12V/24V Car Battery Charger Maintainer, Max 50A Fast Charging | 250A Cranking Engine Starter, Auto Battery Maintainer, Desulfator, Repair & Winter Modes for AGM Gel Deep Cycle Batteries 50A
5-IN-1 MULTIFUNCTION:Combines charger, jump starter, maintainer, battery repairer and desulfator in one device. It supports daily charging, long-term storage maintenance and aging battery recovery, replacing multiple single-purpose tools to cut your costs.
AUTO-VOLTAGE FAST:Automatically identifies 12V and 24V batteries with adjustable currents (12V:8A/15A/50A, 24V:7.5A/7.5A/25A). The max 50A output shortens full charging time remarkably while keeping low power consumption to save energy.
ENGINE START & LOW-TEMPERATURE WINTER MODES:250A engine start current wakes flat batteries and ignites vehicles within 3s. Winter mode boosts voltage by 0.2V for full charging in cold weather. It refuses to work with batteries below 1V to protect the machine and users.