• Supports rapid charging of car batteries and solar powered up to 1,000 watts: In car vehicles, the ETAKER F1000 alternator charger connects directly to the car battery and charges the portable generator. In addition, the F1000 supports solar charging on the roof, and it can be used to charge 1 kW rapidly using both driving and solar power. Generates 1 kWh energy in one hour of driving. This DC-DC charger can be charged with most lithium batteries • 【Intelligent Charging Start & Stop】Efficient heat dissipation: Built-in 3-axis gyroscope and accelerometer detects the movement of the car, automatically activates the charging at the beginning of the drive, and stops when it is inactive. Adaptive power supply for low battery voltage protection 6063 aluminum alloy shell and fins and fan design ensure efficient heat dissipation and silent charging • 【Parameter】Automatic input 12-30V, 40A (300W/400W/500W), Solar input 12-48V, 20A (500W Max), Dimensions 14x10x2.7 inches. Supports total power up to 1000 watts for fast charging • 【ETAKER Car Travel Battery Set】Etaker F1000 travel charger combine with M2000 external power supply, provide efficient, portable and intelligent charging, compatible with 98% of the vehicles. Meet the needs of RV's, SUV's, UTV's, Boats, Trucks, and Camping enthusiasts. The DC-DC charger can be easily installed on a variety of vehicles/boats to effectively deal with space restriction issues • What you get: Etaker Fleet 1000 x 1 Smart Charger, 9.8 ft (3 m) Input Connection Cable x 1, Protective Case x 1, Short Circuit Protection Box x 1, 16.4 ft (5 m) Output Connection Cable x 1