This is the Hitec X4 Plus AC/DC Powered Multi Charger, Discharger and Balancer. FEATURES: Charges 1-6 cell LiPo, LiFe and Li-ION, 1-15 cell NiCd and NiMH and 2-20V lead acid batteries Fast Charge, Balance Charge and Storage Charge modes for lithium batteries Automatically controls current rate during charging and discharging process Four independent 50-watt power outputs charges up to four batteries at once Four independent balancing ports for lithium batteries Five user customizable presets per output Twin fan cooling system with internal sensor for controlling fan speed Batteries can be set to automatically Charge/Discharge or Discharge/ Charge up to a maximum of 5 cycles Automatic charge termination* if battery temperature gets too high *Temperature probe (HRCP4159) is required and must be purchased separately PC-based program can analyze the characteristics of each battery via a USB port*, graph of voltage, current and capacity curves with individual voltage of each cell in a lithium pack can be displayed on a PC- *PC-LINK USB adaptor is required and must be purchased separately, HRCP4168 INCLUDES: Hitec X4 Plus AC/DC Powered Multi Charger with AC and DC Input Cables Battery Clamps, Tamiya Charge Connector, RX Battery Charge Connector, TP/FP, HP/PQ, and XH type LiPo Balancer Boards two Bare Wire Connectors, Alligator Clip Charging Connector and Manual SPECS: Input Voltage: AC, 100-120V (330-380W) DC, 11-18V (minimum 20A) Charging Current: 0.1-6.0A (max 50W x 4, total 200W) Discharging Current: 0.1-1.0A (max 5W x4, total 20W) Dimensions: 8.8 x 6.7 x 2.6" (225 x 170 x 66mm) Weight: 3.5lbs (1.57kg) jxs 10/26/11 ir/jxs