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All-in-one solution for faster and safer charging
The Mastervolt 44320405 ChargeMaster Plus Battery Charger 24/40-3 is a cutting-edge, all-in-one charging solution that consolidates multiple functions into a single device. By replacing auxiliary chargers, battery isolators, and VSR, the ChargeMaster Plus streamlines system complexity and reduces costs. Designed for versatility, it efficiently charges various combinations of two or three batteries in a fast and secure manner, providing global compatibility.
Key Features:
- Revival mode: Automatically revives even fully depleted batteries.
- Multi voltage: Charges a 12 V starter battery in a 24 V system without additional components (for 24 V models only).
- Priority Charge: Redirects available power to the lowest battery for faster charging.
- Smart Input: Charges all three batteries from a 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, making it suitable for harsh marine and mobile environments. It complies with CE, ABYC, UL, SAE, CEC/DOE, and RCM/C-Tick standards.
System Simplicity:
Equipped with the Battery’s Best Friend architecture, the ChargeMaster Plus displays the charge phase of all outputs clearly, with robust and ergonomic connections for easy installation. An integrated VSR eliminates the need for additional components, ensuring efficient energy transfer to the batteries.
Powerful Communications thanks to CZone integration:
The CAN-based MasterBus enables seamless communication with displays, shunts, and power systems, supporting communication standards like CZone®, NMEA 2000, and CANopen. The ChargeMaster Plus is highly configurable for system integration.
Additional Features:
- 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.
- Extended specifications offer 20% more output at 14.4 V and 80% charging power at 60 °C.
- Safe Charge: Quickly recognizes 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.
Specifications
Communication & monitoring Communication interfaces MasterBus, CZone, NMEA General specifications Nominal output voltage 24 V Max. output current primary output 40 A Smart In-/Output output voltage 12 or 24 V Smart In-/Output output current 5-10 A at 12 V; 5-20 A at 24 V (adjustable) Smart In-/Output input current max. 20 A at 24 V Total charge current 40 A at 28.8 V Max. AC current (230 V / 120 V) 6.8 A / 13.5 A Number of battery outlets 3 (max.) Battery bank size 160-400 Ah Nominal input voltage 120/230 V (80-275 V) 50/60 Hz AC connection screw terminals, suitable up to up to 6 mm² Power supply mode yes Galvanic isolation yes Display/read-out LED display Dimensions, hxwxd 384 x 250 x 127 mm
15.1 x 9.8 x 5.0 inchWeight 5.9 kg
13.0 lbCompliance CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR Technical specifications Charge characteristic IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option Temperature compensation -60 mV/°C / -76 mV/°F; temperature sensor included DC voltage compensation through automatic compensation or MasterShunt Power consumption (DC side) < 2 mA (MasterBus off) Current Control function yes, through MasterBus or CZone Power factor control > 0.98 Temperature range (ambient temp.) -25 °C to 80 °C, derating < 0 °C and > 40
Cooling vario fan Protection degree IP23, vertical mounting Protections over-temperature, overload, short circuit, high/low battery voltage, ignition protection Charger Status Interface (alarm contact) yes, using a Multipurpose Contact Output (code 77030500) -