Victron Phoenix Charger 24/25 (2+1) 120-240V


  • Adaptive 4-stage charge characteristic: bulk – absorption – float – storag The Phoenix Charger features a microprocessor controlled ‘adaptive’ battery management system that can be preset to suit different types of batteries. The ‘adaptive’ feature will automatically optimise the process relative to the way the battery is being used.

    The right amount of charge: variable absorption time

    When only shallow discharges occur (a yacht connected to shore power for example) the absorption time is kept short in order to prevent overcharging of the battery. After a deep discharge the absorption time is automatically increased to make sure that the battery is completely recharged.

    Preventing damage due to excessive gassing: the BatterySafe mode (see fig. 2 below)

    If, in order to quickly charge a battery, a high charge current in combination with a high absorption voltage has been chosen, the Phoenix Charger will prevent damage due to excessive gassing by automatically limiting the rate of voltage increase once the gassing voltage has been reached (see the charge curve between 14,4 V and 15,0 V in fig. 2 below).

    Less maintenance and aging when the battery is not in use: the Storage mode (see fig. 1 & 2 below)

    The storage mode kicks in whenever the battery has not been subjected to discharge during 24 hours. In the storage mode float voltage is reduced to 2,2 V/cell (13,2 V for 12 V battery) to minimize gassing and corrosion of the positive plates. Once a week the voltage is raised back to the absorption level to ‘equalize’ the battery. This feature prevents stratification of the electrolyte and sulphation, a major cause of early battery failure.

    To increase battery life: temperature compensation

    Every Phoenix Charger comes with a battery temperature sensor. When connected, charge voltage will automatically decrease with increasing battery temperature. This feature is especially recommended for sealed batteries and/or when important fluctuations of battery temperature are expected.

    Battery voltage sense

    In order to compensate for voltage loss due to cable resistance, Phoenix Chargers are provided with a voltage sense facility so that the battery always receives the correct charge voltage. Universal 90-265 V AC input voltage range and also suitable for DC supply (AC-DC and DC-DC operation).The chargers will accept a 90-400 V DC supply.

    Computer interface

    Every Phoenix Charger is ready to communicate with a computer through its RS-485 data port. Together with our VEConfigure software, which can be downloaded free of charge from our website and the data link MK2-USB (see accessories), all parameters of the chargers can be customised.

    Learn more about batteries and battery charging

    To learn more about batteries and charging batteries, please refer to our book ‘Energy Unlimited’ (available free of charge from Victron Energy and downloadable from For more information about adaptive charging please look under Technical Information on our website.



    Short Description

    Victron Phoenix Charger 24/25 (2+1) 120-240V, 5 Year Warranty

    SKU PCH024025001
    GTIN (Global Trade Item Number) 8719076023289
    Brands Victron
    Output Current Rating (Amps) 25.0 Amps
    Operating Temperature Range -20 to 60°C (0 - 140°F)
    AC Input Connection Screw-clamp 4 mm2 (AWG 11)
    Humidity Max 95%
    Output System Voltage 24V
    Charge current 25A
    Dimensions 350 x 200 x 108 mm (L x W x H)
    Net Weight (kg) 3.8 Kg
    Charge voltage 'absorption' 28,8
    Charge Voltage Float - Wet (25 degrees)** 27,6
    Protection category IP 21
    Battery-connection M6 studs
    Input Voltage 90-265 (VAC)
    Manufacturers Warranty 5 Years
  • Victron Phoenix Charger 24/25 (2+1) 120-240V

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