USB Port Update : numerous reports were received regarding the USB temperature port being non-functional. After investigation the USB port appears to be disconnected from the main circuit. . DX is now getting the supplier involved to offer remedies of several choices for all customers. These remedies will be posted here before September 28 2008. . Product description: - This Item is a rapid charger with a high performance microprocessor and specialized operating software - Muti-Function charger balancer and discharger - High-Power and high performance circuit - Monitoring the voltage of individual cell - Operating voltage range :DC11.0~18.0 Volt - AC to DC adaptor (DC11.0~18.0V/5A) - Circuit power: Max. charge power 50W / Max. discharge power 5W - Charge current range:0.1~5.0A - Discharge current range:0.1~1.0A - Current drain for balancing Li-po:300mAh/cell - NiCd/ NiMH battery cell count:1~15cell - Ii-ion/ Polymer cell count:1~6 series - Note that the USB temperature port may not be functional - Dimensions:135 x 85.5 x 30mm - Weight:270g (Net Weight) -------------------------------------------------------------------------------