Description
Product Overview
Spartan Power presents the SpartanStart soft starter, a stand‑alone device designed to protect your RV’s electrical system while running high‑capacity air conditioners. Weighing just 1.57 lb and measuring 9.75 × 5 × 3.5 in, it fits discreetly in any RV compartment. The unit operates at 120 V AC, delivering 2200 watts of power to start up to a 20,000 BTU AC unit without draining the battery. Key specifications include improved efficiency, 1.6 ton capacity, and a three‑wire simple installation.
Usage

Designed for RV owners, campers, and mobile homeowners, the SpartanStart excels in situations where a generator or inverter powers the air conditioner. Whether you’re parked at a campsite, traveling cross‑country, or using shore power, the device seamlessly switches between power sources, preventing generator stall and reducing compressor strain. Its anti‑stall and preload features ensure smooth startup even in extreme temperatures.
Why Choose Us
Spartan Power backs the SpartanStart with a three‑year warranty, reflecting confidence in durability and performance. The product is manufactured in Australia with U.S. support, guaranteeing high‑quality components and responsive customer service. No batteries are required, and the anti‑stall technology pre‑empts generator duress, offering peace of mind for long trips.
Key Features
- Reduces battery drain when running a 20,000 BTU RV AC unit
- Anti‑stall and preload technology for smooth generator operation
- Simple three‑wire installation with clear wiring diagram
- Compatible with 2200 W inverter, generator, or campsite power
- Three‑year warranty and hassle‑free support
FAQ
Can I install the SpartanStart myself?
Yes, the device uses a simple three‑wire connection (Run, Common, Start). The included wiring diagram and mounting tape make DIY installation straightforward.
Will this work with any RV air conditioner?
The SpartanStart is rated for up to 20,000 BTU units and 2200 W power draw, covering most standard RV AC models.
Do I need a battery for this system?
No external batteries are required. The soft starter draws power directly from your inverter, generator, or shore power source.
What does the anti‑stall feature do?
It monitors generator load and temporarily reduces compressor startup torque, preventing the generator from stalling during AC start‑up.
Is there a warranty?
Spartan Power provides a three‑year warranty covering defects and performance issues.








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