Epever ET4415BND User Manual page 21

Model
ET4415BND
ET6415BND
ET6420BND
NOTE: The wire size is only for reference. If there is a long distance between
the PV array and the controller or between the controller and the battery, larger
wires can be used to reduce the voltage drop and improve performance.
 Battery Connection
Connecting a fuse in series through battery positive (+) in the circuit and the
battery circuit fuse must be 1.25 to 2 times to the rated current. Keep OFF
before connection. Connect battery positive (+) and negative (-) to battery
terminals on the controller in the figure 1-1. Please pay much attention to ‗+'
and ‗-'.
Rated charge current
45A
60A
60A
Figure 2-1 Wiring Diagram
Battery wire size
16mm
16mm
16mm
17
2
/6AWG
2
/5AWG
2
/5AWG