320W Balance Charger . Dimension: 235x205x45mm Weight: 1103g (Not include cable) Shipping 1800g Can Charge 4 batteries at the SAME time. (Maximum 24 batteries if adapt with Charging board) Need external DC Power supply 360W-400W (NOT included). Input DC 10-20V POWER For 1-6S LiPo/LiFe/LiIon or 1-15S NiCd/NiMH or Pb 2-20V Battery Balance Charging Charging Rate UP to MAX. 4*6A / 4*80W Discharge Rate 2A Built-in Temperature Protection / Overcharge Protection