Features: 30W 18V ETFE monocrystalline flexible solar panel charger, efficient power solution. Lightweight and bendable design, easy to install on various curved surfaces, full of durability and waterproof. Efficient monocrystalline technology provides stable power output and is suitable for charging 12V batteries. Specially design for outdoor 12V applications such as car, campers, ship, automobiles, and other motor rechargeable batteries. Convenient, safe, and easy to maintain your car battery anywhere. Specifications: Material: Single crystal silicon Size: approx. 455x338mm/17.91x13.31inch Conversion rate: 21.5% Power: 30W Working voltages: 18V Opened circuit voltages: 21.6V power current (impp): 1.5A Process: ETFE Output port: Multi-Contact 4mm Product usage: Multi-Contact 4mm output connectors, suitable for use in yachts, 12V car batteries, balconies, and rooftops Package Includes: 1 Piece Portable Solar Panel note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.