The utility model discloses an on -vehicle two -way rectification direct current charger of non -, including charging the module, the module of charging includes that electrical unit, isolation transformer, filter module are joined in marriage in the interchange that connects gradually, reactor and power unit step up, power unit is provided with connected output unit of charging and energy storage battery pack outward respectively, the module of charging sets up usefully in the charge control module of module operation of control outward, control module connects the interchange respectively and joins in marriage electrical unit and power unit. Compared with the prior art, the utility model provides having risen the rate of utilization that fills electric pile, having realized having promoted the electric energy quality to electric wire netting peak clipping pinggu through energy storage repayment electric wire netting, energy -conserving benefit is obvious.