A conditional min-max battery cost routing algorithm was also proposed in [12]. This algorithm, which is a hybrid of the
min-sum and the min-max battery cost routing algorithms, chooses the route with minimal total transmission power if there
exists at least one feasible routing solution where all nodes in that route have remaining battery capacities higher than some
pre-specified threshold value. However, if there is no such routing solution, then the min-max routing algorithm is
employed to select a route.