Mastervolt has become one of the top global brands in marine, RV, van conversion, off-grid, and commercial power systems. Their products are engineered for extreme reliability, clean energy delivery, and long service life in demanding environments — from saltwater offshore conditions to mobile overland rigs and utility fleet vehicles.
1. CombiMaster Inverter/Chargers (12/1500–12/3500 Series)
The Mastervolt combimaster series is a compact, lightweight, and highly efficient combination of inverter + charger in one system. It’s perfect for boats, RVs, vans, service trucks, and off-grid cabins requiring seamless AC power and fast battery recovery.
Available Models
- CombiMaster 12/1500-60
- CombiMaster 12/2000-100
- CombiMaster 12/3000-160
- CombiMaster 12/3500-200
Key Features
- Pure sine wave output for sensitive electronics
- Automatic AC transfer switching between shore, generator, and inverter
- Integrated fast charger with high-output charge current
- Power Boost / Power Assist to support weak shore power
- Compact marine-grade housing to resist vibration, moisture, and heat
These units work flawlessly as the heart of a 12V or 24V mobile power system and pair perfectly with any Mastervolt battery charger or lithium storage setup.
2. ChargeMaster Plus – 12V/35A Smart Battery Charger
The ChargeMaster Plus line is one of the most advanced multi-bank chargers Mastervolt has ever built.
Key Features
- Three independent outputs for multiple battery banks
- Adaptive charging profiles for AGM, Gel, Flooded, and Lithium
- Fast recharge cycles with high efficiency
- Battery temperature monitoring for safer operation
- Automatic global power compatibility for worldwide AC inputs
As a Mastervolt charger, ChargeMaster Plus is ideal for boats, vans, and RVs that run multiple DC systems and need dependable multi-bank charging.
For anyone upgrading to a more modern charging solution, this is one of the most popular mastervolt battery charger options available.
3. Mac Plus & Magic Series DC-DC Chargers
The Mac Plus 12/12-50 + CZone and Magic Series 12/12-20 DC-DC chargers give users the ability to safely charge a secondary battery bank from an alternator or other DC source.
Key Features
- Smart alternator compatible (perfect for Sprinter, Transit, Euro-5/6 vehicles)
- Stable multi-stage charging for auxiliary batteries
- Supports all battery types: AGM, Flooded, Gel, and Lithium
- Isolated and non-isolated models depending on application
- Efficient cooling fins for continuous duty cycles
These DC-DC chargers complete any dual-battery setup, especially when paired with a Mastervolt battery or MLI Ultra lithium bank.
4. MLI Ultra Lithium Batteries (12V/1250Wh/100Ah)
The Mastervolt lithium battery line — especially the MLI Ultra series — represents some of the most advanced lithium storage available for marine and mobile applications.
Key Features
- Unmatched energy density for compact installations
- Thousands of deep cycles with minimal degradation
- Fully integrated BMS (Battery Management System)
- Fast charge/discharge capability
- Lightweight compared to AGM or Gel batteries
- Superior cold-temperature and high-temperature performance
For heavy-use or solar-integrated systems, mastervolt batteries lithium offer the perfect blend of power, weight savings, and durability. Whether for a boat, RV, service truck, or off-grid cabin, these batteries outperform traditional chemistries in every category.
If you’re upgrading a system, pairing a CombiMaster with a mastervolt battery and a Mac Plus DC-DC charger creates a complete, high-efficiency hybrid power system.
Who Mastervolt Systems Are Best For
Marine Vessels
Saltwater-rated components, corrosion-resistant construction, and reliable inverter/charging capabilities make Mastervolt the gold standard for yachts, sailboats, and workboats.
RVs, Vans & Expedition Vehicles
CombiMaster + ChargeMaster + Mac Plus DC-DC charger is one of the most reliable power combos for 12V/120V hybrid systems.
Off-Grid Cabins
MLI Ultra batteries deliver long-duration storage with fast recharge from solar or generator sources.
Commercial Fleets
Service trucks, mobile workshops, emergency response vehicles, and utility fleets depend on stable AC and DC power — exactly what Mastervolt delivers.
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Browse the full Mastervolt collection here: https://www.12voltpower.com/product-category/brands/mastervolt/