MEGA 250 ONYX | 250 Watt Solar Panel | Premier 12V Off-Grid Solar Panel for RVs, Vans, Boats | 25-Year Output Warranty | UL Certified

Features

• 12V off-grid solar panel.
• 16-busbar N-Type TOPCon cells with up to 25.1% efficiency.
• 64-cell configuration delivers a reliable 250W output.
• 3.2 mm AR-coated tempered glass maximizes sunlight capture and durability.
• Power tolerance 0 to +5W ensures at least the rated output.
• Excellent low-light performance on cloudy days and at dawn/dusk.
• PID-resistant and 100% EL-inspected to help prevent microcracks.
• Tested for UV exposure, thermal cycling, humidity freeze, and more.
• Rated for 5400 Pa snow loads and 2400 Pa wind loads.
• Certified to UL 61730, IEC 61215, and CSA C22.2 standards.
• Ideal for RVs, boats, cabins, sheds, and off-grid solar systems.

Installation

• Anodized aluminum frame – lightweight, strong, and corrosion-resistant
• 14 pre-drilled mounting holes for Z brackets, tilt mounts, pole, or ground installation
• MC4 connectors with 4 ft pre-attached cables for quick and easy installation
• Compatible with both on-grid and off-grid inverters

Warranty

• 25-year output warranty
• 10-year workmanship warranty

Built-in Components

• Panel Leads (Pair): 12 AWG, 4 ft each
• IP68-rated waterproof junction box 
• IP67-rated waterproof solar connectors

Specifications

• Maximum Power (Pmax): 250W
• Maximum Power Voltage (Vmp): 18.9V
• Maximum Power Current (Imp): 13.2A
• Open Circuit Voltage (Voc): 22.8V
• Short Circuit Current (Isc): 13.7A
• Maximum System Voltage (Vmax): 1500VDC
• Temperature Range: -40 ~ +185℉
• Weight: 26.9 lb
• Dimensions: 60.6 x 29.9 x 1.2 in
• Package Dimensions: 63 × 32 × 3 in