Xantrex Technology XPower Powerpack 400 Plus - Manual (Page 56)

Operation
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Connecting to an External Battery
You can extend battery operating times by connecting the
XPower Powerpack to a larger external 12 Vdc battery.
For example, an external 60 Ah battery gives approximately
four times the operating time of the XPower Powerpack
internal 20 Ah battery.
WARNING: Acid spills
Use a sealed, non-spillable battery for indoor use. Common auto
and marine batteries are not suitable for indoor use unless their
fumes are vented outdoors. Common auto and marine batteries
contain acid, which is hazardous if spilled. Wear eye protection and
protective clothing when connecting the XPower Powerpack to an
external battery.
WARNING: Fire hazard
Never allow jump-start cables’ red and black clamps to touch each
other or another common metal conductor. This could cause
damage to the unit and/or create a sparking/explosion hazard.
Always disconnect the jump-start cables from the unit after use and
clip the plastic guard over the jump-start cable port.
WARNING: Fire hazard
Jump-start cable clamps must be connected positive to positive (red
clamp to battery “+”) and negative to negative (black clamp to
battery “–”). A reverse polarity connection (positive to negative)
may cause damage to the unit and/or create a sparking/explosion
hazard.
WARNING: Sparking and explosion
Do not remove the cables from the Jump-Start Cable Port when the
positive and negative clamps are connected to the terminals of the
external battery.
CAUTION
Do not recharge the XPower Powerpack when an external battery is
connected. The AC charger may be damaged.
975-0162-01-01_Rev-C.book Page 30 Friday, October 20, 2006 10:40 AM