Mastervolt ChargeMaster Plus 12/75-3 Battery Charger - 44310750

SKU: EX 44310750

1-2 weeks delivery time

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The Mastervolt ChargeMaster Plus 24/100-3 (44021002) is a state-of-the-art multicharger combining a primary 75 A output, smart DC in-/output, and intelligent battery management in one rugged device. Supporting global AC input (80–275 V), ignition protection, and full MasterBus communication, this charger is ideal for complex lithium, AGM, or Gel-based 24 V systems with up to 800 Ah capacity. WAGO terminal connector included.

Description
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Mastervolt 44021002 – ChargeMaster Plus 24 V/100 A Battery Charger (3 Outputs, Smart Input, MasterBus, WAGO Connector)

The Mastervolt ChargeMaster Plus 24/100-3 is an advanced battery charging solution designed to simplify and centralize power management in marine, mobile, and industrial applications. This multicharger combines a powerful 75 A primary output, smart adjustable in-/output, and battery bank prioritization, offering unmatched charging flexibility for modern energy systems.

Key Features

Multicharger: Primary output + Smart In-/Output (5–40 A adjustable)
3-Step+ IUoUo algorithm: Fully automatic, battery-safe charging
Revival Mode: Auto recovery for deeply discharged batteries
Priority Charging: Fastest recharge of the most depleted battery
MasterBus: Seamless integration with Mastervolt, CZone®, NMEA, and CANopen systems
Powerful DC input/output: Use one alternator to charge all batteries
Global input range: 80–275 V AC, 50/60 Hz
WAGO connector: OEM-friendly connection for fast installation
IP23-rated aluminum casing: Suitable for engine rooms and technical spaces

General Specifications

Specification	Value
Product Code	44021002
Nominal Output Voltage	24 V
Primary Output Current	75 A
Smart In-/Output Voltage	24 V
Smart In-/Output Current	5–40 A (adjustable)
Total Charge Current	75 A at 28.8 V
Battery Bank Size	320–800 Ah
Number of Outputs	Up to 3
AC Input Voltage	80–275 V AC, 50/60 Hz
Max AC Current (230 V/120 V)	6.5 A / 13 A
Display	LED indicators
Mounting	Vertical (wall), with IP23 protection
Dimensions (HxWxD)	384 × 250 × 127 mm
Weight	5.9 kg (13.0 lb)
Certifications	CE, ABYC, UL1236, ISO 8846, SAE J1171, CEC/DOE, RCM/C-Tick

Technical Details

Parameter	Value
Charge Characteristic	IUoUo, automatic / 3-Step+ for Gel, AGM, Lithium, Spiral, Traction
Temperature Compensation	-30 mV/°C; sensor included
DC Voltage Compensation	Yes (via MasterShunt)
DC Standby Consumption	< 2 mA (MasterBus off)
Power Factor	> 0.98
Cooling	Vario fan
Ambient Operating Temperature	–25 °C to +80 °C (derating outside 0–40 °C)
Protection Degree	IP23
Safety Features	Over-temp, overload, short circuit, ignition-safe, over/under-voltage
MasterBus Compatible	Yes
Alarm Output	Yes, via Multipurpose Contact Output (Code: 77030500)