Developing highly efficient and durable bifunctional electrocatalyst for oxygen reduction (ORR) and oxygen evolution reaction (OER) is quite important for developing rechargeable zinc-air batteries. Herein, one kind of manganese phosphate-based electrocatalyst (Mn-x(PO4)(y)/NPC) with high specific surface area (1106.9 m(2) g(-1)) is prepared via a facile and scalable avenue, which possesses remarkable catalytic performance for the both ORR and OER, indicated by a more positive half-wave potential of 0.87 V in 0.1 M KOH for the ORR as well as an overpotential of 0.37 V to achieve the current density of 10 mA cm(-2) in 1 M KOH for the OER. Furthermore, the Mn-x(PO4)(y)/NPC assembled rechargeable zinc-air battery shows an excellent charge-discharge cycling performance, revealed by the smaller sum of charge-discharge potentials, comparable to that of Pt/C+IrO2. This research adds a new kind of electrocatalyst into the family of non-noble metal-based bifunctional electrocatalyst for rechargeable zinc-air batteries.