Features 1Efficient Charging: Built in MPPT charging controller chip which is helpful to adjust the whole charging and adopts 3 stage charging algorithm efficient and practical. 2Good Protection: With battery overcharge overvoltage discharge short circuit reverse connection protection IP67 waterproof and fireproof ensuring stable charging. 3Automatic 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. 4Excellent 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. 5Applicable 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 Manual Note 1. There is a slight error in the size.2. Without power storage function. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.