DALY 1500W portable smart charger for 48V–84V Li-ion & LiFePO4 batteries (13S–24S, up to 15A). IP67 waterproof with isolated airflow design (dust/salt-mist resistant), ≥93% efficiency, Bluetooth DALY app + OTA, under-voltage recovery & reverse-polarity protection. For golf cart, RV, ATV & e-boat.