Feature:1. High Performance: Adopted high efficiency polysilicon PET material, 30W power deisng, compact size,long service life, can generate more electricity in full sunlight.2. Voltage Controller: The 50A solar charger controller can prevent battery overcharge, overvoltage, discharge and short circuit, reverse connection, to fully protect battery.3. Premium Material: Made of premium polycrystalline silicon materials which has good light transmission, good sealing, and very strong ability to absorb strong light.4. Complete Kit: The kit consists of 30W solar panel, 50A 12V 24V solar charger voltage regulator controller, clips and cigarette lighter harness for battery charging.5. Application: The polysilicon solar panel kit with charge controller is perfect for 12V batteries, used to charge and maintain AGM, Flooded, GEL and Deep Cycle batteries.Specification:Item Type: RV Solar PanelMaterIal: ABS, Polysilicon PETPower: 30WSun Panel Size: Approx. 320x145x2mm/12.60x5.71x0.08inController Voltage: 12/24VCurrent: 50AApplication:Suitable for car, RVs, cabins, boats, marines, shed, cabin, gate opener, battery operated gates, dry camping, garden watering, back up power and remote power use..Package List:1 xSolar Panel1 x Controller1 x Cigarette Lighter Cable1 x Battery Clamp Wire1 x Connection Cable4 x Suction Cup1 x Instruction Manual