60W 18V Dual USB Solar Panel Battery Charger Monocrystal Solar Power Panel with 40A Solar Controller for Car Moto Motorboat

Feature: The main function of this product is to charge the 18V battery of car,moto and motorboat or most of the 18V lead-acid and lithium batteries.The trickle charging will be helpful for extending the battery life though itscurrent is small. The charging method is not only energy saving,maintain battery life,but also can meet the needs of some small capacity car audios,which it's very suitable for outdoor work,travel or camping. Specifications: Solar Panel 60W high efficiency solar panel Dimension 420*420mm Tolerance +/-5% SLA Battery Voltage 18V Type of Solar Cell Monocrystalline Open Circuit Voltage(Voc) 18V Maximum Ystem Voltage 18V Temperate Coefficient of Isc (010+/- 0.01 ) %/C Temperate Coefficient of Voc - (0.38 +/-0.01 ) %/C Temperate Coefficient of Power Voc -0.47%/C Temperature Range -40 to +80 Conversion Rate 19.6%-20% Operating Instructions 1.Please position the 18V 60W solar panel toward the sunshine firslty,red light of the ciga-rette lighter will indicate the current output 2.Put it on the workbench in front of the car dashboard,the sunlight absorbing ability of this way is not strong.But if you set the two elastics at the back of the product on the sun visor of the car,the sunlight absorbing ability will be better.And it is the best to fix the sucker in the windshield or other placed which will absorb the sunlight easily. Warm Tips 1.Please make sure the positive and negative terminals of this product are connected with the charged product's positive and negative terminals before usage. 2.Please do not try to modify the PCB circuit unless you are a professional technician.And we are not responsible for such a result. 3.The best working time: 9:00-17:00 (mainly for sunlight weather). which is intended to extend the battery life and emergency charge usage.Please choose other higher current products if you want a faster charging speed. Note 1.Please don't scratch the surface of the solar panel with a sharp object. 2.Please make the solar panel exposed to direct sunlightto ensure the best charging speed while it is charging. 3.Please don't place the charger in the rainny day,or it will lead to a short circuit. 4.The 18V20W solar panel charger is built with an Anti-flow resistense preventerinsdie,it will not occur the backflow phenomenon. Accessories 1x Solar Panel 1x Crocodile charging clip 2x Suckers 1x 40A Controller