Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt’s innovative 3-step+ charging process, batteries also perform better and last longer.

All ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection (with the exception of the ChargeMaster 12/10, ChargeMaster 12/15-2 and ChargeMaster 24/6). What’s more, you have the option for central, local or remote monitoring, configuration and control of your system.

Clear Display

A clearly lit display on the ChargeMaster provides all essential information: charge current, charge voltage, charge phase and battery content measurement and/or battery condition measurement as a percentage of available Ah capacity. The display also provides an indication of MasterBus communication. Three buttons adjacent to the read-out panel allow for easy operating of the entire system.

The ChargeMaster is available in various models to guarantee you the ideal battery charger for any situation and demand.

Features

  • For recreational and semi-professional use.
  • Suitable for any type of battery, including Lithium Ion batteries.
  • 3-Step+ charging technology for fast and complete charging, also charges depleted batteries.
  • Memory function prevents overcharging in case of unreliable mains.
  • Safe and complete charging due to standard safety features.
  • Charging capacity up to 1000 Ah battery banks.
  • Easy to connect and quick to install.
  • Can charge multiple battery banks simultaneously.
  • Built-in system functionality (MasterBus) in combination with other Mastervolt products.
  • Clear control panel (with the exception of the ChargeMaster 12/10, ChargeMaster 12/15-2 and ChargeMaster 24/6).
  • Supplies your system without battery.

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.

Robust Connections

Solid metal-to-metal connectors equipped with strain relief prevent corrosion and overheating.

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.

DC Power Supply

Even if the batteries are not connected, Mastervolt ChargeMaster battery chargers can provide a constant DC output allowing you to turn on lights or keep the fridge cold.

General specifications

Nominal output voltage

12 V

Total charge current

50 A at 14.4 V

Number of battery outlets

3

Charge current second output

50 A

Charge current third output

50 A

Battery bank size

100-500 Ah

Nominal input voltage

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

AC connection

connector strips

Power supply mode

yes

Galvanic isolation

yes

Display/read-out

LED display

Fastening

mounting bracket (included) or 4x screw

Dimensions, hxwxd

291 x 210 x 131 mm
11.5 x 8.3 x 5.2 inch

Weight

4 kg
8.8 lb

Compliance

CE, ABYC A-31, SAE J1171/ISO 8846 ignition protected, RMRS, RRR

 

Technical specifications

Charge characteristic

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

Charge voltage Bulk

14.4 V

Charge voltage Absorption

14.25 V

Absorption time

4 hours

Charge voltage Float (wet batteries)

13.25 V

Charge voltage Float (Gel/AGM batteries)

13.8 V

Temperature compensation

yes

DC voltage compensation

automatic

Power consumption (DC side)

< 5 mA

Full load consumption (230 V AC)

825 W

Current Control function

yes, through MasterBus

Power factor control

≥ 0.98

Temperature range (ambient temp.)

-25 °C to 60 °C, derating < 0 °C and > 40 °C
-13 °F to 140 °F

Cooling

vario fan

Protection degree

IP23

Protections

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

MasterBus compatible

yes

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