Rechargeable　Zn–air　batteries　(ZABs)　are　considered　highly　competitive　technologies　for　meeting　the　energy　demands　of　the　next　generation,　whether　for　energy　storage　or　portable　power.　However,　their　practical　application　is　hindered　by　critical　challenges　such　as　low　voltage,　CO2　poisoning　at　the　cathode,　low　power　density,　and　poor　charging　efficiency　Herein,　a　rechargeable　hybrid　alkali/acid　Zn–air　battery　(h-RZAB)　that　effectively　separates　the　discharge　process　in　an　acidic　environment　from　the　charging　process　in　an　alkaline　environment,　utilizing　oxygen　reduction　reaction　(ORR)　and　glycerol　oxidation　reaction　(GOR)　respectively　is　reported.　Compared　to　previously　reported　ZABs,　this　proof-of-concept　device　demonstrates　impressive　performance,　exhibiting　a　high　power　density　of　562.7 mW cm−2　and　a　high　operating　voltage　during　discharging.　Moreover,　the　battery　requires　a　significantly　reduced　charging　voltage　due　to　the　concurrent　utilization　of　biomass-derived　glycerol,　resulting　in　practical　and　cost-effective　advantages.　The　decoupled　system　offers　great　flexibility　for　intermittently　generated　renewable　power　sources　and　presents　cost　advantages　over　traditional　ZABs.　As　a　result,　this　technology　holds　significant　promise　in　opening　avenues　for　the　future　development　of　renewable　energy-compatible　electrochemical　devices.　©　2024　The　Authors.　Advanced　Science　published　by　Wiley-VCH　GmbH.