<s>
Battery	B-Algorithm
terminals	I-Algorithm
are	O
the	O
electrical	O
contacts	O
used	O
to	O
connect	O
a	O
load	O
or	O
charger	B-Application
to	O
a	O
single	O
cell	O
or	O
multiple-cell	O
battery	O
.	O
</s>
<s>
Automotive	B-Algorithm
batteries	I-Algorithm
typically	O
have	O
one	O
of	O
three	O
types	O
of	O
terminals	O
.	O
</s>
<s>
General	O
Motors	O
,	O
and	O
other	O
automobile	O
manufacturers	O
,	O
have	O
also	O
begun	O
using	O
side-post	O
battery	B-Algorithm
terminals	I-Algorithm
,	O
which	O
consist	O
of	O
two	O
recessed	O
female	O
3/8	O
"	O
threads	O
(	O
SAE	O
3/8	O
-16	O
)	O
into	O
which	O
bolts	O
or	O
various	O
battery	B-Algorithm
terminal	I-Algorithm
adapters	O
are	O
to	O
be	O
attached	O
.	O
</s>
<s>
Purchasing	O
the	O
wrong	O
configuration	O
may	O
prevent	O
battery	O
cables	O
from	O
reaching	O
the	O
battery	B-Algorithm
terminals	I-Algorithm
.	O
</s>
<s>
Zinc	O
battery	B-Algorithm
terminals	I-Algorithm
are	O
an	O
environmentally	O
friendly	O
alternative	O
to	O
lead	O
battery	B-Algorithm
terminals	I-Algorithm
.	O
</s>
<s>
These	O
types	O
of	O
battery	B-Algorithm
terminals	I-Algorithm
were	O
designed	O
as	O
a	O
result	O
of	O
environmental	O
directives	O
such	O
as	O
Proposition	O
65	O
and	O
RoHS	O
.	O
</s>
<s>
Zinc	O
battery	B-Algorithm
terminals	I-Algorithm
offer	O
advantages	O
over	O
lead	O
alloy-type	O
battery	B-Algorithm
terminals	I-Algorithm
.	O
</s>
<s>
Most	O
cylindrical	O
dry	O
batteries	O
(	O
such	O
as	O
the	O
AA	B-Algorithm
battery	I-Algorithm
)	O
have	O
a	O
projection	O
at	O
one	O
end	O
(	O
positive	O
)	O
and	O
a	O
flat	O
base	O
(	O
negative	O
)	O
.	O
</s>
<s>
These	O
mate	O
with	O
metal	O
strips	O
or	O
springs	O
in	O
the	O
battery	B-Algorithm
holder	I-Algorithm
.	O
</s>
<s>
Six-volt	O
lantern	B-Algorithm
batteries	I-Algorithm
typically	O
feature	O
two	O
coiled	O
,	O
cone-shaped	O
spring	O
terminals	O
,	O
designed	O
to	O
mate	O
with	O
flat	O
contact	O
plates	O
on	O
the	O
inside	O
of	O
the	O
battery	O
compartment	O
.	O
</s>
<s>
Some	O
lantern	B-Algorithm
batteries	I-Algorithm
instead	O
feature	O
screw	O
terminals	O
,	O
while	O
still	O
others	O
instead	O
feature	O
pin	O
holes	O
.	O
</s>
<s>
Nine-volt	B-Algorithm
batteries	I-Algorithm
have	O
snap-on	O
connectors	O
.	O
</s>
<s>
Button	B-Algorithm
cell	I-Algorithm
(	O
watch	B-Algorithm
batteries	I-Algorithm
)	O
have	O
terminals	O
as	O
both	O
flat	O
sides	O
.	O
</s>
