Reliable Power Wherever the Road Takes You
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🚐 Full-Time & Weekend RVers
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🍔 Food Trailers & Food Trucks
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🚚 Mobile Businesses & Work Trailers
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🏕️ Tiny Homes on Wheels
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🛠️ Contractor & Utility Trailers
RV & Mobile Trailer Solar Power System
Reliable off-grid power for RVs, food trailers, mobile businesses, and travel rigs
Whether you’re living full-time in an RV, running a food trailer, or need dependable power on the road, Sundown Solar designs and installs custom solar + battery systems built for real-world mobile use not cookie-cutter kits.
We specialize in off-grid and hybrid mobile systems that keep you powered without noisy generators, campground hookups, or unreliable installs.
What We Design & Install
Every system is custom built based on your loads, space, and usage, not guesswork.
Typical Mobile Power Solutions Include:
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Roof-mounted or ground-deploy solar panels
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Lithium battery storage (LiFePO₄)
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Inverters sized for real appliance loads
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MPPT charge controllers
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Shore power & generator integration
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DC & AC distribution upgrades
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System monitoring & user training
We design systems that safely power:
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Refrigerators & freezers
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Lights & outlets
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TVs, Starlink, and electronics
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Water pumps
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Mini-splits & RV air conditioners (when properly sized)
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Cooking equipment (case-by-case for food trailers)
Common RV & Trailer System Examples
Weekend RV Setup
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400–800W solar
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1–2 lithium batteries
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2000–3000W inverter
Perfect for lights, fridge, outlets, and short AC runtime
Full-Time RV / Boondocking
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1.2–2.4kW solar
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2–4 lithium batteries
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3000–6000W inverter
Supports daily living without hookups
Food Trailer / Mobile Business
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High-capacity inverter
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Multiple batteries
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Solar + shore power hybrid
Designed around equipment startup loads and runtime
Why Sundown Solar?
(Not a Kit Seller)
✔ Custom engineered systems not prebuilt kits
✔ Honest load calculations (no inflated claims)
✔ Clean, professional installs
✔ Texas-based support
✔ We service & upgrade existing systems
✔ Designed for safety, heat, and vibration
We build systems the right way, not the cheapest way.
How the Process Works
1.Consultation
We review your trailer/RV, appliances, and power goals
2.System Design
You receive a clear, custom system plan
3.Install or Retrofit
On-site or scheduled install
4.Walkthrough & Support We teach you how to use and monitor your system
Frequently Asked Questions
Can solar run my RV air conditioner?
Yes, with proper system sizing. A/C requires enough solar, battery capacity, and inverter power.
Can you upgrade my existing RV solar system?
Absolutely. We troubleshoot, expand, and fix poorly installed systems all the time.
Do you work on food trailers?
Yes. We design systems around real equipment loads, including high startup currents. We also integrate the system for a generator as a backup
Do I need shore power or a generator?
Not always. We give you the capabilities to switching power sources with no issue. Many clients run fully off-grid or use hybrid systems for flexibility.
