26
AX Charging
There is no current or voltage control for charging the battery from the auxiliary
source. This is a simple on-off input. The charging current and voltage relies on the
external source.
The AX input voltage must be greater than the battery voltage for the internal relay
to turn on. Once turned on the AX input will continue to provide power until this input
current drops below 2A or is greater then 27A.
When this input is connected to a car to provide the power to the system, It is
recommended to disconnect the car output from the AX, if the alternator is not
running as this may discharge the car battery.
Battery Capacity Soft-start Bulk-Absorption Float
≤ 100AH 6 Hours 5 Hours 6 Hours
150AH 6 Hours 7.5 Hours 6 Hours
200AH 6 Hours 10 Hours 6 Hours
250AH 6 Hours 12.5 Hours 6 Hours
≥ 300AH 6 Hours 15 Hours 6 Hours
Charging Time
The maximum time that the BatteryPlus35 will stay in each mode is as follows:
Table 5: Charging mode time maximum limit
Table 4: Charging voltage and current settings
Charge Mode Voltage Set BatteryPlus35HA BatteryPlus35SR/PM
LEAD ACID
Soft-start 14.4V 10A 10A
Bulk-Absorption 14.4V 30A 20A
Float 13.6V 10A 10A
LiFePO4
Soft-start 14.6V 10A
Bulk-Absorption 14.6V 30A
Float 13.6V 10A
Charging Profile
The charging current and voltage settings are as follows:
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