24/12-3 ChargeMaster

24/12-3 ChargeMaster

24/12-3 ChargeMaster

Calificaciones y evaluaciones de los clientes

ChargeMaster 24/12-3

MFG#: 44020120


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General specifications 



Nom. output voltage

24 V


Total charge current

12 A


Number of battery outlets



Charge current second output

12 A


Charge current third output

12 A


Battery capacity range

24-120 Ah


Nominal input voltage

120/230 V (90-265 V), 50/60 Hz


AC connection

2 mtr AC cable


Supplies your system without battery




LED display


Dimensions, hxwxd

234 x 132 x 60 mm

9.2 x 5.2 x 2.4 inch



1.8 kg

4.0 lb



4x screw



CE, ABYC A-31, SAE J1171/ISO8846 ignition protected



Technical specifications 



Charge characteristic

IUoUo, automatic / 3-step+ for gel/AGM/wet/Lithium Ion


Charge voltage Bulk

28.8 V


Charge voltage Absorption

28.5 V


Absorption time

4 hours


Charge voltage Float (wet batteries)

26.5 V


Charge voltage Float (gel/AGM batteries)

27.6 V


Temperature compensation

-60 mV/ °C

-33 mV/ °F


Voltage compensation



Power consumption (DC side)

< 2 mA


Full load consumption (230 V AC)

435 W


Current Control function



Power factor control

≥ 0.98


Temperature range (ambient temp.)

-25 °C to 60 °C, derating > 25 °C

-13 to 140 °F



vario fan


Sound level

< 52 dBA at 1 mtr


Protection degree




over temperature, over load, short circuit, high battery, low battery


MasterBus compatible



CSI/DC alarm

yes, using a Multipurpose Contact Output (code 77030500)


Power you can rely on


  • 3-Step+ charging technology for fast and complete charging. 

  • Safe and complete charging due to standard safety features.

  • Memory function prevents overcharging in case of an unstable power supply. 

  • Clear control panel.

  • Easy to install.

  • Built-in system functionality (MasterBus) in combination with other Mastervolt products.


Always on course with Mastervolt…


Mastervolt ensures you an electrical system with no weak links and a dependable and silent power supply. Whether for recreational or professional purposes, with Mastervolt you always have power you can rely on... The power to be independent.


ChargeMaster battery chargers


Make the most of your batteries with the ChargeMaster, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. The ChargeMaster can charge multiple battery banks simultaneously thanks to its combined functionality. Moreover, all ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection. You also have the option of central, local or remote monitoring, configuration and control of your system. The ChargeMaster is available in various models to guarantee you the ideal battery charger for any situation and demand.


Product code: 44020120 

User Manual


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