About This

• 【N-Type Technology, Up to 25% Efficiency】The Callsun 400 watt solar panel (4pack 100w)features advanced N-type monocrystalline cells that deliver up to 25% conversion efficiency, offering higher power output and more stable performance than standard solar panels 100 watt, making it an excellent choice for solar energy systems.
• 【Enhanced Performance with 16 Busbars】Compared to traditional 9BB/10BB solar panels, the 16BB solar panel improves light absorption, reduces hot spots, and minimizes micro-cracks, delivering stable output and long-term reliability. The Callsun 400W solar panel unleashes the potential of solar energy, providing consistent and reliable power for any solar setup.
• 【Compact Size & Easy Installation】Each Callsun 100W solar panel measures 31.1 x 22.7 x 1.1 inches and weighs 11.4 lbs, 15% smaller than traditional panels. With pre-drilled holes for quick, easy mounting, this 12V monocrystalline solar panel is ideal for easy installation in applications like RVs, boats, cabins, off-grid systems, and backup power where space is limited.
• 【Superior High-Temperature Performance】With a low temperature coefficient of -0.3%/°C, this Callsun 400w solar panel minimizes power loss under extreme heat. It maintains stronger efficiency compared to P-Type panels, delivering higher energy production during summer, desert climates, and other high-temperature environments for stable, reliable output all year.
• 【Built to Last & Smart Investment】Built with 3.2mm low-iron tempered glass, corrosion-resistant aluminum alloy frames, and IP68 waterproof protection—with reinforced corner guards—this Callsun 400W panel withstands 2400 Pa wind and 5400 Pa snow loads. It handles rain, snow, and extreme heat with ease, delivering reliable power for up to 30 years, making it a strong long-term investment in sustainable energy.
• 【10-Year Support & 25-Year Performance Guarantee】We provide 10 years of tech support for materials and workmanship, plus a 25-year guarantee to maintain 84.5% power output. If you have any questions about your Callsun solar panels 400 watts, just contact us—we’re here to help.
• 【Kind Reminder】Please review the product specifications and your system requirements before purchase to ensure proper compatibility. This item is large and fragile—please inspect the package upon delivery before signing. If you notice any damage caused during shipping, please contact our customer support team right away—we’re here to help.

Overview

• Brand : Callsun
• Material : 3.2mm Tempered Glass, Aluminum Alloy Frame, Monocrystalline Silicon
• Product Dimensions : 31.1"L x 22.7"W x 1.1"H
• Item Weight : 46.8 Pounds
• Efficiency : 25%