Battery charger for Intelligent electric vehicle.The ABS intelligence battery charger has the following characteristic:1) Patched and balances in the charging and discharging process between battery each batteries to have the voltage high and low difference, causes it tends the regeneration is balanced.2) Reduces the charge water loss.3) Enhances the low temperature electric discharge performance.4) Eliminates the accumulator cell the sulphuric acid salt chemicals which appears after the long-term charging and discharging, to restore the battery capacity and extension battery service life.