■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 Panel60W high efficiency solar panelDimension420*420mmTolerance+/-5%SLA Battery Voltage18VType of Solar CellMonocrystallineOpen Circuit Voltage(Voc)18VMaximum Ystem Voltage18VTemperate Coefficient of Isc(010+/- 0.01 ) %/CTemperate Coefficient of Voc- (0.38 +/-0.01 ) %/CTemperate Coefficient of Power Voc-0.47%/CTemperature Range-40 ℃to +80 ℃Conversion Rate19.6%-20% ■Operating Instructions1.Please position the 18V 60W solar panel toward the sunshine firslty,red light of theciga-rette lighter will indicate the current output2.Put it on the workbench in front of the car dashboard,the sunlight absorbingability of this way is not strong.But if you set the two elastics at the back of theproduct on the sun visor of the car,the sunlight absorbing ability will be better.And itis the best to fix the sucker in the windshield or other placed which will absorb thesunlight easily. ■Warm Tips1.Please make sure the positive and negative terminals of this product areconnected 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 professionaltechnician.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.Pleasechoose other higher current products if you want a faster charging speed. ■Note1.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. ■Accessories1x Solar Panel1x Crocodile charging clip2x Suckers1x 40A Controller