III.2 Power supply
Batteries
The standard configuration contains two batteries, a slot for charging batteries (named
“charger” for simplicity) and an adaptor. The battery are “lithium-ion” battery (7.4 V - 2500
mAH): a technology which has an higher energy-to-weight ratio with respect to NiCd or NiMh
batteries, no memory effect, and slow self-discharge when not in use.
Fig. 3.4 - Lithium-ion battery
Charger
The charger can charge both batteries simultaneously. The lights of the charger shows if the
battery is being charged (red light CHARGE) or if it is already charged (green light FULL). Red
light POWER shows if the charger is powered on and there is also a light which turns on in case
of too high temperature (red light TEMP).
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