GPS Page 11 of 17 S82V
Ⅲ
.2 Power supply
Receivers
The standard configuration contains two batteries and a slot for charging batteries (named
“
charger
”
for
simplicity)
and
an
adaptor.
The
battery
are
“
lithium
-
ion
”
battery:
a
technology
which has an high energy-to-weight ratio with respect to NiCd or NiMh batteries,
lack of memory effect, and slow self-discharge when not in use.
Fig. 3.2 - Lithium-ion battery
The charger can charge both batteries simultaneously. The lights of the charger shows if a
battery
is
being
charging
or
if
it
’
s
already
charged.
Fig. 3.3 - S82V charger and adaptor
Controllers
The Psion controller standard configuration includes two batteries, a charger and an adaptor.