Xantrex Technology Solar 400 - Manual (Page 30)

Operation
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Charging with the DC-to-DC Accessory Cable
The Powerpack Solar 400 comes with a DC Charging cable
to allow the unit to be charged from a DC source such as an
automobile, RV, or boat. The labeled and fused plug of the
charging cable is equipped with a single and replaceable
8-amp, 32-volt, time-delayed fuse.
The vehicle to be used for charging must have a 12 Vdc
power (or accessory) socket and must be running in order to
charge the unit.
The DC input/output power socket (DC socket) is found on
the side of the unit. Press and hold the DC/USB button for
one second to activate the DC socket.
WARNING: Fire and explosion hazard
Do not use this recharging method if your vehicle has abnormally
high voltage electrical systems that operate above 15 Vdc. This
may lead to accumulations of hydrogen, causing exposure to fire
and explosion hazard. This is typically found in marine applications
or on portable generators with DC output. Consult the vehicle’s or
generator’s manual for DC output voltage information.
Important: Although the charge regulation circuitry for the AC
charging method does not operate with the DC-to-DC charging
method, most vehicle voltage regulators will ensure that the
Powerpack Solar 400 is not overcharged.
DC
CAUTION
Do not leave the Powerpack Solar 400 permanently connected to
the vehicle’s 12 Vdc power socket. Disconnect the Powerpack
Solar 400 from the socket when the vehicle’s engine is turned off.
Note : The Charging Status indicator light will neither blink nor
stay on when the Powerpack Solar 400 is recharged through the
DC Charging Cable. The Battery Charge (%) reading on the
digital display is only accurate after the Powerpack Solar 400 has
been disconnected from all appliances and all charging sources for
15 minutes.