• Brand: Battery Chargers
  • Product Code: AXB01353GPL
  • Availability: In Stock
  • Ex Tax: $155.00

Mastervolt ChargeMaster 12/25-3 - Mastervolt 44010250 - Power You Can Rely On

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


-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.
-Charging capacity up to 1000 Ah.

-Easy installation.
-Built-in system functionality (MasterBus) in combination with other Mastervolt products.
-Suitable for any type of battery, including Lithium Ion batteries
-Supplies your system without battery
-Can charge multiple battery banks simultaneously

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. 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.

Charging your Batteries with Every Voltage

The Mastervolt ChargeMaster supplies a maximum capacity wherever you are via auto-ranging. Auto-ranging ensures perfect fully automatic operation anywhere in the world, regardless of the available mains voltage (90-265 V AC, 50 or 60 Hz). The 3-step+ charging technology guarantees fast and complete charging, while the cos phi 1 regulation gets the most out of limited generator capacity.

Strong & Sturdy Connections

Metal-on-metal fitting gives a firm connection, and prevents corrosion or overheating of contact surfaces.

Charging Multiple Battery Banks

The ChargeMaster series has three equal charge outputs. Those of the smaller ChargeMaster models are pre-installed with two metres of cable for a plug & play solution, while the heavier models have one full output (for example for your service battery) and two outputs of 10 A, ideal for your starter batteries.

General specifications: ChargeMaster 12/25, 44010250
Nominal output voltage12V
Total charge current25 A
Number of battery outlets3
Charge current second output25 A
Charge current third output25 A
Battery capacity range50-250 Ah
Nominal input voltage120/230 V (90-265 V), 50/60 Hz
AC connection2 mtr AC cable
Supplies your system without batteryyes
Display/read-outLED display
Dimensions, hxwxd234 x 132 x 60 mm
9.2 x 5.2 x 2.4 inch
Weight1.8 kg
4.0 lb
Fastening4x screw
ApprovalsCE, ABYC A-31, SAE J1171/ISO 8846 ignition protected
Technical specifications: Mastervolt 44010250
Charge characteristicIUoUo, automatic 3-step+ for gel/AGM/wet/Lithium Ion
Charge voltage Bulk14.4 V
Charge voltage Absorption14.25 V
Absorption time4 hours
Charge voltage Float (wet batteries)13.25 V
Charge voltage Float (gel/AGM batteries)13.8 V
Temperature compensation-30 mV/ °C
-17 mV/ °F
Voltage compensationautomatic
Power consumption (DC side)< 2 mA
Full load consumption (230 V AC)450 W
Current Control functionno
Power factor control≥ 0.98
Temperature range (ambient temp.)-25 °C to 60 °C, derating > 40 °C
-13 to 140 °F
Sound level< 52 dBA at 1 mtr
Protection degreeIP23
CSI/DC alarmyes, using a Multipurpose Contact Output (code 77030500)
Protectionsover temperature, over load, short circuit, high/low battery voltage
Coolingvario fan
MasterBus compatibleyes

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