Wireless rechargeable sensor network (WRSN) is an emerging technology that has risen intending to enhance network lifetime of the conventional wireless sensor networks (WSNs). WRSNs play a major role in achieving the durability of data collection, improving charging efficiency, enhancing network lifetime as well as better use of the network in worst conditions or low cost. In this paper, we have come up with a detailed overview of the developing wireless rechargeable networks where sensor nodes take advantage of wireless power transfer techniques and serve the network for a longer period. Moreover, this paper provides an overview and brief description of different papers related to WRSN from the last decade. Following a brief introduction, we briefly defined a few basic terms, and classified the charging schemes based on charging cycles, scheduling schemes, charging range, charging approaches, and …