A standalone photovoltaic-battery system (SBPS) for remote areas must be reliable, cost-effective, safe, and designed to extend battery life. A typical configuration of SPBS is non-isolated and uses a dc–d. ••A new topology of an isolated standalone photovoltaic (PV)-battery s. Currently, about one billion people do not have access to electricity. These people live mainly in remote areas of developing countries where the COVID-19 crisis has reversed the pro. The isolated SBPS proposed is presented in Fig. 2 and consists of a PV source, a battery, and an AC load connected through three power converters. The system is formed by an IIB. 3.1. Battery modelSPBS are heavily dependent on the battery model, which is the most complex component to simulate. In this work, the VRLA battery mo. This section provides simulations and experimental results to support the proposal. First, the power of each device and the characteristics of the proposed isolated SPBS ar.