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AX2500/2850 Motor Controller User’s Manual 29
Controller Power
Using a Backup Battery
To ensure that the controller will always be operational, regardless of the charge left in the
main battery, it is recommended to add a 12V backup battery connected as shown in
Figure 11.
2 x 12V Batteries = 24V
3 x 12V Batteries = 36V
Swich on
Main Battery
(optional)
Controller
Swich on
Power Control
FIGURE 10. Powering the controller from the Motor Batteries
Notes:
- Only one switch is actually needed to turn On/Off the controller. If either one is used,
the other can be omitted.
12V to 40V
Motor Battery
12V
Controller
Battery
On
Off
Motor
Cables
Battery
Power Cables
Power Control
Wire
-
-
+
+
Motor1
Motor2
Controller
Fuse
FIGURE 11. Power wiring using a two-battery system