Mastervolt 12V 100A-3 ChargeMaster Plus Battery Charger with CZone Integration

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Product Description

Mastervolt 12V 100A-3 ChargeMaster Plus Battery Charger with CZone Integration, 2 Year Warranty.

All-in-one solution for faster and safer charging

ChargeMaster Plus is the next generation of battery chargers that integrates multiple functions into one single device. Replacing auxiliary chargers, battery isolators and VSR, ChargeMaster Plus reduces system complexity and cost. Designed for versatility, it charges virtually any combination of two or three batteries in a fast and safe way and works anywhere in the world.

With the new Battery’s Best Friend architecture, ChargeMaster Plus is capable of charging a multitude of battery chemistries, sizes and voltages. All batteries are charged with the fast and safe 3-step+ charge method. Other unique features are:

  • Revival mode: automatically revives even fully depleted batteries.
  • Multi voltage: charge 12 V starter battery in a 24 V system, without additional components (for 24 V models only).
  • Priority Charge: redirect available power to the lowest battery, for faster charging.
  • Smart Input: charge all three batteries from one single alternator for continuous charging on the go.

Global Charging

The ChargeMaster Plus handles worldwide AC voltages and frequencies. Resisting large voltage fluctuations and high temperatures, it keeps working in harsh environments. For marine and mobile markets, the ChargeMaster Plus is CE, ABYC, UL, SAE, CEC/DOE and RCM/C-Tick compliant.

System Simplicity

Nowadays, equipment must be self-explaining. The ChargeMaster Plus displays the charge phase of all outputs in an understandable way. Robust and ergonomic connections save installation time. An integrated VSR eliminates the need for additional components and ensures that the alternators energy is funnelled through to the batteries.

Powerful Communications thanks to CZone integration

In modern applications, all electrical components work together. The CAN-based MasterBus enables the ChargeMaster Plus to communicate with displays, shunts and power systems including communication standards like CZone®, NMEA 2000 and CANopen (through additional interfaces).

Models with the addition CZone do not only support MasterBus, but also support CZone and NMEA 2000 communication, without the need of additional interfaces. This ChargeMasters Plus series can be configured via MasterBus or will accept a CZone configuration file just like any other CZone device. Other communication standards like ModBus, CANopen, LinBus, etc. are supported via additional interfaces.

This wide range of communication interfaces makes the ChargeMaster Plus ideally suited for system integration. In addition, the ChargeMaster Plus can operate as a power supply for delicate communication equipment, or during the construction phase of a boat.


  • Multicharger with two outputs, one in/output, DC-DC converter, current limiter and VSR.
  • Charges Lithium Ion, Gel and AGM batteries, the 24 V models also charge large or small battery banks on a single battery charger.
  • Combine Lithium Ion, Gel or AGM, and large or small battery
  • Charges multiple batteries while being underway.
  • Extended specifications: offers 20 % more output at 14.4 V and 80 % charging power at 60 °C.
  • Safe Charge: quickly recognize the State of Charge for extended battery life.
  • Very wide operating range of 80-275 V AC, 35-70 Hz.
  • Compact, easy to connect and quick to install.

Product Card

Installation Guide


SKU 110339

Brand Mastervolt

GTIN 816882022548

Product Category Battery Chargers

Output Current Rating (Amps) 100

Model 110338

Nominal Voltage 12v

AC Connection screw terminals, suitable up to up to 6 mm²

Charge Current Second Output 100A

Inverter Nominal Input Voltage 120/230 V (80-275 V) 50/60 Hz

Output System Voltage 12V

Dimensions 384mm x 250mm x 127mm

MasterBUS Compatible Yes

Current Control Function yes, through MasterBus or CZone

Temperature Compensation -30 mV/°C / -17 mV/°F; temperature sensor included

Display/Read-Out LED Display

Recommended Battery Capacity 400-1000 Ah

Number Of Battery Outlets 3 (max)

Protections over-temperature, overload, short circuit, high/low battery voltage, ignition protection

Charger Voltage 12V

Net Weight (kg) 5.9

Protection Degree IP23, vertical mounting

DC Consumption < 2 mA (MasterBus off)

Charge Characteristic* IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option

Supplies Your System Without Battery Yes

Charge Current Third Output 100A

Total Charge Current 100A at 14.4 V

Cooling vario fan

CSI/DC Alarm Yes, using a Multipurpose Contact Output (code 77030500)

Cos Phi >0.98

Voltage Compensation through automatic compensation or MasterShunt

Approvals CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR

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