The SLD Tech ST-20R-12 is a 20-watt, 32-cell monocrystalline solar panel delivering 20% module efficiency for dependable 12V DC power in off-grid and small-scale renewable energy applications.

Key Features:

• High-Efficiency Monocrystalline Cells: Advanced cell technology and manufacturing capabilities achieve a 20% module efficiency rating with a 5% positive power tolerance.
• High PID Resistance: Qualified materials and advanced cell engineering deliver strong resistance to Potential Induced Degradation for sustained long-term output stability.
• Heavy-Duty Weather-Resistant Construction: Anodized aluminum frame withstands 5,400 Pa positive load and 2,400 Pa negative load, with salt mist resistance per IEC 61701.
• High-Transparency Tempered Glass: Low-iron tempered glass maximizes light transmission while providing outstanding protection against hail, wind pressure, and heavy snow.
• 25-Year Linear Power Warranty: Backed by a 25-year power output warranty and 2-year product workmanship warranty for dependable long-term investment protection.

The ST-20R-12 is designed for nominal 12V DC output, making it a versatile solution for battery charging, small off-grid systems, and remote power applications. Its outstanding low-light performance ensures reliable energy generation even under reduced irradiance conditions.

Built with 32 monocrystalline silicon cells in a 4x8 configuration, this panel delivers proven efficiency and structural durability across a wide range of outdoor environments. The lightweight 4.00 lb design and compact form factor make mounting and installation straightforward for both fixed and portable applications.

The ST-20R-12 maintains at least 80.68% of rated power output at year 25 under its solar linear warranty, providing predictable, long-term energy performance. With an operating temperature range of -40°C to 85°C and a maximum system voltage of 1000V DC, it is built to perform across virtually all climates and system configurations.

Technical Specifications