Feature: 1. High Efficiency: This 300W monocrystalline silicon solar panel can maximize the sunlight energy and provide reliable power support for RV and camping activities. 2. Portable Design: This 300W portable solar panel has a portable design with a size of 70x46cm, which is compact and lightweight, easy to carry and install, suitable for outdoor use. 3. Multifunctional: This solar panel kit is multifunctional and supports 18V battery clamps, which can directly charge the battery caravan to meet the power needs of different scenarios. 4. Sturdy And Durable: This 300W solar panel kit is made of excellent quality monocrystalline silicon and ABS material, with excellent weather resistance and durability, adaptable to a variety of harsh environments. 5. Safe And Reliable: This portable solar panel kit is safe and reliable, with overload conservation to avoid overcharging, over discharging and short circuiting, to preserve the battery and equipment safety. Specification: Item Type: Solar Panel Kit Material: Monocrystalline Silicon, ABS Solar Panel Power: 300W (Without Battery Storage Function) Solar Panel Size: Approx. 70 x 46cm / 27.56 x 18.11in Battery Clip Open Circuit Voltage: 18V Application: Outdoor Camping, Picnicking, RV Battery Usage Weight: Approx. 1750.00g / 61.73oz. Package List: 1 x Solar Panel1 x Controller1 x Battery Clip1 x Cigarette Lighter4 x Suction Cups1 x Manual