A solar charging management system is put forward to improve the energy efficiency of solar panels. The solar charging management system in this paper, MSP430F2274 microcontroller is used as microprocessors, dynamically adjusts the digital potentiometer (MAX5401), causing the chip voltage (Vmpptset) of the BQ24650 (ie solar maximum power voltage) dynamically changes. The dynamic adjustment process is the process of maximum power point tracking (MPPT). An improved perturbation observation is used as the MPPT Algorithm. Dynamic PowerPath Management based on the PWM technique is used to dynamically allocate the energy between the photovoltaic panel and the leadacid battery, which improves the energy efficiency of the system. A solar simulator is designed to carry out experiments. the results show that the MPPT efficiency is at around 98%, after adding the dynamic power path management technology the energy efficiency of solar panels increases by 16%. The times of the charge and the discharge of the leadacid battery is reduced.