senseFly swinglet User Manual page 124

Maintenance, Repair and Troubleshooting
batteries and/or frequent photo acquisition may significantly reduce the flight
endurance. Batteries perform better at medium or high air temperature and it
is normal to observe shorter flight times in cold weather.
The swinglet CAM is powered by a Lithium Polymer (LiPo) battery composed of
three cells connected in series. A single LiPo cell can have a range between 3 V
(empty) and 4.2 V (full) in its normal operating range. This results in an empty bat-
tery voltage of 9 V and a fully-charged battery voltage of 12.6 V. A well-balanced
and healthy battery should have all three cells at a voltage very close to each other
and between 3 and 4.2 V.
The charger delivered with your drone automatically checks for healthy voltages
of all three cells and only attempts charging if they are within limits. If the cells
are out of balance, the charger will take care of balancing them. If the charger
detects a voltage outside of the allowable range it will indicate an error either by
flashing the status LED red, or by the LED staying off. This means that the battery
is over-discharged and should be discarded.
Caution: The batteries delivered with your drone are designed
to be charged with the charger delivered with your swinglet CAM.
senseFly Ltd cannot be held responsible for any consequences result-
ing from using a different charger. In particular, using a charger im-
properly configured or designed for other types of batteries may lead
the battery pack to be permanently damaged or to catch on fire.
LiPo batteries do not exhibit any memory effect. We recommend that you always
fully charge them after use even when they are only partially discharged. When
not using the battery store it in the carrying case provided with your drone. Avoid
leaving the battery in direct sunlight.
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