FOSSiBOT FAC580 DC-DC Battery Charger|580W
- Fast shipping from local warehouses (Tax included)
- 580W Battery Charger, 6× faster than traditional in-vehicle auxiliary power outlets.
- Compatible with FOSSiBOT models and most portable power stations equipped with MC4 connectors and supporting input voltages of 48V or higher.
- Expand your RV battery capacity – transform your outdoor and RV adventures with our 580W AC battery charger and portable power station.
- Suitable for a variety of vehicles, including SUVs, pickups, and RVs.
- Charging conversion efficiency up to 92%
- 6-step easy installation
- 2 years worry-free warranty
3-5 Business Days Shipping
2 Years Hassle Free Warranty
30 Days Money-back Guarantee















And 99% of Third-party Power Stations.










- * Input Voltage: 13.2~14V → 300W Max Output
- * Input Voltage: >14V → Auto boost to 580W (Fast)
- * Input Voltage: <13.2V → Auto Cust Off


- * 300W Max Output: (Vol.12V-12.75V)
- * 580W Max Output: (Vol.>12.75V)
- * Automatically cuts off(Vol.<12V,protects your car battery)



























PREVIEW
GENERAL
Charging mode
Faq
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Q1: What’s included in the package?
A: FAC580 main unit, 5m input cable, 0.5m output cable, 4 screws and 4 screw caps, screwdriver, and user manual.
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Q2:Will long-term use affect battery life?
A: Dual-mode voltage output adjustment (12.0V/12.5V) protects the battery. Proper use will not cause measurable life reduction.
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Q3: What advantages does the FAC580 offer over traditional cigarette lighter adapters?
A: Traditional 12V cigarette lighters max out at 100W output (200W for 24V systems), while the F580 delivers 580W output power, accelerating in-vehicle charging speeds by 6 times.
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Q4: What vehicle types is it compatible with?
A: Suitable for all gasoline vehicles equipped with 12V/24V starter batteries, including:• RVs/campers• Commercial vans• Trucks and construction vehicles
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Q5: Does it support hybrid/electric vehicles?
A: Compatible with hybrid models (requires generator + starter battery). Pure electric vehicles are unsupported due to differing power architectures.
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Q6: Must the installation location be fixed?
A: Installation location is flexible, but ensure adequate ventilation for the cooling fan.
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Q7: Can automotive novices install it?
A: Simple installation.Detailed instructional videos provided. Step-by-step demonstration for the most challenging step (routing wiring from engine compartment to trunk).
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Q8: Must original wiring be used?
A: Standard 6AWG 5M wiring included. Original wiring recommended. If using custom wiring, ensure its reliability.