Infinite RV & Marine

Infinite RV & Marine is a solar and electrical shop based in San Marcos, California. You bring the RV to them for custom solar, lithium battery, inverter and electrical work, rather than having a tech come to your site.

They design and install systems for RVs, commercial vehicles, conversion vans and other specialty mobile applications, working with Victron Energy, Battle Born, LiTime and SOK batteries. Beyond power systems, they handle Cummins Onan generator service, air-conditioner replacement on Dometic, Furrion, Coleman and RecPro units, backup cameras, Starlink and mobile-internet integration, and audio/video upgrades, including work as an authorized DIRECTV dealer. Their service area covers San Diego and Southern California.

No hourly rate or trip fee is published, so ask about pricing and what an estimate covers when you call. Their own writing on solar costs is worth knowing before that call: pricing depends on array size, battery capacity, inverter demands and the condition of your existing wiring, which is why they recommend an inspection and energy assessment rather than a flat number over the phone. They are open Monday through Friday, 8am to 5pm, and closed weekends.

They hold a California State Certified Solar & Cable Contractor license (#1026676), matters for electrical work that mixes 12 to 48 volt DC and 120 volt AC systems in close quarters. They are also a Victron Certified Dealer and a certified dealer and service company for Cummins Onan RV generator systems. The company traces its roots to 2009, when David and Zack started a small company that has grown from there. Google rates them 4.9 stars from 40 reviews.

This is a good fit for an owner planning a solar or lithium upgrade, chasing down an electrical problem a generalist shop could not solve, or wanting Starlink, cameras or AC replacement done by one shop that also understands the RV's full power system.