This link on RCGroups has more information on these chargers than you could ever digest. You can also post on it to get a response from Icharger.

Please note - boards not supplied
Input voltage range: 4.50 � 38.0VDC
Charge current range: 0.05 � 30.0A
Discharge current range: 0.05 � 30.0A
Maximum charge power capacity: 1000W @ input voltage 23V (500W @ input voltage 12V)
Maximum discharge power capacity: 80W
Maximum regenerative discharge power capacity: 1000W
Maximum extern discharge power capacity: 1200W @ 40V/30A
Current drain for balancing: <500mA
Balance accuracy: <10mV
Lithium (LiPo/LiIo/LiFe) battery cell count: 1 � 6 series (In non-balance mode, expand LiFe to 12s)
NiCd/NiMH battery cell count: 1 � 25 series
Pb battery cell count: 1 � 18 series (2 � 36V)
Log Files storage: 16Mbit (31 hours)
Battery setup memories: 10
Intelligent temperature control: Yes
PC Connect: USB port
Weight: 750g
Dimensions (L X W X D): 143X123X46mm 5.63�X4.84�X1.81�