DCDC25A Dual Battery Charger
Safety Information
•Read the instructions before installing the unit.
•Disconnected all batteries before installation.
•Use correct fuses as indicated on the installation diagram.
•Only 12V lead-acid and automotive Lithium batteries should be charged.
•Under NO circumstances should the unit be altered or disassembled.
•Do not use the output of the unit to power any device directly.
•Warranty will be null in void if unauthorized disassembly, modifications, or repairs occurs.
•Warranty will be void in any attempt to use the DCDC25A for purposes other than indicated in this manual.
Features
•Dual purpose DC to DC Lead Acid Battery and Lithium charger.
•Charges 12V Lead Acid and Lithium batteries from vehicle or solar panel.
•Integrated 375W MPPT Solar Panel Charge controller
•Eliminates dual battery switch.
•Short circuit protection on inputs and outputs.
Status Display
•Battery type selection button: ”BATTsel”
•Battery type indicator for AGM/GEL/LAC ”AGM”
•Battery type indicator for lithium: ”LITH”
•Charge indicator: (Flashing=Float ; Solid=Boost) “CHARGE”
•Input source indicator vehicle: ”VEH”
•Input source indicator solar: ”SOL”
Installation
•Install the unit in a well-ventilated area.
•Install the unit close to the auxiliary battery.
•Horizontal or vertical(preferred) installation is suitable.
•The cooling fins of the unit should not be obstructed or blocked.
•Under load the unit will reach high temperatures.
•In-line fuses must be fitted in the positive cables close to the respective main and auxiliary batteries.
•10mm² cables are recommended for connecting to the main and auxiliary batteries.
•Connect all negative connections to the negative pole at the auxiliary battery if possible.
•Ensure all connections and cables are correctly installed.
•Reconnect the Main battery.
•Select the Auxiliary battery type.
Selecting Battery Type
Select the battery type by pressing the button named “BATTsel” for two seconds, the selected battery type LED will be
displayed.
•LITH : Lithium Iron Phosphate (LiFePO4).
•AGM : AGM/GEL/LAC.
Ignition
The ignition (IGN) input can be used with smart alternators, connect the IGN wire to a switched positive ignition source,
the unit ON and OFF voltages will be adjusted as indicated in the specifications.
!! Do not connect the IGN connection to a non-switched positive supply, drain on the main battery will occur.