The 4 unit Multi-Dock allows up to four Workabout Pro S or Q units to be charged simultaneously while providing 10/100 BaseT Ethernet communications in excess of 2Mbps. This version of the 4 unit Multi-Dock is compatible with 7525S-G1, 7527S-G2 and 7527-3.It also provides sufficient power to fast charge the batteries in the unit. Charging internal batteries of the terminal takes approximately 2-4 hours depending on the battery type. This docking station can consume up to 3A @ 120V AC or 1.5A @ 240V AC. It is supplied with AC adapter. Please order power lead for country of use separately.