The OC1225U 9-Stage Battery Charger, Maintainer & Power Supply is designed for lead-acid sealed batteries (Calcium, AGM, Gel & Wet) from 6Ah to 500Ah. The charger can also be used to maintain batteries up to 750Ah.

    Independently tested and certified to AS/NZS 60335.2.29 for electrical safety (including clause 21.102 for vibration specifically for use in caravans and similar vehicles)


    100% automatic smart battery charger & maintainer with reconditioning.

    12V 25A Power supply mode.

    The battery charger is easy to use and requires no technical experience.

    Fully microprocessor controlled with safety timers at every stage.

    Battery condition analysis.

    Selectable Battery Type.

    Selectable Charge Rate.

    Patented battery rejuvenation (reconditioning).

    Battery voltage retention analysis.

    Pulse charge for long term maintenance.

    Ultra lower power consumption (ECO Mode).

    Multi Stage:
    1 – Qualification – Battery condition check
    2 – Battery rejuvenation (recondition mode)
    3 – Soft start charging
    4 – Bulk charging
    5 – Absorption charging
    6 – Equalisation charging
    7 – Battery analysis
    8 – Float mode
    9 – Long term maintenance pulse charge

    Automatic diagnosis and charge: On power up, the charger will automatically diagnose the battery condition and determine if the rejuvenation mode (reconditioning) or charge cycle is required.

    Patented battery rejuvenation technology: The charger has a unique and patented rejuvenation feature which uses high voltage equalising and peak pulse reconditioning to repair sulphated batteries. This feature is fully automatic and depends on the internal impedance of the battery.

    Can be left on 24/7 to ensure your battery is always maintained and fully charged: The battery charger can be left unattended and left permanently connected all year round. The intelligent charger will monitor the battery voltage and will maintain it at peak performance with a special pulse charge during long term maintenance.

    Short circuit and reverse polarity protection.

    Heavy-duty and corrosion-resistant output connectors.

    Crocodile clips: It comes with a quick connect fly lead and heavy duty, fully insulated crocodile clip harness.

    Rapid Charge Mode: Uses maximum charging current to ensure the fastest charge time. You may hear the fan turn on during this mode.

    Silent Charge Mode: Charges at a slightly reduced charge rate so the cooling fan is not required.

    Maintenance Mode: Ideal and recommended for long term maintenance charging or for charging smaller batteries.

    Power Supply Mode: Press & Hold the Charge Rate button for 3 seconds to activate and deactivate Power Supply Mode. When in Power Supply Mode, the Pwr. Supply LED will be ON.

    Note: Refer to specifications for the OC1225U 12 Volt model only. 


    INTERNAL OVERHEAT PROTECTION:The charger has a built-in overheat and an overload electronic circuit. This protects the charger from being damage if overheated or overloaded and will automatically decrease the charging current. Once the units internal temperature decreases to a safe level, the charger will resume normal charging.

    SAFETY TIMER PROTECTION: The charger has safety timers for every stage. If the battery voltage doesn’t reach a certain voltage within a certain time, the unit will stop charging as it’s highly likely that you’re attempting to charge a severely discharged or heavily sulphated battery. If any of the stages time out, the charger will immediately stop charging in order to protect the battery. This will be indicated with the fault LED flashing slowly.

    REVERSE POLARITY: The charger has reverse polarity protection. If the charger output leads are connected reverse polarity, the fault LED will come on and the charger will be disabled. Simply unplug the charger from AC power and then connect the output leads to the correct polarity.

    SHORT CIRCUIT PROTECTION: The charger will automatically turn off if the output leads are short circuited and the fault LED will come on. This prevents the charger from being damaged if the positive and negative crocodile clips or the optional ring terminals accidently touch each other while the charger is turned on.

    ECO MODE: This Oz Charge battery charger has a built in ultra low power consumption circuit. If AC power is connected and the battery is disconnected, after 10 seconds the charger will automatically go into an ECO mode. During this mode the power drawn is less than 0.36W which totals 0.01kWh per day power consumption. If AC power is connected and the battery is connected, once the battery is fully charged and during the long term maintenance stage, the total power consumption is around 0.03kWh per day. Both the selected Charge rate and Battery type LED’s will flash GREEN to indicate ECO mode.


    Optional Accessories
    Model: OC-RDP – Remote Display with 5m Cable.

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