<s>
A	O
battery	B-Algorithm
regenerator	I-Algorithm
is	O
a	O
device	O
that	O
restores	O
capacity	O
to	O
lead-acid	B-Device
batteries	I-Device
,	O
extending	O
their	O
effective	O
lifespan	O
.	O
</s>
<s>
Conventional	O
lead	B-Device
–	I-Device
acid	I-Device
batteries	I-Device
consist	O
of	O
a	O
number	O
of	O
plates	O
of	O
lead	O
and	O
lead	O
dioxide	O
suspended	O
in	O
a	O
cell	O
filled	O
with	O
weak	O
sulfuric	O
acid	O
.	O
</s>
<s>
Conventional	O
battery	B-Application
chargers	I-Application
use	O
a	O
one-	O
,	O
two-	O
,	O
or	O
three-stage	O
process	O
to	O
recharge	O
the	O
battery	O
,	O
with	O
a	O
switched-mode	O
power	O
supply	O
including	O
more	O
stages	O
in	O
order	O
to	O
fill	O
the	O
battery	O
more	O
rapidly	O
and	O
completely	O
.	O
</s>
<s>
In	O
this	O
case	O
the	O
battery	B-Application
charger	I-Application
indicates	O
the	O
charge	O
cycle	O
is	O
complete	O
,	O
but	O
the	O
battery	O
actually	O
holds	O
very	O
little	O
energy	O
.	O
</s>
