ECO-WORTHY 12 Volts 5 Watts Portable Power Solar Panel Battery Charger Backup for Car Boat Batteries Perfect trickle charger/maintainer for 12V batteries of cars, motorcycles, boats, snowmobiles, tractors etc. Please note that the protective plastic film on the panel surface is supposed to peel off. The cigarette plug option only works if it has constant power when the key is out of the ignition. When you start the car, please remove the solar panel from the car battery. Environmental protection and energy saving, built-in blocking diode to prevent reverse discharge, not only maintains the battery lifetime but also extends its usage life. Charging 12V rechargeable batteries in emergency, suitable for vehicles in outdoor work or travel or camping training. Easy to install and completely maintenance-free. Comes with the cigarette lighter adapter and 1 pair of battery clips. Uique design-high quality clips to prevent short circuit. 1*12V 5W Solar trickle Charger with 59inch (1.5meter) cord 1*Alligator clip adapter with 19inch(0.5meter) cord 1*cigarette lighter adapter with 19inch(0.5meter) cord 4pcs PVC suckers. Perfect trickle charger/maintainer for 12V batteries of cars, motorcycles, boats, snowmobiles, tractors etc. Environmental protection and energy saving. 100% brand new and 100%responsible for missing or damage. Easy to be carriedand completely maintenance-free. Comes with 1 cigarette lighter adapter &amp;1 pair of batteryclips &amp; 4pcs PVC suckers. Built-in blocking diode to prevent reverse discharge. Unique designofclips to prevent short circuit. Charging 12V rechargeable batteries in emergency, suitable for vehicles in outdoor work or travel or camping training.