850W DC DC Charger for Caravans & RVs | Fully Isolated 12V–48V

Unlock Reliable Alternator Charging for Your Caravan

The OzXCorp 850W DC-DC Charger is a high-performance, fully isolated charging solution engineered for caravans, RVs and off-grid power systems. Designed to safely convert vehicle alternator power into stable, efficient charging, it ensures your battery system performs at its best—no matter how remote your journey.

Built for Australian conditions, this charger delivers reliable power, maximum efficiency and long-term durability in demanding environments.

Key Features & Benefits

• Wide Input & Output Voltage (12V–57.4V)
  Supports modern alternators and lithium battery systems, including 48V setups.

• Fully Isolated DC-DC Design
  Protects your caravan electronics from voltage spikes, ground loops and alternator noise.

• 850W High-Power Output
  Enables fast, consistent charging while driving—ideal for high-capacity battery banks.

• >90% Energy Efficiency
  Minimises heat and energy loss for longer battery life and better system performance.

• Mil-Spec Construction
  Fully potted, shock resistant and flame resistant for extreme off-road conditions.

• IP67 Rated
  Dustproof and waterproof for under-chassis or exposed installations.

• Extreme Temperature Operation
  Designed to perform reliably in harsh Australian climates.

Plug-and-Play Installation

The OzXCorp 850W DC-DC Charger is designed for simple, plug-and-play installation, reducing setup time and eliminating unnecessary complexity. It integrates seamlessly with existing caravan and RV electrical systems, making it suitable for both new builds and retrofits.

No complex configuration. No compromises on safety.

Why Fully Isolated Charging Matters

In caravan and RV applications, voltage fluctuations from modern smart alternators can damage batteries and sensitive electronics. A fully isolated DC-DC charger ensures stable, regulated charging while protecting your system from electrical faults—critical for long-term reliability when travelling off-grid.

Built for Serious Off-Grid Power

Whether you’re powering a 48V lithium battery system, running high-load appliances, or simply want dependable charging on long drives, the OzXCorp 850W DC-DC Charger delivers professional-grade performance you can trust.

Do I need a DC-DC charger for my caravan?

Yes. Modern vehicles use smart alternators that do not reliably charge auxiliary or lithium batteries. A DC-DC charger ensures safe, regulated charging while driving.

Is a fully isolated DC-DC charger better?

A fully isolated DC-DC charger protects your caravan’s electrical system from voltage spikes, ground loops and alternator noise—especially important for lithium and 48V systems.

Can this charger charge 48V lithium .batteries?

Yes. The OzXCorp 850W DC-DC Charger with dedicated output voltage up to 57.4V