Highly compatible and widely used: The 10W solar panel trickle charge is designed for charging and maintaining different kinds of 12V battery, such as flooded, gel, AGM, SLA, VRLA, lithium-ion battery, suitable for vehicles, RV, car, boat, truck, golf cart, automobiles, motorcycles, snowmobile etc. Plug and play, easy to use: Complete small solar panel kits, included extension cable and 2 pieces of DC connector, it also comes with suction cup for different installation needs. The solar trickle charger can maintain the battery lifetime and extends its usage life, keep the battery from drain dead. Complete waterproof materials: The ETFE material can be waterproof and dustproof, suitable for outdoor use. The built-in blocking diode can also prevent reverse discharge, no any harm to the battery, you can connect this solar trickle charger to the battery all the time. Lightweight and easy to carry or install: It can be use or install at home, garden, the vehicles in outdoor work, travel or camping training. Free maintenance: No electricity bills, as long as there is the sunlight, the solar charger will generate electricity to trickle charge and maintain the battery. Built-in intelligent control circuit board with reverse connection protection, also prevents backflow of current, and short circuit prevention. We offer 1-5 Days Free shipping 30-Days Free returns