For 12V batteries. Charging current: 5 A or 2 A. Fully automatic charger for lead-acid batteries or LiFePO4 batteries with 7-step charging and pulse maintenance. Charging voltages:14,4, 14,7 or 14,2 V. Bluetooth connection for mode switching and control. Mode for reviving of deeply discharged or aging batteries. Automatic power supply mode. Crocodile clamps for connecting to battery, wire with eyelets for permanent connection.