O
type	O
number	O
E96	O
.	O
</s>
<s>
Energizer	O
created	O
the	O
first	O
AAAA	B-Algorithm
battery	I-Algorithm
in	O
1989	O
,	O
pressured	O
by	O
environmental	O
initiatives	O
to	O
eliminate	O
added	O
mercury	O
in	O
batteries	O
.	O
</s>
<s>
Now	O
most	O
big	O
battery	O
manufactures	O
(	O
Energizer	O
,	O
Duracell	O
)	O
,	O
sell	O
AAAA	B-Algorithm
batteries	I-Algorithm
.	O
</s>
<s>
This	O
battery	O
size	O
is	O
most	O
often	O
used	O
in	O
small	O
devices	O
such	O
as	O
laser	O
pointers	O
,	O
LED	O
penlights	O
,	O
powered	B-Device
computer	I-Device
styluses	I-Device
,	O
glucose	O
meters	O
,	O
and	O
small	O
headphone	O
amplifiers	O
,	O
with	O
Microsoft	O
's	O
Surface	B-Device
Pen	I-Device
the	O
most	O
prominent	O
product	O
taking	O
AAAA	B-Algorithm
batteries	I-Algorithm
.	O
</s>
<s>
These	O
batteries	O
are	O
not	O
as	O
popular	O
as	O
AAA	B-Algorithm
or	O
AA	B-Algorithm
type	O
batteries	O
,	O
and	O
consequently	O
are	O
not	O
as	O
commonly	O
available	O
.	O
</s>
<s>
Some	O
models	O
of	O
alkaline	B-Algorithm
nine-volt	B-Algorithm
battery	I-Algorithm
contain	O
six	O
LR61	O
cells	O
connected	O
by	O
welded	O
tabs	O
.	O
</s>
