Electrical System Design
Load planning, component selection, wiring strategy, and documentation for installed or DIY systems.
Services
Professional Off-Grid Systems Integration Services
Design, install, diagnose, and upgrade off-grid electrical, solar, battery, data, communication, heating, and monitoring systems for vehicles, boats, service trucks, trailers, and cabins.
SERVICE EXPERTISE
Built for owners who need dependable systems, not guesswork
We design, install, and upgrade reliable off-grid electrical, solar, battery, charging, and climate systems. Every setup is carefully planned around your vehicle, power requirements, travel needs, and long-term reliability.
Solar & Charging
Roof solar, DC-DC charging, shore power, alternator charging, and charge management.
Battery & Inverter Upgrades
Lithium banks, inverters, monitoring, and clean power layouts for appliances, tools, and onboard systems.
Diagnostics & Repairs
Troubleshooting for batteries, charging, wiring, appliances, and unstable system performance.
Heating & Gas Support
Heater support, water systems, ventilation, and cold-weather comfort for remote travel.
Data & Communication Integration
Starlink, routers, monitoring, cameras, sensors, remote access, and connected system visibility.
FEATURED INSTALLATIONS
Real off-grid systems built for the way you travel
Explore examples of custom electrical, solar, battery, charging, and climate-control systems designed for RVs, vans, overland vehicles, marine applications, and specialty builds.
Electrical system rebuild
Electrical System Rebuild
Battery, charging, monitoring, labeling, protection, and access planned as one serviceable layout.
Marine systems
Marine Power & Communication Support
Charging, monitoring, remote visibility, and wet-environment planning for boats and marine systems.
Commercial field systems
Service Vehicle Integration
Tool power, communications, mobile work support, and durable wiring for commercial field vehicles.
Heating and controls
Heating, Comfort & Controls
Heater support, ventilation, comfort loads, and power management for cold-weather use.
Process & handoff
From DIY uncertainty to documented, serviceable systems
OAS can design the system, install the system, diagnose an existing issue, or support capable DIY installers who want professional review before they build.
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Load analysis, battery sizing, and charging source review
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Clean wiring, labels, fusing, monitoring, and documentation
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Post-build support, diagnostics, and repair-friendly layouts
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Optional DIY design review and troubleshooting assistance
Process
How Your Project Starts
System Location
Tell us whether it is a vehicle, boat, service truck, trailer, cabin, or mixed-use system.
Power Needs
We map your loads, battery capacity, and charging sources.
Integration Plan
You get a practical plan with clear priorities, component options, and communication needs.
Build / Repair
Professional execution with clean documentation and handoff.
More than vans & RVs
Marine, Service Vehicle, Trailer & Cabin Systems
OAS is a systems integration specialist. The same planning discipline applies whether the system lives in a boat, service truck, trailer, cabin, or adventure vehicle.
Marine Systems
Power, charging, monitoring, and communications for boats that need dependable systems in wet, remote environments.
Service Vehicle Integration
Utility trucks, work vehicles, and mobile service platforms with power, tools, data, and communication needs.
Trailers, Cabins & Remote Sites
Off-grid power and monitoring support for trailers, cabins, mobile workspaces, and specialty remote setups.
FAQ
Questions Before You Start?
Common questions about services, diagnostics, components, and project planning.
Do you only work on vans and RVs?
No. OAS integrates systems in camper vans, RVs, boats, service vehicles, trailers, and cabins. The platform changes, but the work still centers on dependable power, monitoring, communications, and serviceability.
Can you diagnose an existing electrical issue?
Yes. We can assess charging, batteries, wiring, monitoring, and unstable system behavior before recommending repairs.
Can I shop components without booking service?
Yes. Browse the component range and choose install-ready equipment for your project.
Do you offer DIY assistance?
Yes. Design reviews, component planning, and practical installation guidance are available.
Do you provide service examples or project photos?
Yes. Visit the project portfolio for examples of real system layouts and completed installations.
Ready when you are
Ready to Design a More Reliable Off-Grid System?
Tell us where the system lives, what it needs to power, and what you want it to communicate. We will help you choose the right next step.