Feature:1. Efficient Charging: Built in MPPT charging controller chip, which is helpful to adjust the whole charging, and adopts 3 stage charging algorithm, efficient and practical.2. Good Protection: With battery overcharge, overvoltage, discharge, short circuit, reverse connection protection, IP67 waterproof and fireproof, ensuring stable charging.3. Automatic Charging: LED indicator to monitor the working state, automatically stop charging when the battery is fully charged, and automatically recover when the battery is exhausted.4. Excellent Material: The ETFE laminated shell is durable enough, and a layer of epoxy resin plate is added as the base plate, which extends the service life of the solar panel.5. Applicable Battery: Suitable for 12V DC battery, including wet gel battery, deep cycle, maintenance free, AGM battery, etc., used for automobile, boat, RV, lawn mowers, etc.Specification:Item Type: Solar Battery ChargerMaterial: Monocrystalline silicon, ETFEWaterproof Grade: IP67.Package List:1 x Solar Panel1 x Battery Connection Cable1 x Car Charging Cable4 x Suction Cups1 x User ManualNote:1. There is a slight error in the size.2. Without power storage function.