- Start up your car battery when it's low without causing damage. - Compatible with both 12V and 24V vehicle batteries. - Must be used with EcoFlow RIVER and DELTA Series portable power stations. - Features 5 intelligent controls with automatic adjustments. - Extend your battery's life with routine charges. - Weighs the same as a cell phone charger (0.23 lb) and occupies minimal space. - Equipped with reverse connection prevention. - Clear battery insight with smart LED indicators.- Start up your car battery when it's low without causing damage. - Compatible with both 12V and 24V vehicle batteries. - Must be used with EcoFlow RIVER and DELTA Series portable power stations. - Features 5 intelligent controls with automatic adjustments. - Extend your battery's life with routine charges. - Weighs the same as a cell phone charger (0.23 lb) and occupies minimal space. - Equipped with reverse connection prevention. - Clear battery insight with smart LED indicators.