MASTERVOLT MASS CHARGER 24/100 -C 190-242V 16A OUTPUT 28.50V 100A 40021006
Mastervolt Mass Charger 24/100-C is the ultimate high-current, three-stage battery charger for demanding 24V marine, RV, and off-grid power systems. Designed to deliver a massive 100-amp charge current, this industrial-grade charger rapidly replenishes large battery banks while ensuring maximum battery life through its advanced adaptive charging technology.
Product Code / Article Number:Â 40021006
Ideal for:
- 24V battery banks on yachts, sailboats, and workboats
- Large RV, camper, and caravan house battery systems
- Off-grid solar/wind backup charging systems
- Telecommunications and mobile power units
Key Features & Technical Specifications
Intelligent, Adaptive Charging:
- 3-Stage+ Charging (Bulk, Absorption, Float):Â Optimizes battery capacity and health.
- Temperature Compensation:Â Built-in sensor ensures perfect charging voltage based on ambient temperature, extending battery life.
- Wide AC Input Range (190-242V):Â Handles voltage fluctuations marinas and remote sites, ensuring reliable operation worldwide.
Powerful & Efficient Performance:
- Output: 28.5V DC / 100 Amps continuous.
- High Efficiency:Â Minimizes energy loss and heat generation.
- For Large Battery Banks:Â Perfect for systems from 200Ah to over 1000Ah.
Robust & Reliable Design:
- Full Metal Casing:Â Provides superior durability, shielding, and heat dissipation.
- Marine-Grade Construction:Â Corrosion-resistant, built to withstand harsh, humid environments.
- Comprehensive Protections:Â Includes safeguards against overvoltage, short circuit, overheating, and reverse polarity.
Universal Compatibility:
- Charges all common 24V battery types: Lead-Acid (Wet, Gel, AGM), as well as Lithium-Ion (LiFePO4) when used with a Mastervolt Battery Management System (BMS).
Why Choose the Mastervolt Mass Charger 24/100-C?
The MASS Charger 24/100-C is not just a power supply; it’s an investment in your energy system’s reliability. Its unmatched 100-amp output drastically reduces generator runtime, saving fuel and noise. The sophisticated charging algorithms ensure your expensive battery bank reaches its full cycle life, providing peace of mind during long voyages or off-grid living. It is the professional’s choice for high-capacity 24V systems where dependability is critical.
Full Specifications at a Glance:
- Model:Â 24/100-C
- PART Number:Â 40021006
- AC Input:Â 190-242V AC, 50/60 Hz, 16A Max
- DC Output:Â 28.5V DC, 100A (2850W max)
- SERIAL NO:Â H225P0071
- Battery Voltage:Â 24V Nominal
- Charging Stages:Â Bulk, Absorption, Float + Temperature Compensation
- Compatible Batteries:Â Lead-Acid (Wet, Gel, AGM), Lithium-Ion (with BMS)
- Protections:Â Overvoltage, Short Circuit, Over Temperature, Reverse Polarity
- Housing:Â Aluminum, fan-cooled
- Typical Applications:Â Marine, RV, Off-Grid, Professional Mobile





















