Feature: 1. Safe to Use: Equipped with dual output voltage regulator protection, dedicated controller can protect the battery during use, safe and convenient to use. 2. Wide Application: Thin size and light weight design, makes the solar charger easy to carry, suitable for outdoor emergency and indoor camping use. 3. Powerful Tool: Has high efficiency, conversion rate, easy to use, charge and discharge parameters are adjustable to fit the needs of different models, also has memory function. 4. PWM Charging Management: Controller has a complete 3 stage PWM charging management, able to reduce the cost and power consumption of system, improving using experience. 5. Suitable Situation: Solar panels are also suitable for a variety of lights, such as emergency lights, advertising lights, household lights, small solar energy systems. Specification: Item Type: Solar Battery Charger Material: Monocrystalline Silicon Solar Panel Color: As Picture Shown Application: For Household, Car, Boat, Etc Product Size: Controller: Approx.13.5x7cm/5.3x2.8in Solar Panel: Approx.42x28cm/16.5x11.0in (Without Power Storage Function) Weight: Approx.790g/27.9oz Standby Current: <10mA USB Output: 5V/2A Maximum Operating Temperature: -35℃ - +60℃ USB Output: 5V Solar Panel Voltage: DC18V Solar Panel Power: 50W Maximum Current: 1600mA Controller Current: 10A (The Controller Is 12V/24V Automatic Adaptation) Controller: Float Charging Voltage 13.7V (Default Value, Adjustable Range 13-15V) Discharge Cut Off Voltage 10.7V (Default Value, Adjustable Range 9-11.5V) Discharge Recovery Voltage 12.6V (Default Value, Adjustable Range 11.5-13V) The marked voltage corresponds only to the 12V system. If a 24V system is used, the above parameters will be doubled. Package List: 1 x Solar Panel1 x Battery Clip Assembly1 x Car Charger1 x Controller4 x Suction Cup1 x Manual