The Delta-Q IC650 Charger uses an innovative sealed die cast aluminum enclosure to provide the ultimate in reliability. Featuring a patented USB host port, the IC650 can easily download months of charge tracking data to a USB flash drive, which can also be programmed to update the charger software and QuiQ™ charging profiles. The IC650 is sold in 24, 36 and 48 volts of direct current (VDC) models.