Mobile Adhoc Networks (MANETs) permit mobile nodes to communicate devoid of any sustain of predetermined and federal network as it does not follow any preset network communications and all nodes are gratis to travel from one position to another. Power consumption or energy constraints play an important role in the flow of information between nodes. In the dynamic topology of MANETs, energy or battery is a huge difficulty to keep the mobile node running for a long time. Any node can move from one position to another in a consistent manner, making it difficult to predict the movement of any node in a particular order. Due to this dynamic change in topology the route establishment and its maintenance becomes complicated. Hence energy utilization of the node is one of the parameters that may change the performance of MANETs. Battery life in mobile devices is directly impacted by power use. Continuously communicating or computing-intensive security features can quickly drain the battery, leaving the device exposed after the battery is exhausted. The requirement for frequent network scans, authentication, and key exchange procedures might result in higher power consumption in mobility models involving frequent movement or handovers between access points. If this increased power usage causes the battery to run out too soon, it may affect the device’s overall security. In this paper, simulation result based on AODV routing protocol with 50 random mobile nodes under file and random waypoint mobility models concerning generic, mica-motes and micaZ energy models have been analyzed. Simulation outcomes imply that the energy consumption of file mobility model under generic, mica-motes and micaZ energy models is less than the random waypoint mobility models. Therefore from security view point we can consider file mobility model over random waypoint mobility model.