For 24V batteries. Charging current: 5 A or 2 A. For use in harsh conditions. Fully automatic charger for lead-acid batteries or LiFePO4 batteries with adaptive 6-step charging and maintenance. Charging voltages:28,8, 29,4 or 28,4 V. Bluetooth connection for mode switching and control. Mode for reviving of deeply discharged or aging batteries. Automatic power supply mode. Output wires 1,5 m long.