
Rich Solar | MEGA 400 | 400 Watt Solar Panel | Premium Grid-tie or Off-grid Solar Panel | 25-Year Output Warranty | UL Certified
MEGA 400 – a powerful 400 Watt Solar Panel engineered for both premium grid-tie and off-grid applications. Built with high-efficiency Mono PERC technology and a robust 10-busbar solar cell configuration, the MEGA 400 delivers reliable performance even in low-light conditions. Whether you're upgrading your home system or outfitting a mobile setup, this panel is UL Certified and backed by a 25-year output warranty, ensuring long-term value and dependability.
Features
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High-Efficiency Design
10-busbar solar cell layout for improved current collection and minimized resistance. -
Mono PERC Technology
Delivers excellent efficiency and performance in a compact footprint. -
Durable Construction
Features a lightweight anodized aluminum frame and AR-coated tempered glass for maximum light absorption and durability. -
Plug-and-Play Compatibility
Integrated junction box and quick-connect cables allow fast setup in series or parallel configurations. -
Certified for Harsh Conditions
Built to endure extreme weather and environmental stress, making it ideal for demanding applications. -
Low-Light Performance
Efficient power generation during mornings, evenings, and cloudy days.
Installation
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Versatile Mounting Options
Pre-drilled for compatibility with ground mounts, Z brackets, pole mounts, and tilt mounts. -
Simple Setup
Designed for quick installation in both on-grid and off-grid solar systems.
Warranty
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25-Year Limited Power Output Warranty
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10-Year Workmanship Warranty












Specification

Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions

Get your 30% Tax Solar Credit!
Unlock substantial savings with the government's Solar Tax Credit, which offers a robust 30% deduction on the installation costs of solar systems. This attractive incentive is your ticket to leveraging solar energy's eco-friendly potential while enjoying the financial benefits.
At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
Contact us now to learn more!