Abstract: An effective optimization design method of integrated rechargeable battery system that can realize multiple RF sources hybrid energy collection is given,focusing on the booster circuit and intelligent management system. Compared ordinary diode with Schottky diode,the influence on the output voltage of booster circuit is analyzed through simulation and experiments. At the same time,the conversion efficiency and power output of the whole system were discussed. The simulation result showed that it was feasible and effective use of multiple RF energy harvesting.