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Connecting to an External Battery
Extended Operating Time
Much longer battery operating time is possible when connecting XPower
1500 to an additional external battery. For example, an external 17 amp-
hour battery will increase XPower 1500’s operating time by about 33%.
Since XPower 1500 uses three 17 amp-hour batteries, we recommend
connecting one or more 17 amp-hour batteries externally when you want
to increase operating time.
Preparing the Cables
To connect an external battery to XPower 1500 you will need two pieces
of #2 AWG cable with appropriate connectors fastened to each end. Keep
the length of each cable as short as possible, and when using #2 AWG
cable, the length of each piece should not exceed 5 feet. One cable will
be used to connect the positive (+) terminal of the external battery to
XPower 1500’s positive High Power DC Terminal (red cover), and the
other cable will be used to connect the negative (-) terminal of the
external battery to XPower 1500’s negative High Power DC Terminal
(black cover).
Remove ½” of insulation from the end of each cable. On one end of each
cable attach a 5/16” ring terminal. On the opposite end of each cable
attach a permanent type connector that is designed for connecting to the
terminals of your external battery. Make sure all terminals are securely
connected to the cable ends and check them any time the cables are used
to connect the external battery to XPower 1500.
WARNING: Explosion hazard
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.
WARNING: Chemical hazard
Battery acid is corrosive. Wear eye protection and protective clothing when
working with batteries.