For 3 pcs.24V batteries. Charging current: 16 A or 8 A. For indoor use. Fully automatic charger for lead-acid batteries or LiFePO4 batteries with 6-step charging and pulse 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 on terminals for wires up to 13mm2.