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Copper
compression lug
Shrink-wrap to
color-code the cable
Terminal
surface
• All cable ends must be connected to battery terminals without any washers between
terminal bushings and cable ends.
Terminal burnout is caused by:
• Discharge currents exceeding allowable limits
• Improper cable installation
• Improper cable sizing
• Improper terminal torque
• Without exception, a product experiencing terminal burnout will void the warranty.
9.7 Installing Batteries in Parallel Battery Wiring
For proper balancing and load sharing between parallel batteries, refer to Figure
9-3, Batteries in Parallel Installation. Lithium batteries are very sensitive to voltage, and
undersized battery cables impede battery and system performance. The thickness
(cross-section) of cables should exceed the recommended minimum for the
inverter-charger installation.
When installing four or more batteries in parallel, use a busbar configuration.
In a busbar configuration, use the same length cable for all battery cable sets,
regardless of the battery's proximity to the busbar (or combiner box). Actual wiring
requirements may vary. Consult with the authority having local jurisdiction.
M8" bolt (supplied with batter)
Lock washer (supplied with battery)
Flat washer (supplied with battery)
Battery cable lug
Ensure nothing is between
the terminal surface and the
battery cable lug
Figure 6. Battery Cable Terminal Connection
NOTE
NOTE
18
Washers ARE NOT
compressed
Terminal hardware
is bottomed out!
Terminal hardware
IS NOT bottomed out!
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