بطارية فوسفات الليثيوم حديد ( lithium iron phosphate battery ؛ بطارية LiFePO 4) أو بطارية LFP (lithium ferrophosphate) هي نوع من lithium-ion battery using lithium iron phosphate (LiFePO 4) as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode.