Rich Solar 400 | 400 Watt Solar Panel | Premium Grid-tie or Off-grid Solar Panel for Residential, Commercial, Agriculture - RS-M400-8
Features
- 10-busbar solar cell configuration
- Mono PERC Technology
- Lightweight anodized aluminum frame
- High-transmission, AR (anti-reflective) Coated Tempered Glass
- Plug-and-play junction box
- Industry-standard quick-connect cables work in series or parallel
- Certified to withstand challenging environmental conditions
- Excellent low-light performance on cloudy days, mornings, and evenings
Installation
- Easy installation and handling for various applications (high-end off-grid and mobile applications)
- Pre-drilled holes compatible with ground mounts, Z brackets, pole mounts, and tilt mounts
- Compatible with on-grid and off-grid inverters
Specifications
-
Panel Cable Length: ≈ 47 in
-
Material: Tempered Glass, Aluminum, Monocrystalline Silicon
-
Dimensions: 67.8 x 44.7 x 1.2 in
-
Weight: 45.2 lbs
-
Maximum Power (PMAX): 400W
-
Maximum Power Voltage (VMP): 31.0V
-
Maximum Power Current (IMP): 12.9A
-
Open Circuit Voltage (VOC): 37.1V
-
Short Circuit Current (ISC): 13.7A
-
Maximum System Voltage (VMAX): 1500VDC
-
Temperature Range: -40 ~ +185°F
-
Maximum Series Fuse Rating: 25A
What our Experts Think
-
High-Output 400W Solar Performance – Delivers 400 watts per panel (RS-M400-8), making it ideal for expanding residential, commercial, or agricultural solar systems with strong energy yield per panel.
-
Monocrystalline Mono PERC Efficiency – Uses advanced 10-busbar mono PERC cells for improved conversion efficiency and better performance in low-light conditions.
-
Durable All-Weather Construction – Built with tempered anti-reflective glass and anodized aluminum frame designed to withstand harsh environmental conditions.
-
Versatile Grid-Tie or Off-Grid Use – Compatible with both on-grid and off-grid inverter systems, making it flexible for home, farm, or industrial setups.
-
Stable Electrical Output Design – Produces around ~31V Vmp and 12.9A Imp, suitable for series/parallel system configurations in larger arrays.
-
Space-Efficient High Wattage Design – Optimized for maximizing power generation per panel, reducing overall installation footprint in large systems.
Q&A
Q: What is the Rich Solar 400W Solar Panel (RS-M400-8)?
A: A premium 400W monocrystalline solar panel designed for both grid-tie and off-grid systems, suitable for residential, commercial, agricultural, RV, and DIY solar installations.
Q: What are its key specifications?
A: It delivers 400W max power (Pmax) with approximately 31V Vmp and 12.9A Imp, built with mono PERC cells and a durable anodized aluminum frame with tempered anti-reflective glass.
Q: Is it suitable for off-grid and hybrid systems?
A: Yes. It is designed for flexible use in off-grid battery systems, hybrid inverters, and grid-tied solar arrays, making it ideal for home and commercial energy setups.
Q: How durable is it for outdoor use?
A: It uses a rugged aluminum frame and tempered glass construction, engineered to withstand harsh weather conditions, high temperatures, and long-term outdoor exposure.
Q: What makes it efficient?
A: It uses 10-busbar mono PERC solar cell technology, which improves energy capture and performs well in low-light conditions like cloudy mornings and evenings.
Q: What are common use cases?
A: It is commonly used for home solar arrays, RV systems, agricultural power setups, off-grid cabins, and commercial solar installations where high output and reliability are needed.
Q: Why choose this panel over smaller wattage panels?
A: It reduces wiring complexity and installation space while delivering higher output per panel, making it efficient for large-scale or space-limited solar projects.
Maintenance Tips
- Clean the tempered glass surface regularly with water and a soft sponge to remove dust, pollen, and bird droppings for maximum efficiency.
- Avoid abrasive cleaners, chemicals, or pressure washers that may damage the anti-reflective coating.
- Inspect the aluminum frame and mounting points periodically for corrosion, looseness, or weather-related wear.
- Ensure MC4 connectors are tightly secured, dry, and free from dirt or oxidation to maintain stable power output.
- Keep panels free from shading (trees, debris, or structures) as even partial shade can significantly reduce performance.
- Check wiring and junction box seals after storms to ensure no moisture ingress or insulation damage.
- Maintain proper panel tilt and orientation to maximize seasonal sunlight exposure.
- Verify grounding connections are intact for safe grid-tie or off-grid operation.
- Avoid walking on or applying pressure to the panel surface to prevent micro-cracks in cells.
Damage 
Loss 
Theft 
