Recondition LED (Orange)
: Charging with preset constant voltage and only for Wet type battery
Power supply LED (Blue)
: Output 13.3V and max current
Fault LED (Red)
: Charger malfunction (See below section H)
2. Programming Port
Factory use only
3. Recondition mode switch
Simple press and hold 3 seconds the switch to set the charger to go with recondition charge in next cycle.
4. Battery selection switch
For Wet, AGM, GEL, Calcium-Calcium and Power supply mode. (Default at position 3 the GEL type)
5. Charging current selection switch (Manual de-rating)
Current can be selected to 20%, 40%, 60%, 80% and 100% of the max current. Details please see the label
under the moveable door. (Default at 100%)
6. Charging cable with removable temperature sensor
RED battery clamp– Battery positive pole
BLACK battery clamp– Battery negative pole
7. Removable temperature sensor
To increase/ decrease charging voltage at low/ high battery temperature
8. Ventilation Fan
Thermostatic control fan from zero to full speed
9. AC input power cord
B. Battery Type Selection
Make sure the charger is power OFF, use a small slot type screw driver to select the battery through Battery Selection
Switch (4).
WET
: Flooded Type lead acid batteries (to which water can be added) Automotive or Deep Cycle
AGM/GEL
: Sealed type (VRLA), AGM-GEL, Maintenance Free, Automotive or Deep Cycle lead acid batteries
Calcium-Calcium : Sealed type (VRLA) Lead Acid batteries with Calcium content Automotive or Deep Cycle
Power Supply
: to provide a constant voltage DC power 13.3V to the external load connected to the battery and at
the same time without over charging the battery
B1. Recommended Battery Capacity
The following minimum AH capacities are a generalized suggestion, some batteries can take higher charge current,
check with battery manufacturers for charging batteries with smaller capacity.
C. Battery Charger Installation and Connection
Observe the warnings & safety precautions before rushing to install and operate the charger.
Check battery condition, fill up cells for wet battery, clean battery poles.
Secure the battery charger in a well ventilated place, make sure the mounting surface is flat and without soft covering
material or loose paper sheet. The air intake is at the left side and air outlet at the right side. Make sure both intake and
outlet are not blocked. Never place charger on top of battery.
Plug in the AC mains. All the indicators on the front panel will lit up, cooling fan spins at full speed for 3 seconds and a
“Beep” sound by means of Self-Testing.
Once Self-Testing completed, the status LEDs will lit up sequence in case of no battery connected.
Once battery connected, status LEDs all lit up for 5 seconds so to check battery status before start charging.
Charger Model
SBC-8138 , 12V/25A
SBC-8238 , 24V/13A
Battery Capacity
20 AH - 250 AH
10 AH - 125 AH
