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Home » Shop » Mastervolt Power Products » Mastervolt ChargeMaster Plus 12/100-3 Battery Charger – 44311005

Mastervolt ChargeMaster Plus 12/100-3 Battery Charger – 44311005

Original price was: $1,350.58.Current price is: $784.30.

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SKU: EX 44311005 Category:
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Mastervolt 44311005 – ChargeMaster Plus 12/100-3 Battery Charger (12V, 100A, 3 Outputs) – Smart Multi-Function, Galvanically Isolated

The ChargeMaster Plus 12/100-3 represents the next evolution in intelligent battery charging. This powerful charger integrates multiple functions into one streamlined device, replacing the need for separate auxiliary chargers, battery isolators, and voltage sensing relays. With a 100A total charge output, galvanic isolation, and support for up to 3 battery banks, it is ideal for complex, high-capacity systems.

Key Features

  • Multifunctional charger with 2 dedicated outputs and 1 configurable smart in/output
  • High charging capacity: 100 A at 14.4 V
  • Compatible with all battery types: Lithium Ion, Gel, AGM, Flooded
  • Fast and safe 3-step+ charging method
  • Revival mode for deeply discharged batteries
  • Priority Charge: reallocates current for optimal recharge speed
  • Smart Input: allows alternator-based charging across banks
  • Fully isolated AC and DC circuits for system safety
  • Compact footprint: 384 x 250 x 127 mm, weight 5.9 kg

Electrical Specifications

Parameter Value
Nominal Output Voltage 12 V
Max Output Current 100 A
Total Charge Current 100 A at 14.4 V
Smart In/Output Voltage 12 V
Smart In/Output Current 5–40 A (adjustable), max input 40 A
Number of Battery Outputs 3
Battery Bank Size 400–1000 Ah
AC Input Voltage Range 80–275 V AC
Frequency 50/60 Hz
Max AC Current (230 V / 120 V) 8.5 A / 17 A
Power Factor > 0.98

Smart Charging Features

  • 3-step+ IUoUo charging profile with user-defined support
  • Temperature-compensated charging: -30 mV/°C (sensor included)
  • DC voltage compensation via MasterShunt or automatic
  • Safe Charge: monitors battery State of Charge to extend life
  • Extended performance: 20% extra power at 14.4 V, 80% power at 60 °C

Monitoring & Communication

  • Interfaces: MasterBus, CZone, NMEA 2000
  • CZone-ready, supports config files directly
  • Expandable to CANopen, ModBus, LinBus via external interfaces
  • Alarm interface via Multipurpose Contact Output (77030500)

Mechanical & Environmental Specifications

Parameter Value
Dimensions (H x W x D) 384 x 250 x 127 mm / 15.1 x 9.8 x 5.0 in
Weight 5.9 kg / 13.0 lb
Cooling Vario fan
Operating Temperature Range -25 °C to 80 °C (derating 40 °C)
Protection Degree IP23 (vertical mounting)
No-load Power Consumption <2 mA (MasterBus off)

Certifications & Safety Protections

  • Certifications: CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR
  • Protection against over-temperature, overload, short circuit, ignition risks, and voltage irregularities

For marine engineers, system integrators, and advanced mobile setups, the ChargeMaster Plus 12/100-3 offers unmatched versatility, communication, and power density in a robust and easy-to-install package. Perfect for scalable power systems demanding total control and global reliability.