Rich Solar 400 Watt Solar Kit | Solar Panel & Charge Controller Kit for RVs, Vans & Off-Grid Applications | Expandable Solar Charging - RS-K4004
Our Basic 400 Watt Solar Kit includes a high-efficiency 200W Monocrystalline panel with 18 busbars and a 30A MPPT controller. One of the best 200W solar panel kits in the market, this can be paired with our 100AH 12V Lithium battery. For a quieter, more peaceful outdoor experience, go solar now and start powering your travel trailer solar system!
Includes
- 2 x 200 Watt Monocrystalline Solar Panel(RS-M200)
- 1 x Bravo 30A MPPT Charge Controller (RS-MPPT30PB)
- 2 x Mounting Z Brackets (one set)(RS-ZB4C)
- 1 x Cable Entry Housing (RS-C2B)
- 1 x 15A Inline Fuse Holder with Fuse (RS-SC15F)
- 1 x 30' 10 AWG Solar Cable Set (Panel to Controller) (RS-30101)
- 1 x 10' 10 AWG Battery Cable Set (Controller to Battery) (RS-1010)
What our Experts Think
-
Complete Mid-Size Solar Kit Solution – The Rich Solar 400 Watt Solar Kit (RS-K4004) includes 2 × 200W monocrystalline panels + a 40A MPPT charge controller, designed for reliable off-grid power in RVs, vans, cabins, and small homes.
-
Expandable Energy Design – Built to scale up to ~600W on a 12V system, giving users flexibility to grow their solar setup over time without replacing core components.
-
Strong Real-World Charging Performance – Generates about 10.9A per panel string, optimized for consistent battery charging even in partial sun, cloudy conditions, and early/late daylight hours.
-
High-Efficiency Monocrystalline Panels – Uses anti-reflective coated tempered glass + durable aluminum frame, improving energy absorption and long-term weather resistance.
-
Smart MPPT Control System – Includes a 40A MPPT controller with up to ~99% tracking efficiency, improving charge speed and battery health versus basic PWM systems.
-
DIY-Friendly Installation Kit – Comes with pre-cut wiring, inline fuse protection, and mounting brackets, making setup straightforward for RV and off-grid users.
-
Ideal for Essential Loads, Not Full Home Power – Best suited for lights, fans, small appliances, and electronics, rather than heavy continuous household demand.
Q&A
Q: What is the Rich Solar 400 Watt Solar Kit (RS-K4004)?
A: A complete off-grid 400W solar system kit designed for RVs, vans, boats, and small off-grid setups, typically including two 200W monocrystalline panels and a 40A MPPT charge controller with full wiring and mounting hardware.
Q: What does the RS-K4004 kit include?
A: The kit includes 2 × 200W solar panels, a 40A MPPT charge controller (BRAVO series), solar and battery cables, inline fuse, and mounting Z-brackets, making it a plug-and-play system for mobile or off-grid use.
Q: What can the 400W kit power?
A: It is designed for 12V battery systems and can support essentials like lighting, fans, laptops, routers, small appliances, and RV electronics, primarily for charging and moderate daily use rather than heavy continuous loads.
Q: Is it expandable?
A: Yes. The included 40A MPPT controller supports expansion up to about 600W on a 12V system, allowing additional panels if energy needs grow.
Q: What type of systems is it best suited for?
A: It is ideal for RV solar systems, camper vans, boats, and small off-grid cabins, especially where reliable daily charging and battery maintenance are needed.
Q: What type of batteries does it work with?
A: It is compatible with 12V lithium (LiFePO₄), AGM, gel, and flooded lead-acid batteries, depending on charge controller settings.
Q: Why choose this 400W kit?
A: It offers a balanced mid-level solar setup with easy installation, strong expandability, and enough output for most RV and small off-grid energy needs without complex system design.
Maintenance Tips
- Clean solar panels regularly with water and a soft microfiber cloth to remove dust, dirt, and bird droppings for maximum efficiency.
- Avoid abrasive cleaners, chemicals, or pressure washing that can damage the anti-reflective coating.
- Keep MC4 connectors, wiring, and junction points dry, clean, and tightly secured to prevent voltage loss or intermittent charging.
- Inspect panel frames, mounting brackets, and hardware periodically for corrosion, looseness, or vibration damage (especially in RV or mobile setups).
- Ensure panels remain free from shading, as even partial shade can significantly reduce system output.
- Verify correct charge controller settings for your battery type (LiFePO₄, AGM, Gel) to ensure safe and efficient charging.
- Check cable insulation and all connection points regularly for wear, heat marks, or environmental damage.
- Keep the charge controller in a cool, dry, and ventilated location away from direct sunlight.
- After storms, travel, or long trips, recheck mounting stability, panel alignment, and wiring integrity.
- Do not exceed the controller’s rated input capacity when expanding the system.
Damage 
Loss 
Theft 
