... , over discharge, short-circuit to keep the charging process safely.4.Batteryindicator button, whatever it's on or off, learn how ... preset profile.2.The patented software, it could make wired broadband connection automatically , avoiding choosing WAN or LAN access by hand ... battery over power adaptor, Car charge or PC via USB cable. Mobile 3G Wireless Router support: 3G/ADSL/DHCP/PPOP wifi