2.4 Transmitter battery
The PROFI TX is powered by a robust and durable LiFePO4 battery. The battery is
installed with the electronic system for battery management in a welded case. If the
battery is new, the battery capacity of 4000mAh provides an operating time of more
than 30 hours. Additionally installed components increase power consumption and
shorten the operating time. If the device is exposed to temperatures below -10°C,
the operating time is significantly reduced.
2.4.1 Charging the battery
The PROFI TX features two USB sockets at the front on the right-hand side of the
case, which are protected by a sliding latch. The mini USB socket is used for
charging (see section 2.1.5 "Connectors" on page 29).
The following options are available for charging the PROFI TX:
Via your PC or laptop
Via the MULTIPLEX USB car plug-in charger 12V DC
(item no. 145533)
Via the MULTIPLEX USB plug-in charger 100-240V AC
(item no. 145534, see section 10.2, "Accessories" on page 213)
The transmitter must not be connected to a charger when no battery is in-
stalled!
Without a consumer, the charger can provide unacceptably high output voltages.
These voltages can damage the transmitter.
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